Double Angle Aluminium Extrusion Popular

Aluminum is one of the most used metals in today’s society – Double Angle Aluminium Extrusion in Popular  it can be found across a number of industries, such as construction and commercial, and in a number of applications, such as beverage cans and appliances. When choosing a manufacturer of aluminium extrusion for supplying the metal that you use in your workplace, however, it is important that you carefully consider which one will be best for your needs.

Aluminium Window Frames Catalogue

The manufacturer will begin by removing the aluminium from deep within the earth’s crust (either as bauxite ore or feldspar). Often, the Bayer’s method, Wohler’s method or Hall Heroult method is chosen to remove the metal in its molten form. It is then hardened and moulded into whatever shape the manufacturer desires. When the aluminium is extracted from the earth in its solid form, Flat Aluminum Extrusions it will be passed through a number of mechanical processes that are designed to give the metal its desired shape. These processes include: rolling, drawing, forging, spinning, piercing and extrusion.

Aluminium Windows South Africa

Regardless of whether aluminium has been found in its molten or solid form, the manufacturer will then pass it through either a hot working or cold working process to prepare it for their customers. When using the hot working process (the most popular of the two), a billet will be heated to a temperature of over 79 degrees Celsius, which will allow the aluminium to be easily distorted and placed into its desired shape.

Alspec Aluminium Catalogue

The reason for the popularity of the hot working process over the cold working one can be fully realized when you compare aluminium extrusion to squeezing toothpaste out of its tube. It is much easier to extrude the metal when it is malleable, meaning that it must have been heated to a certain temperature.

Finally, the aluminium will pass through an extrusion and drawing process that runs almost parallel to each other. This is the final step in the whole extrusion process and is the step that gives the metal its entire shape. Deep drawing, for example, is used give the metal a cup, conical tapered, cylinder and seamless tube shape. For less curved shapes, Aluminum Extrusion Framing the drawing process is skipped.

Alspec Aluminium Catalogue

Once you are satisfied with the processes and methods utilized by a potential manufacturer of aluminium extrusions, you can begin submitting your orders with them. If, after your first delivery, you are still satisfied with the manufacturer based on the promptness of the order being filled and the quality of the aluminium that you receive, you can continue the relationship.

Double Angle Aluminium Extrusion in Popular?

Aluminium Sections Catalogue

The process of aluminum extrusion is simple and easy however it is very significant to know why extrusion is so important. In general metals like steel and aluminum is put to use in several industries, right from automobile, to telecommunication, transport, utensil manufacturing and at times even in the toy industry. Thus, both of these metals are in huge demand and find place is almost all the major manufacturing industries in the world.

Just after steel, aluminum is the other metal which is hugely popular all over the world. This can put in a manner stating that aluminum is the second most popular metal in the globe after steel. The former is widely available, has impressive properties, and is affordable, light weight, can withstand high temperatures and so on. And above all the aluminum extrusion involved in getting different shapes and forms for suppliers is cost-effective and simple. Both in US and Europe building industry and the telecom as well is highly dependent on aluminum extruded products. These products find a number of usages and are used in many applications.

So, what is aluminum extrusion? This is a process through which aluminum is given certain shapes and forms. It starts with the hot cylindrical billet of aluminum which is pushed through a shaped die. The billet is cut from DC cast log and placed in heated container (450°C - 500°C). When pushed through the die the metal flows through the steel die. The die is placed at the other end of the container. Now, once the log passes it produces a section, this can be cut into shapes either in long length or short. The section is cuts according to the customized demands of the clients since the log is meant to be used for any particular industry. In certain extrusion process rectangular shaped billets. In this process only wide section sized extrusions are produced. This again depends according the demands of the supplier.

Aluminum extrusion is done for several kinds of industry and these aluminum extruded products are very commonly used in building industry. In this industry you can use aluminum in prefabricated houses/building structures, window and door frame systems, curtain walling, roofing and exterior cladding, and shop fronts. Besides, they also find place in the telecommunication and transport industry. In transport industry aluminum extruded products are found in rail vehicles, marine applications, airframes and for vehicles on the road.

