请参考 ASTM B140 - ^' @- S* U. i$ \3 p D/ V
# N" D D) S; I, J( Z6 \) [
Chemistry Data :0 l @6 ^3 N& `( z
Copper 87.5 - 90.5 7 [" D5 M0 n# \" R' M) U$ X& VIron 0.1 max 4 k: E. i4 [# u+ q4 w5 W0 q, M) f' e! mLead 1.3 - 2.5 % b9 U+ Z; h) Q2 r# SNickel 0.7 - 1.2 9 s* M9 D5 M" p. X9 J+ I# p
Phosphorus 0.04 - 0.1 4 w) j$ i/ q! ]0 I# M8 DRemainder Each Zn ! O- H% v$ o, t
Remainder Total Cu + sum of named elements
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发表于 2006-8-24 11:46:03