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引用第2楼cherlly于2010-09-30 15:10发表的 :& L+ \' e9 e4 c. Q9 E5 H$ ?
EN55075:1991 Clause 15.3要求如下:, P2 O5 T ]* k
1. copper9 Y+ q2 c& Q6 H& Q
2. an alloy containing at least 58% copper for parts made from rolled sheet or at lease 50% copper for other parts. Or
. i; R, j4 T) B* a) ^3. other metals having a mechanical strength, an electrical conductivity and a resistance to corrosion adequate for their intended use.( u5 a9 G, `, k, R8 g
没有说一定要用铜或含铜的, 可以用other metals, 如铁吗? 下面还有一句你怎么没看?) `3 h, L$ b7 y, b' A
current -carrying parts--------, shall not be made of steel provided with an electroplate coating.
) Y! y5 m* R7 w0 U& n8 ~说的就是不能用电镀的铁!!!! |
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