The typical alloying elements are copper, magnesium, manganese, silicon, tin and zinc. Aluminum readily forms alloys with a wide range of other elements, from lithium to lead. Applies to products which are stainhardened more than the desired final amount and then reduced in strength to the desired level by partial annealing, for alloys that agesoften at room temperature, the. Alloy designation, processing, and use of aa6xxx series aluminium alloys.
There are two principal classifications, namely casting alloys and wrought alloys, both of which are further subdivided into the categories heattreatable and nonheattreatable. Heat treating of nonferrous alloys asm international. Anodizing is a method for accelerating the format of a hard oxide film on the. Aluminum alloys for sheet products are identified by a fourdigit.
X the group for other series are represented by the third and fourth digits 1, 2. Understanding the aluminum alloy designation system esab. Sometimes called work hardening alloys, temper is denoted by letter h. En aw3103 the en aw3103 allow is used in construction where the corrosion resistance requirements are predominant with respect to. These are the socalled light alloys, in which aluminium is a main constituent, and which can be divided into. In the efforts to develop a unified european designation system for casting alloys and castings the standards en 1780 designation of alloys and en 1706 composition and. Thus the use of steel as a structure adds additional weight by 60%. These digits are followed by a letter digit that denotes the temper or heat treat condition. Aluminum association standard channels designation depth d in. Normative referencesrequired to achieve compliance to this standard no other standards are. Applies to products which are stainhardened more than the desired final amount and then reduced in strength to the desired level by partial annealing, for. Temper designations heat treatable aluminum alloys. Gbt 276752011 designation system for aluminium and. In homogeneous alloys, atoms of the different elements are distributed uniformly.
Designation systems for wrought aluminium, wrought. Alloying elements series designation pure aluminium aa1xx. Aluminium alloys are supplied in a very wide range of. Chemical composition and properties of aluminum alloys united. Gb276752011 designation system for aluminium and aluminium alloys composite sheets,strips and foils text of document is in chinese. According to different estimates, up to 2030% of all aluminum products manufactured.
Applicationsfor aluminumalloysand tempers there are at least two approaches to overviewing important applications of aluminum alloys. Legally binding document step out from the old to the newjawaharlal nehru invent a new india. Temper designations british standard this european standard establishes temper designation for all forms of wrought aluminium and aluminium alloys and to continuously cast aluminium alloy drawing stock and strip intended to be wrought. Alloy designation, processing, and use of aa6xxx series. The registration office for designations of aluminium and aluminium alloys and tempers is the aluminum association inc. An experimental alloy composition shall retain the prefix x for the duration of its inactive status and can only be reactivated with removal of the experimental alloy status and prefix x. Light metals and their alloys mtd 7 designator of legally binding document. Understanding wrought and cast aluminum alloys designations. In all other groups of aluminum alloys 2xxx through 8xxx the last two digits signify different alloys in the group. If you have any questions or good suggestions on our products and site, or if you want to know more information about our products, please write them and send to us, we will contact you within one business day. Designation suitability temper mechanical properties common end uses. Heat treatment of aluminium alloys heat treatment designation for casting alloys suffixes are given to alloy designations to indicate the heat treatment condition, for example lm25tf is a casting conforming to the bs 1490 chemical specification, supplied in the fully heattreated condition, being solution treated and artificially aged, table 2. Designations of cast aluminium alloys united states aluminium association system using fourdigit system.
Designation of unalloyed and alloyed aluminium ingots for remelting, master alloys and castings. Alloy containing aluminum and one or more other elements added to molten aluminum to alter the chemical composition. Examples include brass, bronze, and the coinage alloys. History, properties and alloys the history of the light metal industry, as that of many other industries in this century, is one of notable and ever accelerating expansion and development. Aluminum alloy castings download ebook pdf, epub, tuebl.
Numerical designation system to find similar documents by classification. Extrusion aluminium alloys finished product and job management coengineering and codesign file correspondence between the standard designation. Pure aluminum is soft and ductile, it is not suitable in most of the engineering environment. If the aluminum is 1xxx then the last two digits designate the amount of aluminum above 99%. Aluminium and its alloys college of engineering and. The term aluminum hardener is often used generically to include grain refiners, modifiers, performance hardeners, performance products, and master alloys.
Aluminium and aluminium alloys designation of alloyed aluminium ingots for remelting, master alloys and castings part 1. The temper designation system is an extension of the alloy numbering system and consists of a series of letters and numbers which follow the alloy designation number and are connected by a hyphen. Aluminium and aluminium alloys wrought products temper designations 1 scope this international standard establishes temper designations as required for identification for all product forms of wrought aluminium and aluminium alloys. Aluminum and aluminum alloys materials data repository home. This standard is also the basis for wrought aluminium and aluminium alloy and temper designation standards of iso and cen, which therefore permits cross reference between these designation standards.