So, what makes aluminum so popular? It is the versatility and the flexibility of the material that turns in so popular. Since aluminum is high temperature resistance and is corrosion resistant as well it is used to make utensils and is also used on transport vehicles. Besides, it is strong even though it is light weight and thus it is used in airframes.

So, if you are out there still deciding on selecting aluminum extruded products or some other metal you can give your votes to this metal as it is affordable and durable as well. No more second thoughts to this go ahead with aluminum extrusion and the products.

Replacing Aluminum Frame Single Pane Windows

Aluminium Window Frames Catalogue

Metal fabrication equipment is used in important facets of the manufacturing industry. It serves the structural steel industry very well as it helps in other metal fabricating industries. Producers of this equipment have clients ranging from small and medium size enterprises to iron and fabricating shops and large construction companies.

The most common types of metal fabrication equipment include hydraulic press brakes, pinch rolls, plate shears, bending machines, tube benders and plate rolls. All these machines will help the entire workload easier. Look into the features of these types of equipment.

Hydraulic press brakes

Hydraulic press brakes are created to deliver the kind of ease and comfort an operator is looking for in the product. They are equipped with a ram system to provide maximum efficiency on operator control. Down stroking ram systems are favored over up stroking systems because they lessen operator fatigue. The system with a thick ram makes it easier to move in between extra heavy frames. Alongside with this component, a steel torsion is also utilized. At times, the hydraulic press brake contains limit switches and overload protection systems. Speeds of the press brakes are adjustable and controllable as well.

Hydraulic shears

This is yet another type of metal fabrication equipment used in order to make the job of individuals easier. Looking for those with foot pedals and emergency stops is highly favorable for the company. Programmable axes may help control blade gaps, stroke length, back gauge and shearing times. At times, the shears are also commendable for its capacity to transfer balls and load metal sheets. It also possesses a full protection guard system. Shears are used in order to provide smooth and quiet operation while cutting or manufacturing metal parts.

Plate bending machines

Plate bending machines vary according to specifications of the particular industry making use of this industrial product. There are goods that are best suited for small to medium production requirement for pipes, angles, flats and tubes. Ornamental and job shops will surely favor this type of bending machine. There are plate bending machines that are versatile enough with hydraulic forming features. This is commendable in industries were pipe, tube and aluminum extrusion bending is required.

There are other types of metal fabrication equipment sold by a lot of manufacturers. At times, this equipment may be available from second hand machine stores. What matters is that the machine will work for the particular manufacturing process it has to serve.

Aluminium Windows South Africa

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Fern Gully Have Aluminium Extrusion List

Double Angle Aluminium Extrusion Ratings

Aluminum is one of the most used metals in today’s society – Double Angle Aluminium Extrusion in Ratings  it can be found across a number of industries, such as construction and commercial, and in a number of applications, such as beverage cans and appliances. When choosing a manufacturer of aluminium extrusion for supplying the metal that you use in your workplace, however, it is important that you carefully consider which one will be best for your needs.

Alspec Aluminium Catalogue

The manufacturer will begin by removing the aluminium from deep within the earth’s crust (either as bauxite ore or feldspar). Often, the Bayer’s method, Wohler’s method or Hall Heroult method is chosen to remove the metal in its molten form. It is then hardened and moulded into whatever shape the manufacturer desires. When the aluminium is extracted from the earth in its solid form, Aluminum Extrusion Framing Components it will be passed through a number of mechanical processes that are designed to give the metal its desired shape. These processes include: rolling, drawing, forging, spinning, piercing and extrusion.

Aluminium Sections Catalogue

Regardless of whether aluminium has been found in its molten or solid form, the manufacturer will then pass it through either a hot working or cold working process to prepare it for their customers. When using the hot working process (the most popular of the two), a billet will be heated to a temperature of over 79 degrees Celsius, which will allow the aluminium to be easily distorted and placed into its desired shape.

