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发表于 2006-8-24 23:43:29
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来自： 中国广东广州
请参考 ASTM B140
, f6 B' i( I# V, y" n9 L1 `
2 b8 d2 p& x! O$ i/ fChemistry Data :6 e/ I' j! |3 t2 x- ?
Copper 87.5 - 90.5 " N2 V: r. c) A0 o
Iron 0.1 max 1 g& m! u4 R' D. A" N7 `' M- Y
Lead 1.3 - 2.5 & n8 s0 Y6 R* f6 K7 A( d2 y
Nickel 0.7 - 1.2
; T6 k5 [6 `& I' l0 dPhosphorus 0.04 - 0.1 ) E- h, ?4 ], z
Remainder Each Zn ) k' `/ m! b( h0 `* X6 d
Remainder Total Cu + sum of named elements |
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