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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
" C/ |0 A& l# P0 D* t, A
$ A! e7 d2 O" [. fChemistry Data :. }9 V5 D! [' ` x' a3 k4 G
Copper 87.5 - 90.5 ) |& z6 q8 N! v4 u. ~. x4 @* p0 l
Iron 0.1 max
" C/ T1 a4 |7 d8 C6 y& nLead 1.3 - 2.5
, S2 |" W) D9 d* M6 cNickel 0.7 - 1.2
. A: J( ]0 B' E8 C0 C, c" PPhosphorus 0.04 - 0.1
( i$ ?* T" G GRemainder Each Zn $ A7 ], a# _7 X$ W1 a; n2 \
Remainder Total Cu + sum of named elements |
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