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如题
- C! Z) z2 K* g& N# Z9 ]5 g1 `* l请材料高手解答
( r5 U. x+ b/ |' Z8 {7 ^* cEN10025-2 9 ~) s8 Q+ T4 Z0 ~
EN10025-3
4 R3 S2 A0 U! b4 N* \EN10025-4
% [, E$ V$ p) _; TEN10025-57 C" d I1 P3 _) m% N
的区别。+ P0 k6 _: S7 ]+ I) H5 K
EN 10025-2:2004, Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-alloy+ N8 Q* D1 ]4 v: p
structural steels.
$ B! A4 G1 V4 s3 D @) b, w" kEN 10025-3:2004, Hot rolled products of structural steels - Part 3: Technical delivery conditions for
3 @) H" |* d1 s' bnormalized/normalized rolled weldable fine grain structural steels.1 }* i( m8 b6 ]2 Z# ^( F, c
EN 10025-4:2004, Hot rolled products of structural steels - Part 4: Technical delivery conditions for5 _: @" L5 M' N
thermomechanical rolled weldable fine grain structural steels.
- f5 A- \, h0 i! KEN 10025-5:2004, Hot rolled products of structural steels - Part 5: Technical delivery conditions for structural' d, P" m: q4 h
steels with improved atmospheric corrosion resistance.& _% |$ e" ~7 N
1 N4 B6 r6 \7 n" Q$ n9 H本人只看出化学成分的细微差别，无非是从2到5 杂质PS 等的控制严格了" w" j+ A( }' c. |' f8 a! k
请从交货状态，检验方法等方面区别给与支持.
/ K9 K6 @! d! ?4 Z+ }9 }谢谢各位大虾了！！！！ |
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发表于 2010-3-8 15:54:38