Aluminum industry standards the aluminum association. Standard test method for analysis of aluminum and aluminum. Chemical composition limits for wrought aluminum and wrought aluminum alloys1 issued by the aluminum association of the usa. Aluminium alloy commercial alloy 2011 t3 rod and bar. The properties of aa6xxx wrought alloys like high strength toweight ratio. Chemical grain refining of highsiliconcontent aluminium alloys, such as 355 alloy, is impaired by the high silicon content. It also contains manganese and magnesium and can sometimes contain smaller amounts of. They are among the aluminum alloys most susceptible to scc. The aluminum specimen to be analyzed may be in the form of a chill cast disk, casting, foil, sheet, plate, extrusion, or some other wrought form or shape. Corrosion cracking of 2xxx and 7xxx aluminum alloy products 2. Note the chemical composition limits of aluminium and aluminium alloys specified herein are completely identical with those registered with the aluminium association, 1525, wilson boulevard, suite 600, arlington, va 22209, usa, for the corresponding alloys. Aluminum and aluminum alloys materials data repository home.
Numerical designations are assigned in accordance with the recommendationinternational designation system for wrought aluminum and wrought aluminum alloys, which is printed on pages 28. Numerical designations are assigned in accordance with the recommendation. The book first covers the traits of pure and commercial aluminum, which include the composition, physical and thermal properties, and radiation. There are two principal classifications, namely casting alloys and wrought alloys, both of which are further subdivided into the categories heattreatable and nonheattreatable. The aluminium associations chemical composition standards for wrought aluminium the eaa alumatter computerbased reference database containing technical information on the most widely used aluminium alloys, their mechanical, physical and chemical properties. Aluminum is a light metal, about the third of the density of steel, copper, and brass. In some circumstances aluminium alloy 2011 can replace free machining brass without the need for alterations. Download free png chemical composition of aluminum alloys. Aluminum is a good conductor of heat and electricity. Alloy and temper designation systems for aluminum and aluminum alloys 17 table 2 composition of wrought unalloyed aluminum and wrought aluminum alloys grade designation i hum asse iso no.
Aluminum alloys refer to astm specification b26b26m09. Numerical designation system this document specifies a european designation system of wrought aluminium and aluminium alloys, based on an international designation system, and the procedure to obtain such international designation. En 5732, aluminium and aluminium alloys chemical composition and form of wrought products part 2. Aluminium and aluminium alloys castings chemical composition and mechanical properties published in 2006. The chart below is from the japanese industrial standards and is based on the information contained in isofdis 3522. Chemical composition of castings for use in contact with foodstuff bs en 5735. This system is used in british and european standards for example bs en 575.
Originally called alloy 61s, it was developed in 1935. The surface of a wrought or cast alloy is likely to contain not only aluminium oxide alone, but may for example contain a fragment of a mixed almg oxide for alloys rich in mg harvey, hughes et al. Enac alsi12cu1fe enac47100 steelnumber aluminium equivalent, chemical composition, properties. 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. Table 1 chemical compositions of group a ingots and castings. This aluminum alloy subsection presents guideline tables for chemical composition. International designations and chemical composition limits. The plate and sheet shall be classified in tempers as specified in the detailed specification.
Alloy a380 has better than average machining characteristics. Aluminium alloys the 4digit numerical designation of wrought aluminium alloys has acquired universal usage since 1970. Alloy designation, processing, and use of aa6xxx series. Aluminium foundry alloys are used for aluminium castings. Development of aluminium alloys the chief alloying constituents added to aluminium are copper, magnesium, silicon, manganese, nickel and zinc. Chemical composition and form of products bs en 601. Chemical composition and properties of aluminum alloys united. The elements covered in the scope of this method are listed in the. Aluminum has high reflectivity and can be used for decorative applications. Structure and properties is a reference book that provides a concise description of the practical aspects of structures and properties of aluminum alloys.
Aluminum has good corrosion resistance to common atmospheric and marine. Aluminum retains its toughness at very low temperatures, without becoming brittle like carbon steels. 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. New designations for these alloys were standardised by the cen 5 in 1994. Aluminium alloys aluminium 1050 properties, fabrication. It has good mechanical properties, exhibits good weldability, and is very commonly extruded second in popularity only to 6063. Listed herein are designations and chemical composition limits for aluminum hardeners registered in accordance with the recommendation international designation system for aluminum hardeners, which is printed on page 11. Pdf aluminium has a density around one third that of steel or copper. International alloy designations and chemical composition limits. Aluminium 5083 also retains exceptional strength after welding. Reviews on the influences of alloying elements on the.
An aluminum alloy is a chemical composition where other elements are added to pure aluminum in order to enhance its properties, primarily to increase its strength. Eutectic zn 88 al 12 at% alloys are produced by a facile and scalable metallurgic procedure, viz. Gravitas production is based on secondary aluminium. Alloys heat treatable aluminium alloys mm 10 20 50 mm kg 10 500 1 000 20 2 000 50 1. Now, you may be wondering about the composition of the 2024 alloy. Aluminium alloys with a wide range of properties are used in engineering structures. The risk of failure to create dense samples from agehardenable aluminium copper alloys must be considered very high. These other elements include iron, silicon, copper, magnesium, manganese and zinc at levels that combined may make up as much as 15 percent of the alloy by weight. It supports maintaining the precise chemical specifications in the finished products. Influence of aluminium alloy anodizing and casting methods on structure and functional properties article pdf available in archives of metallurgy and materials 6. Alloy data 3 s e c t i o n3 section contents nadca no. Specific requirements for plate and sheet of a particular alloy are covered by the applicable detailed specification see 6. Each element affects the alloy both independently and interactively. According to standard en 5731 67, the first digit of the designation denotes the series of the alloy, as shown in table 10.
