Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
STANDARD published on 1.10.2023
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Designation standards: ASTM B249/B249M-23
Publication date standards: 1.10.2023
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification establishes the general requirements common to wrought copper and copper alloy rods, bars, shapes, and forgings. Products shall be manufactured by hot working, cold working, or both, and finished by cold working, annealing, or heat treatment and straightening as identified necessary to meet the properties specified. Materials shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional (mass, diameter, length, straightness, and edge contours), mechanical (tensile strength, Rockwell hardness, elongation, and hydrogen embrittlement), electrical resistivity, chemical composition, and grain size requirements. The products shall also meet performance requirements when subjected to residual stress, mercurous nitrate, ammonia vapor, and semiguided bend tests. In the event of conflict between this specification and the individual casting product specifications, the requirements of the casting specification shall take precedence.
Keywords:
bar, general requirements, bar, rod, shapes, general requirements, rod, general requirements, shape, general requirements,, ICS Number Code 77.150.30 (Copper products)