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Many material or standard specifications include a number of different UNS numbers that may be used within that specification. For example: UNS S30400 (SAE 304, Cr/Ni 18/10, Euronorm 1.4301 stainless steel) could be used to make stainless steel bars ( ASTM A276 ) or stainless steel plates for pressure vessels ( ASTM A240 ) or pipes ( ASTM A312 ).
However, while both 1050 and 1060 are covered by the same ISO standard, they are covered by different ASTM standards. As a wrought alloy, it is typically formed by extrusion or rolling. It is commonly used in the electrical and chemical industries, on account of having high electrical conductivity, corrosion resistance, and workability.
The alloy number is simply a general classifier, whereas it is the specification itself that narrows down the steel to a very specific standard. The SAE steel grade system's correspondence to other alloy numbering systems, such as the ASTM-SAE unified numbering system (UNS), can be seen in cross-referencing tables (including the ones given below).
The group developed a standard for the steel used to fabricate rails. In 1961 the name "American Society for Testing and Materials" was adopted. In 2001, ASTM officially changed its name to "ASTM International" and added the tagline "Standards Worldwide". [citation needed] In 2014, the tagline changed to "Helping our World Work better."
Alternate names and designations include AlMg3, 3.3535, and A95754. The alloy and its various tempers are covered by the following standards: [2] ASTM B 209: Standard Specification for Aluminium and Aluminium-Alloy Sheet and Plate; EN 485-2: Aluminium and aluminium alloys. Sheet, strip and plate. Mechanical properties
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A specification often refers to a set of documented requirements to be satisfied by a material, design, product, or service. [1] A specification is often a type of technical standard. There are different types of technical or engineering specifications (specs), and the term is used differently in different technical contexts.
Alternate names and designations include Al99.5, 3.0255, and A91050. It is described in the following standards: [2] ASTM B 491: Standard Specification for Aluminium and Aluminium-Alloy Extruded Round Tubes for General-Purpose Applications; ISO 6361: Wrought Aluminium and Aluminium Alloy Sheets, Strips and Plates