ASTM B111-89a/ASME SB111-89a COPPER AND COPPER ALLOY SEAMLESS CONDENSER TUBES AND FERRULE' E: n/ X. V3 b! ^) f
(ASTM B 111 - 89 a / ASME SB 111 - 89 a /ASTMB111-89a/ASMESB111-89a) |
' }+ S) k- A& ^1. Scope: _6 w/ K6 f% J- n* z3 Z9 g
) z# P! |' `7 F+ j' R
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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发表于 2008-5-13 17:55:23
发表于 2008-5-15 16:42:07