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请高手解答EN100257 f: ]5 y: E" b; `4 f$ i
如题
. K b0 [: h; F9 Q请材料高手解答: O6 G6 X% }/ n5 L$ {# {
EN10025-2
* W! O7 c M/ O0 L) ]EN10025-3
5 S" @7 o% a6 K% YEN10025-4
~' U8 Y2 c- r+ hEN10025-57 N h7 {- t& \' n
的区别。: p8 c2 p& i. o: H' v7 y8 _/ u( s
EN 10025-2:2004, Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-alloy- B1 B2 e& `4 {" D6 B9 b
structural steels.
5 M* s/ n, ?& _; G5 T4 x$ |EN 10025-3:2004, Hot rolled products of structural steels - Part 3: Technical delivery conditions for: `' Y: @5 a3 S! V9 _& i9 f1 [
normalized/normalized rolled weldable fine grain structural steels.
+ I& B1 I3 ?' ~' O9 yEN 10025-4:2004, Hot rolled products of structural steels - Part 4: Technical delivery conditions for3 R; T) f+ V3 {9 G2 V- v
thermomechanical rolled weldable fine grain structural steels.1 h, }7 `9 J9 x
EN 10025-5:2004, Hot rolled products of structural steels - Part 5: Technical delivery conditions for structural" l! w& i6 N& s5 k7 \+ }4 e
steels with improved atmospheric corrosion resistance.5 }3 i, _! ^, a0 f* \
! k. K1 K) Q& t+ F; h( v+ i
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, c2 ~; Y' n& S: \, c2 S" n
请从交货状态，检验方法等方面区别给与支持.* E0 S$ y9 t3 _& @% k5 f& x
谢谢各位大虾了！！！！ |
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发表于 2010-3-8 15:58:14