Aluminium Windows Cape Town

The reason for the popularity of the hot working process over the cold working one can be fully realized when you compare aluminium extrusion to squeezing toothpaste out of its tube. It is much easier to extrude the metal when it is malleable, meaning that it must have been heated to a certain temperature.

Finally, the aluminium will pass through an extrusion and drawing process that runs almost parallel to each other. This is the final step in the whole extrusion process and is the step that gives the metal its entire shape. Deep drawing, for example, is used give the metal a cup, conical tapered, cylinder and seamless tube shape. For less curved shapes, Aluminium Window Frame Extrusions the drawing process is skipped.

Aluminium Windows

Once you are satisfied with the processes and methods utilized by a potential manufacturer of aluminium extrusions, you can begin submitting your orders with them. If, after your first delivery, you are still satisfied with the manufacturer based on the promptness of the order being filled and the quality of the aluminium that you receive, you can continue the relationship.

Double Angle Aluminium Extrusion in Ratings?

Aluminium Windows Cape Town

Glass doors are a great choice for both homes and businesses, and offer a great many advantages. In this article I'm going to look at specifically what those advantages are, as well as covering possible disadvantages which you should be aware of.

One of the most obvious and appealing benefits of doors made from glass is the fact that they allow light to pass through. For doors which open to the outside there is the benefit of being able to enjoy natural sunlight entering the room. Not only does this sunlight look and feel much more pleasant than artificial light, but it also helps to reduce the need for that artificial lighting, lowering costs as well as representing a greener alternative.

But even in cases where the door is not an exterior one, a glass door still allows light to pass from one room to the other, not only creating a visually more attractive space, but also a more practical one, since there are fewer shadows and darker areas, maximising the efficient use of the room.

One of the possible disadvantages of course with glass is that it does not usually permit privacy. Clearly this is why very few bathrooms have doors made from glass! But there is a way in which you can enjoy the benefits of a glass door being able to allow light to pass through it whilst also enjoying a certain amount of privacy. Frosted glass, or even coloured opaque glass can be used for both partitions and doors to create an attractive feature which also provides the privacy required.

Another benefit of glass as a material for use in doors and partitions is that it is incredibly durable and extremely easy to keep clean. Glass does not rust, or corrode, it is not susceptible to woodworm, and it doesn't collect dust. All that is necessary to keep the glass door or glass partition looking clean and attractive is to give it an occasional wipe with a cloth and some glass cleaner. This is ideal for both businesses and homes.

One of the disadvantages of glass doors is that they are more liable to crack or break if they receive a very sharp knock or heavy blow. However, such a blow would probably cause significant damage to any door, and as they're made of toughened glass, glass doors and partitions are more than tough enough to cope with everyday use, and should not shatter or break revealing sharp edges should a seriously hard knock cause any damage.

Modern digital printing now also enables glass doors to be patterned or to have designs added. This is less useful for homes, but for businesses and commercial properties it provides the opportunity to have company logos or other relevant information included on the glass.

With a choice of colours and many different types of frameless glass doors, including fixed, hinged, sliding and folding systems, there are many benefits worth considering, both for the home and for business environments.

Metal Fabrication Equipment - Examples of Machines Used in Various Industries

Aluminium Sections Catalogue

If you want durability, low maintenance and weather resistance, aluminum railings are just the right metal for you. Look out for the best manufacturers, wholesalers or distributors who can match up your expectations.

Aluminum railings have a long list of benefits to offer for your homes. For all custom applications aluminum is the best metal to be used. Impact resistance, color retention and weather ability in any environment are the best features of aluminum railings you can find. They can be a perfect complement for a decorative porch or deck.

The aluminum railings can achieve any kind of shape to match your home decorations. Aluminum will not rust especially when they are power coated offer long lasting finish with superior protection against the elements and do not splinter or crack. So you need not have to get it painted after every few years unlike steel.