Annotation examines characteristics of wrought and cast aluminum alloys, then presents basic aluminum alloy and temper designation systems, as developed by the aluminum association, and explains them with examples. International alloy designations and chemical composition limits. Contrary to the international systems of wrought aluminium alloy designation aa, iso, cen, the designation systems for casting alloys and castings differ significantly. Heterogeneous alloys, such as tinlead solder and the mercury amalgam sometimes used to fill teeth, consist of a mixture of. Aluminium alloys are supplied in a very wide range of tempers with two principal groups. Jimenez morales non heattreatable wrought aluminium alloys 1xxx al high purity 99,0 3xxx almn, almnmg 5xxx almg 8xxx alnife, alsnnicu, alli classification of aluminium alloys light alloys. Alloy and temper designation systems for aluminum and aluminum alloys r. Cayless, alcan rolled products company systems for designating alumi num and aluminum alloys that incorporate the product form wrought, casting, or foundry ingot, and its.
Alloy designation system for wrought sheet products. International designations and chemical composition limits. Table 3 alloy designation, processing, and use of aa6xxx. It is the objective of this book to address the potential usefulness of a broad summary of consis.
Alloys in which silicon is the principal alloying element. Casting aluminium alloys based on those to which silicon is added as the main alloying element are probably the most important for engineering applications. Aluminum and aluminum alloys the temper designation system used in the united states for aluminum and alumi num alloys is used for all product forms both wrought and cast, with the exception of ingot. In others, aluminium is present in such small quantity that. In the united states, the alloy designation system is derived from the aluminum association.
More than 500 alloy designationscomposi tions have been registered by the aluminum association inc. S ome of the registered alloys may be the subject of patent or patent applications, and. Properties given are typical and should only be used for comparisons of alloys. The castings and foundry ingots of al and its alloys are. These documents along with the alloy designation documents mentioned earlier in the article can be. Common extrusion aluminium alloys and their properties.
The aluminum association designation system is defined according to ansi h35. Structure and properties is a reference book that provides a concise description of the practical aspects of structures and properties of aluminum alloys. Wrought alloy and temper designation system the aluminum. International alloy designations and chemical composition. Aluminium is the worlds most abundant metal and is the third most common element, comprising 8% of the earths crust. Actual values will depend on selection specifi cation. Controlled unalloyed pure compositions, especially for rotor manufacture 2xx. Alloy and temper designation systems for aluminum and. Understanding the aluminum alloy designation system. The strengthtoweight ratio offered by aa6xxx alloys and their enhanced mechanical properties have become crucial criteria for their use in light weight military vehicles, rockets, missiles, aircrafts, and cars, used for both defence and civil purpose. Chemical composition and european standards en57333 file. Gb276752011designation system for aluminium and aluminium alloys composite sheets,strips and foils text of document is in chinese. The book first covers the traits of pure and commercial aluminum, which include the composition, physical and thermal properties, and radiation. Wrought and cast aluminum designations are treated in a similar fashion.
The most widely accepted alloy and temper designation system for aluminum and its alloys is maintained by the aluminum association and recognized by the american national standards institute ansi as the american national standard alloy and temper designation systems for aluminum ansi h35. For international aluminium alloy equivalents download attached pdf file. This is because of the high fluidity provided by alloys with near eutectic composition. Designation systems for wrought aluminium, wrought aluminium alloys, casting alloys and other metallurgical aspects the fourdigit designation system for the identification of wrought aluminium and wrought aluminium alloys this system is a fourdigit numerical system in which the first digit indicates the alloy group as follows. Prior to 1948, magnesium and its alloys were designated by trade names, of which dowmetal was the most common one. All bsi british standards available online in electronic and print formats. R table 4 xo aluminum association standard channels. Aluminium and aluminium alloys wrought products temper. Nonheat treatable alloys alloys whose strengthmechanical properties are achieved by cold working rolling, extruding, etc. This series of aluminum is the original heat treatable alloy group developed in. The most commonlyencountered system for identifying aluminum alloys is that of the aluminum association. Alloys in which copper is the principal alloying element. Currently there are over 400 wrought aluminum and wrought aluminum alloys and over 200 aluminum alloys in the form of castings and ingots registered with the aluminum association.
The other alloying elements such as copper and magnesium are specified. Casting aluminum alloys are quite widespread and find more and more applications in modern industry. Aluminum products with specific properties and product forms are identified by specifying both an alloy and a temper. Common extrusion aluminium alloys and their properties useful information standard gauge swg to metric conversion table. However, special mechanical strength can be achieved by the adding other elements to further strengthen it. Alloy designation systems for aluminum and aluminum alloys. Din en 17801 aluminium and aluminium alloys designation of alloyed aluminium ingots for remelting, master alloys and castings part 1. Temper designations british standard this european standard establishes temper designation for all forms of wrought aluminium and aluminium alloys and to continuously cast aluminium alloy. The most commonlyencountered system for identifying aluminum alloys. Cayless, alcan rolled products company systems for designating alumi num and aluminum alloys that incorporate the product form wrought, casting, or foundry ingot, and its respective temper with the exception of foundry ingots. For wrought products sheet, plate, forgings, extrusions a 4 digit system is used. There are few people today who are not familiar with at least some modern. Aluminium alloy is a relatively more expensive material than steel although its weight is onethird of the steel.
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