Standard Specification for Seamless Copper Tube
NORMA vydána dne 1.4.2020
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Designation standards: ASTM B75/B75M-20
Publication date standards: 1.4.2020
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
This specification establishes the requirements for seamless round, rectangular, and square copper tube (UNS Nos. C10100, C10200, C10300, C10800, C12000, and C12200) suitable for general engineering applications. The material of manufacture shall be billets, cast bars, or tube. The tube shall be manufactured by hot- and cold-working processes, shall be cold drawn to the finished size and wall thickness, and shall be supplied in cold-drawn or annealed temper condition. The material shall conform to the chemical composition requirements prescribed for copper, phosphorus, and arsenic, as determined by chemical analysis, and to the mechanical property requirements including tensile strength, yield strength, Rockwell hardness, and straightening. Requirements for grain size, electrical mass resistivity, and dimensions are specified. The following test methods are detailed: grain size, electrical resistivity, tensile and yield strength, and hardness tests, expansion test for round table, microscopical examination, test for hydrogen embrittlement, and nondestructive tests such as electromagnetic (eddy-current), hydrostatic, and pneumatic pressure tests.
Keywords:
seamless copper tube, seamless tube, tube, C10100, C10200, C10300, C10800, C12000, C12200,, ICS Number Code 77.150.30 (Copper products)