Preparation and characterization of eutectic znal alloys. Aluminum alloys industry is an important part of nonferrous cast metal industry. Aluminium alloys aluminium 5083 properties, fabrication. Lamellananostructured eutectic zincaluminum alloys as. Aluminium alloy 1050 is known for its excellent corrosion resistance, high ductility and highly reflective finish. Shabestari et al 5 investigate the effect of copper and solidification condition on the microstructure and mechanical properties of alsimg alloys. For more than 60 years, the aluminum association has worked with the industry to develop and maintain technical standards for aluminum production. This document specifies the chemical composition limits of wrought aluminium and wrought aluminium alloys and form of products.
Alloy designatidn and chemical composition shall be in accordance with section 2. Machining at high speeds produces fine chips that are easily removed. One solution is the use of ultrasonic melt treatment ust. Aluminium alloy 2011 is a high mechanical strength alloy that machines exceptionally well. Enacalsi8cu3 enac46200 aluminium alloy for casting chemical composition. The completely updated source of information on aluminium industry as a whole rather than its individual contributors. Aluminium alloys are alloys in which aluminium al is the predominant metal. Role of chemical composition in corrosion of aluminum alloys article pdf available in metals open access metallurgy journal 88. Alloy 218, with magnesium the major alloying element, exhibits among the best machinability. Catalogue of european standards in the aluminium and. Aluminium and aluminium alloy ingots and castings for general.
Din en 5733 aluminium and aluminium alloys chemical. They have significantly lower strengthtoweight ratios than aluminium copper alloys 1. Chemical symbol based designation system 3 chemical composition limits the chemical composition of aluminium and aluminium alloys is specified in percentage by mass in tables 1 to 8. Aluminum alloys encompass a combination of aluminum metal and other alloying elements. Often called a free machining alloy or fma it is well suited to use in automatic lathes.
The properties of heattreatable al alloys can be further enhanced by the inclusion of a reinforcing phase that increases the mechanical properties of the overall composite. If you design, manufacture or purchase aluminium and aluminium products you will be interested to know that bsi british standards publishes a wide range of standards. Aluminium and aluminium alloys chemical composition and form of wrought products part 3. When precipitation heat treated it conforms to lm9te and when fully heat treated to lm9tf. This alloy conforms to british standards 1490 lm9 and l. Aluminium and aluminium alloys chemical composition. Durability and corrosion of aluminium and its alloys. Alloy and temper designation systems for aluminum and. The chemical composition of each category of scrap will determine the sector of industry where it will ultimately be used. Astm e71616, standard practices for sampling and sample preparation of aluminum and aluminum alloys for determination of chemical composition by spark atomic emission spectrometry, astm international, west conshohocken, pa, 2016. Aluminum and aluminum alloys 355 table 2 strength ranges of various wrought aluminum alloys aluminum type of tensile association alloy strengthening strength range series composition method mpa ksi 1xxx al cold work 70175 1025 2xxx alcumg heat treat 170310 2545 12. Like other 2000 series alloys, 2024 is primarily alloyed with copper. This european standard specifies the chemical composition limits of wrought aluminium and wrought aluminium alloys and form of products.
Aluminium al is a metal of great importance because of its excellent corrosion resistance, high electrical and thermal conductivity, good reflectivity, and very good recycling characteristics. Table 5 designations and nominal compositions of common aluminum alloys used for casting. Chemical composition of copper alloys aufhauser corp. The aluminium associations chemical composition standards for wrought aluminium.
The chemical composition limits of aluminium and aluminium alloys specified herein are completely identical with those registered with the aluminum association, 1525, wilson boulevard, suite 600, arlington, va. The last two digits in the 1xxx group correspond with the two digits after the decimal which indicate the minimum aluminum content. Resistance to general corrosion of the copper free wrought 7xxx alloys is good, approaching that of the wrought 3xxx, 5xxx and 6xxx alloys. Pdf role of chemical composition in corrosion of aluminum. December 3, 2014 coppers c10100 c15999 are alloys registered with the u. Chemical composition limits are specified for aluminium and aluminium alloys. Castability of aluminium alloys article pdf available in transactions of the indian institute of metals 624.
Aluminium general tables chemical composition chemical. It is one of the most common alloys of aluminum for generalpurpose use. Draft document aluminium and aluminium alloys castings chemical composition and mechanical properties. The properties of castings are related to the composition of the castings alloy, but also. Archived from the original pdf on 6 september 2015. Processability of high strength aluminiumcopper alloys aw. Qqa250f aluminum and aluminum alloy plate and sheet.
Physical properties, characteristics and alloys 60 pages, 44 figures basic level prepared by ron cobden, alcan, banbury objectives. Alloy 390, with the highest silicon content and free. Some aluminum alloys can match or even exceed the strength of common construction steel. This page contains the composition of common alloys, the name, specific gravity, coefficient of thermal expansion and melting point. Designations and chemical composition limits for unalloyed. The most widely spread aluminium alloy in lbm is alsi10mg. Astm e716 16 standard practices for sampling and sample.
The typical alloying elements are copper, magnesium, manganese, silicon, tin and zinc. The siliconcontaining aluminium casting alloys can accommodate a greater variety of scraps as their impurity limits are broader than the wrought alloys. International alloy designations and chemical composition. Chemical composition of copper alloys wrought copper alloys revision date. Aluminium alloys in marine applications almet marine. Chemical composition limits per cent 12 introduction 1 c 19000 1100 0.
1071 1297 806 1235 1261 1527 474 200 1290 638 873 508 391 73 231 3 1308 1405 561 113 612 20 1068 970 598 1235 664 173 679 1330