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ASTM B249/B249M-23
Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
NORMA vydaná dňa 1.10.2023
Informácie o norme:
Označenie normy: ASTM B249/B249M-23
Dátum vydania normy: 1.10.2023
Kód tovaru: NS-1156485
Počet strán: 13
Približná hmotnosť: 39 g (0.09 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM B249/B249M-23 :
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)
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