ASTM B111-89a/ASME SB111-89a COPPER AND COPPER ALLOY SEAMLESS CONDENSER TUBES AND FERRULE
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1.1 This specification covers seamless tube and ferrule stock of copper and various copper alloys up 31/8 in, inclusive, in dimeter, for use in surface condensers, evaporators, and heat exchangers. tubes for this application are normally made from the following coppers or copper alloys:
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