ASTM-B251M Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube [Metric] (Withdrawn 2017)

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This specification covers a group of general requirements for wrought seamless copper and copper alloy tube. The material shall be produced by either hot or cold working operations, or both, and shall be finished, unless otherwise specified, by such cold working and annealing or heat treatment as necessary to meet the properties specified. Dimensional requirements such as wall thickness are specified. The sampling requirements including lot size, portion size, and selection of sample pieces are given. Requirements for chemical analysis, and tension, microscopical examination, Rockwell hardness, grain size, expansion (pin), mercurous nitrate, and electrical resistivity tests are detailed. The material shall conform to the prescribed chemical composition, hardness, electrical resistivity, tensile strength, yield strength, elongation, and grain size.


1.1 This specification covers a group of general requirements common to several wrought product specifications. Unless otherwise specified in the purchase order, or in an individual specification, these general requirements shall apply to copper and copper-alloy tube supplied under Specifications B68, B75, B135, and B466/B466M.

Note 1—This specification is the SI companion to B251.


Wrought Cu/Cu-alloy materials/applications; General delivery requirements--Cu/Cu-alloy; Seamless Cu/Cu alloy tube--specifications; ICS Number Code 23.040.15 (Non-ferrous metal pipes); 77.120.30 (Copper and copper alloys)

To find similar documents by ASTM Volume:

02.01 (Copper and Copper Alloys)

To find similar documents by classification:

23.040.15 (Non-ferrous metal pipes Non-ferrous metal pipes and tubes for specific use, see 77.150)

77.120.30 (Copper and copper alloys)

77.150.30 (Copper products)

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Publication Date

Oct. 1, 2010

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Page Count

8 pages

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