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发表于 2006-8-2 09:33:09
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来自: LAN
是不是这个?( J4 P4 u; U; t: k* \- }' w D
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材料: Fe 52 B KB / V% T/ Q- @5 K
标准: UNI
7 R2 U7 N, k+ M国家与地区: Italy + a9 `% E, k) s1 p8 ^- Z
钢组: 结构钢 $ A/ b' C2 M9 c: V2 Z) C2 J0 P2 ]+ O
次级钢组: UNI 7356 Carbon steel; Wire rods and round bars for cold- or hot-headed bolts, nuts and rivets , m) e$ M# F9 i. W' J5 F3 T, J
注释: Replaced by EN 10263-1, EN 10263-2, EN 10263-3, EN 10263-4, EN 10263-5. Except for the P and S, the composition of this steel is not specified |
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