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

Designation listed in Classification B 224.

Copper or Copper Alloy UNS No. 2Previously UsedDesignationType of Metal
C10800oxygen-free, low phosphorus
C12200DHP phosphorized, high residual phos phorus
C19400copper-iron alloy
C23000red brass
C44300arsenical admiralty
C44400antimonial admiralty
C44500phosphorized admiralty
C68700arsenical aluminum brass
C7040095-5 copper-nickel
C7060090-10 copper-nickel
C7100080-20 copper-nickel
C7150070-30 copper-nickel
C71640copper-nickel-iron-manganese
C72200

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 14.1.))

Note 1 – A complete metric companion to Specification B 543 has been developed – B 543M; therefore, no metric equivalents are presented in this specification.

Product Details

Published:
10/01/2003
Number of Pages:
9
File Size:
1 file , 67 KB