Aluminum railings have minimal shrinkage and expansion characteristics and remain consistent throughout extreme heating and cooling temperatures. If you are considering for other options like wood then you will have to get it treated with pesticides or chemicals. They even splinter or fail completely at times causing injury. Aluminum railings on the other side eliminate all these and let you have a friendly environment eliminating all your health concerns.

There are many aluminum railings Surrey manufacturers in the market who can even create one of your own deck styles by mixing aluminum balusters with another material. For example, it can be combined with wooden or bamboo rails to create an exotic ambience. Amongst numerous other ones, underneath are some significant characteristics of aluminum deck and porch railings and its complements or benefits:

- Interior and exterior guardrails and handrails.

- Clear or encased functional glass, aluminum pickets, aluminum convention panels, or cable cord for infill section options:

  • ADA compliant catch rails
  • Steel embeds and hefty measure components & for strength
  • Tempered glass for security & influence resistance
  • Tough, powder-coated finishes for better climate opposition and hue retention.
  • Water corrosion: Special coatings for opposition to saline water.

Manufacture of Aluminum railings offers every combination of furniture and deck railings to distinguish your deck from others and have the ability to be included in almost all styles.

Aluminium Window Frames For Sale

https://ferngully.co.za/ratings-2/

Fern Gully Have Aluminium Extrusion List

Double Angle Aluminium Extrusion Gauteng

Aluminum is one of the most used metals in today’s society – Double Angle Aluminium Extrusion in Gauteng  it can be found across a number of industries, such as construction and commercial, and in a number of applications, such as beverage cans and appliances. When choosing a manufacturer of aluminium extrusion for supplying the metal that you use in your workplace, however, it is important that you carefully consider which one will be best for your needs.

Alspec Aluminium Catalogue

The manufacturer will begin by removing the aluminium from deep within the earth’s crust (either as bauxite ore or feldspar). Often, the Bayer’s method, Wohler’s method or Hall Heroult method is chosen to remove the metal in its molten form. It is then hardened and moulded into whatever shape the manufacturer desires. When the aluminium is extracted from the earth in its solid form, Storm Window Frame Extrusions it will be passed through a number of mechanical processes that are designed to give the metal its desired shape. These processes include: rolling, drawing, forging, spinning, piercing and extrusion.

Alspec Aluminium Catalogue

Regardless of whether aluminium has been found in its molten or solid form, the manufacturer will then pass it through either a hot working or cold working process to prepare it for their customers. When using the hot working process (the most popular of the two), a billet will be heated to a temperature of over 79 degrees Celsius, which will allow the aluminium to be easily distorted and placed into its desired shape.

Aluminium Windows South Africa

The reason for the popularity of the hot working process over the cold working one can be fully realized when you compare aluminium extrusion to squeezing toothpaste out of its tube. It is much easier to extrude the metal when it is malleable, meaning that it must have been heated to a certain temperature.

Finally, the aluminium will pass through an extrusion and drawing process that runs almost parallel to each other. This is the final step in the whole extrusion process and is the step that gives the metal its entire shape. Deep drawing, for example, is used give the metal a cup, conical tapered, cylinder and seamless tube shape. For less curved shapes, Flat Aluminum Extrusions the drawing process is skipped.

Aluminium Window Sections Catalogue

Once you are satisfied with the processes and methods utilized by a potential manufacturer of aluminium extrusions, you can begin submitting your orders with them. If, after your first delivery, you are still satisfied with the manufacturer based on the promptness of the order being filled and the quality of the aluminium that you receive, you can continue the relationship.

Double Angle Aluminium Extrusion in Gauteng?

Alspec Aluminium Catalogue

Greenhouse kit frames may be made of galvanized steel pipe, aluminum, plastic or wood. It is very important when considering purchasing a greenhouse to look at the type of frame it is constructed of. There are also many different grades of these materials used. With the steel pipe frame you not only have to consider the size of the tubing, but also the spacing of the tubing. Naturally, closer spacing of the bows will result in a stronger frame. This is also true of aluminum frames. The thickness of the aluminum, the spacing and the extra supports will all determine the strength. What type of wood is being used is very important also.

