ASTM B543-07e1 PDF

1.1 This specification covers welded tube of copper and various copper alloys up to 31/8in., inclusive, in diameter, for use in surface condensers, evaporators, heat exchangers, and general engineering applications. The following coppers or copper alloys are involved:

Copper or
Copper Alloy UNS No.²Previously Used
DesignationType of Metal C10800A...oxygen-free, low phosphorus C12200A DHP phosphorized, high residual phosphorus C19400...copper-iron alloy C23000...red brass C44300...arsenical admiralty C44400...antimonial admiralty C44500...phosphorized admiralty C68700...arsenical aluminum brass C70400...95-5 copper-nickel C70600...90-10 copper-nickel C70620...90-10 copper-nickel (Modified for Welding) C71000...80-20 copper-nickel C71500...70-30 copper-nickel C71520...70-30 copper-nickel (Modified for Welding) C71640...copper-nickel-iron-manganese C72200...... ____________

A Copper UNS Nos. C10800 and C12200 are classified in Classification B 224.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. (Warning-Mercury is a definite health hazard in use and disposal. (See 12.1.1.))

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Number of Pages :	11
Published :	10/01/2007
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