Typically the prices going from low to high will be as follows.

1. Plastic frames
2. Lightweight Aluminum Frames
3. Pipe Frames
4. Wood Frames
5. Heavy Duty Aluminum Frames

Some of these such as the wood frames will require maintenance to keep up. The rest of the frame types are typically maintenance free.

Many consumers simply look at size, shape and price and do not consider that at some point they will probably want to add some accessories such as circulating fans, ventilation systems, hanging heaters, misting or fogging systems, etc. to their greenhouse. With plastic frames it is virtually impossible to add any accessories without building a frame to mount the accessories to. Many times these frames simply are not heavy enough to support even a hanging basket. Usually with wood and pipe frames the strength is there, but you will still need to do some extra framing out to mount the accessories. There are also some lighter weight aluminum frame greenhouse kits which will require additional framing to mount your accessories. Most quality aluminum framed greenhouses will offer a channel where bolts will slide to the exact location you desire to put your accessories. Usually this type of frame will even make it possible to add a wire shelf above your benches for extra space.

These are all just general guidelines. It is best to investigate each greenhouse kit on an individual basis.

Aerospace Aluminium Alloys in Aircraft Skins

Aluminium Window Frames For Sale

Aluminium Extrusion process is undertaken by several companies today which offer extruded products to buyers. The extrusion process is generally utilized in production. It is used to create parts of homogeneous cross-sections and is done by squeezing the material all the way through an outlet under high-pressure. Aluminium extrusions are popular all over the world since the metal is easily available on the earth's crust. Besides, aluminium is widely used in several applications and it has numerous advantages as well.

Companies manufacturing extruded aluminium products offer extruded aluminium profiles, systems and finished products and semi-manufactured components. Enterprises manufacturing aluminium products are generally in search of products that can fulfill the needs of the customers. All through the manufacturing process, manufacturers must give close attention to quality, performance, economy and precision. Aluminium extrusion is generally simple, however, it might turn complex in case the demand of customers for extruded products differ. There is an assortment of aluminium extrusion profiles today in the market and people are keener to get the best product for any particular industry. If you are in the automobile industry and are in need of aluminium extruded products you must look for certain shapes that are just the apt for your industry. A company manufacturing aluminium extruded products manufacture according to the supply orders and are capable in offering all kinds of shapes. These extruded products are fabricated and customized and are unique according to needs.

There are several advantages to aluminium extrusion.

Aluminium is a widely available metal and through constant cross section several parts can be manufactured in the most reasonable way. The process of extrusion allows taking advantage of properties of aluminium and it expands. Thus, this manner indeed versatile as you can manufacture several shapes in just a simple process.

However, you need high-tech machinery for the process and you can produce shape indefinitely without spending a fortune in preparation costs. Hence, the process is totally economical. Roll-forming dies, in case you have heard about them they are costlier than extrusion die.

Aluminium extruded products have longer life than items made from steel or plastic. Besides, extrusion is meant to be the most environmentally friendly and economical solution. Aluminium as a metal even when not compared for its aluminium extrusion profiles and to weight properties. Even though it is light weight it has good strength. Aluminium is used for thermal and electrical conductivity. It is not only affordable it is also flexible in terms of shapes and size. It can adept to high temperatures and are thus preferred as utensils when used for heating water or boiling rice. It is corrosion resistant and can offer you good service over years. If you want you can easily recycle the metal. After steel all over the world aluminium is the most trusted and used metal. It can be fabricated to several shapes right from sheets, geometric shapes, to foils, tube, rod and wire.

So, if you are out there looking for aluminium extrusion profiles you can trust the process with closed eyes.

Aluminium Window Frames Catalogue

 


https://ferngully.co.za/ratings-2/

Fern Gully Have Aluminium Extrusion List

Double Angle Aluminium Extrusion Rating

Aluminum is one of the most used metals in today’s society – Double Angle Aluminium Extrusion in Rating  it can be found across a number of industries, such as construction and commercial, and in a number of applications, such as beverage cans and appliances. When choosing a manufacturer of aluminium extrusion for supplying the metal that you use in your workplace, however, it is important that you carefully consider which one will be best for your needs.

Aluminium Windows

The manufacturer will begin by removing the aluminium from deep within the earth’s crust (either as bauxite ore or feldspar). Often, the Bayer’s method, Wohler’s method or Hall Heroult method is chosen to remove the metal in its molten form. It is then hardened and moulded into whatever shape the manufacturer desires. When the aluminium is extracted from the earth in its solid form, Structural Aluminum Extrusion it will be passed through a number of mechanical processes that are designed to give the metal its desired shape. These processes include: rolling, drawing, forging, spinning, piercing and extrusion.

Aluminium Sections Catalogue

Regardless of whether aluminium has been found in its molten or solid form, the manufacturer will then pass it through either a hot working or cold working process to prepare it for their customers. When using the hot working process (the most popular of the two), a billet will be heated to a temperature of over 79 degrees Celsius, which will allow the aluminium to be easily distorted and placed into its desired shape.

Aluminium Windows Pretoria

The reason for the popularity of the hot working process over the cold working one can be fully realized when you compare aluminium extrusion to squeezing toothpaste out of its tube. It is much easier to extrude the metal when it is malleable, meaning that it must have been heated to a certain temperature.

Finally, the aluminium will pass through an extrusion and drawing process that runs almost parallel to each other. This is the final step in the whole extrusion process and is the step that gives the metal its entire shape. Deep drawing, for example, is used give the metal a cup, conical tapered, cylinder and seamless tube shape. For less curved shapes, Aluminum Extrusion Framing Components the drawing process is skipped.

Aluminium Windows Cape Town

Once you are satisfied with the processes and methods utilized by a potential manufacturer of aluminium extrusions, you can begin submitting your orders with them. If, after your first delivery, you are still satisfied with the manufacturer based on the promptness of the order being filled and the quality of the aluminium that you receive, you can continue the relationship.

Double Angle Aluminium Extrusion in Rating?

Aluminium Sections Catalogue

If you want durability, low maintenance and weather resistance, aluminum railings are just the right metal for you. Look out for the best manufacturers, wholesalers or distributors who can match up your expectations.

Aluminum railings have a long list of benefits to offer for your homes. For all custom applications aluminum is the best metal to be used. Impact resistance, color retention and weather ability in any environment are the best features of aluminum railings you can find. They can be a perfect complement for a decorative porch or deck.

The aluminum railings can achieve any kind of shape to match your home decorations. Aluminum will not rust especially when they are power coated offer long lasting finish with superior protection against the elements and do not splinter or crack. So you need not have to get it painted after every few years unlike steel.

Aluminum railings have minimal shrinkage and expansion characteristics and remain consistent throughout extreme heating and cooling temperatures. If you are considering for other options like wood then you will have to get it treated with pesticides or chemicals. They even splinter or fail completely at times causing injury. Aluminum railings on the other side eliminate all these and let you have a friendly environment eliminating all your health concerns.

There are many aluminum railings Surrey manufacturers in the market who can even create one of your own deck styles by mixing aluminum balusters with another material. For example, it can be combined with wooden or bamboo rails to create an exotic ambience. Amongst numerous other ones, underneath are some significant characteristics of aluminum deck and porch railings and its complements or benefits:

- Interior and exterior guardrails and handrails.

- Clear or encased functional glass, aluminum pickets, aluminum convention panels, or cable cord for infill section options:

  • ADA compliant catch rails
  • Steel embeds and hefty measure components & for strength
  • Tempered glass for security & influence resistance
  • Tough, powder-coated finishes for better climate opposition and hue retention.
  • Water corrosion: Special coatings for opposition to saline water.

Manufacture of Aluminum railings offers every combination of furniture and deck railings to distinguish your deck from others and have the ability to be included in almost all styles.

Why And Why Not Opt For An Aluminum Sliding Door

Aluminium Windows

High strength aluminium alloys.

The origin of aluminium alloys in aircraft construction started with the first practical all-metal aircraft in 1915 made by Junkers in Germany, of materials said to be `iron and steel'. Steel presented the advantages of a high modulus of elasticity, high proof stress and high tensile strength. Unfortunately these were accompanied by a high specific gravity, almost three times that of the aluminium alloys and about ten times that of plywood. Aircraft designers during the 1930s were therefore forced to use steel in its thinnest forms. To ensure stability against buckling of the thin plate, intricate shapes for spar sections were devised.

In 1909 Alfred Wilm, in Germany, accidentally discovered that an aluminium alloy containing 3.5 per cent copper, 0.5 per cent magnesium and silicon and iron, as unintended impurities, spontaneously hardened after quenching from about 480°C. The patent rights of this material were acquired by Durener Metallwerke who marketed the alloy under the name Duralumin. For half a century this alloy has been used in the wrought heat-treated, naturally aged condition. The improvements in these properties produced by artificial ageing at a raised temperature of, for example, 175°C, were not exploited in the aircraft industry until about 1934.

In addition to the development of duralumin (first used as a main structural material by Junkers in 1917) three other causes contributed to the replacement of steel by aluminium alloys. These were a better understanding of the process of heat treatment, the introduction of extrusions in a wide range of sections and the use of pure aluminium cladding to provide greater resistance to corrosion. By 1938, three groups of aluminium alloys dominated the field of aircraft construction and, in fact, they retain their importance to the present day. The groups are separated by virtue of their chemical composition, to which they owe their capacity for strengthening under heat treatment.

The first group is contained under the general name duralumin having a typical composition of: 4 per cent copper, 0.5 per cent magnesium, 0.5 per cent manganese, 0.3 per cent silicon, 0.2 per cent iron, with the remainder aluminium. The naturally aged version was covered by Air Ministry Specification DTD 18 issued in 1924, while artificially aged duralumin came under Specification DTD 111 in 1929. DTD 111 provided for slight reductions in 0.1 per cent proof stress and tensile strength.

The second group of aluminium alloys differs from duralumin chiefly by the introduction of 1 to 2 per cent of nickel, a high content of magnesium and possible variations in the amounts of copper, silicon and iron. `Y' alloy, the oldest member of the group, has a typical composition of. 4 per cent copper, 2 per cent nickel, 1.5 cent magnesium, the remainder being aluminium and was covered by Specification DTD 58A issued in 1927. Its most important property was its retention of strength at high temperatures, which meant that it was a particularly suitable material for aero engine pistons. Its use in airframe construction has been of a limited nature only. Research by Rolls-Royce and development by High Duty Alloys Ltd produced the `RR' series of alloys. Based on Y alloy, the RR alloys had some of the nickel replaced by iron and the copper reduced. One of the earliest of these alloys, RR56 had approximately half of the 2 per cent nickel replaced by iron, the copper content reduced from 4 to 2 per cent, and was used for forgings and extrusions in aero engines and airframes.

The third and latest group depends upon the inclusion of zinc and magnesium and their high strength. Covered by Specification DTD 363 issued in 1937, these alloys had a nominal composition: 2.5 per cent copper, 5 per cent zinc, 3 per cent magnesium and up to 1 per cent nickel. In modern versions of this alloy nickel has been eliminated and provision made for the addition of chromium and further amounts of manganese.

Aircraft structural aluminium.

Of the three basic structural materials, namely wood, steel and aluminium alloy, only wood is no longer of significance except in laminates for non-structural bulkheads, floorings and furnishings. Most modern aircraft still rely on modified forms of the high strength aerospace aluminium alloys which were introduced during the early part of the 20th century. Steels are used where high strength, high stiffness and wear resistance are required. Other materials, such as titanium and fibre-reinforced composites first used about 1950, are finding expanding uses in airframe construction.

Aluminium Windows South Africa

 


https://ferngully.co.za/ratings-2/

Fern Gully Have Aluminium Extrusion List