原帖由 lihui 于 2008-5-9 15:27 发表 
9 h8 W" h8 P' m" x2 n2 }5 h! p4 p英国BS4360 GR40A是啥钢号??(求助) 8 A, E" ~4 M U) Y' l5 D; |* C
可焊接的钢结构 BS4360:1990 Weldable structural steels
2 ^3 U: V6 L: C8 BBS4360 ---EN 10025-2:1995
, M! I3 h3 K. X$ `9 ]3 {- c3 rNr. 1.0553 ---GB700. g/ r; j3 L" U* `" n, W7 \$ w
GR40A --- S355J0-------Q345B(16Mn)$ l7 C& B t* C
[size=+0]CHEMICAL COMPOSITION:化学成分
5 D! F! f+ X f; ^
h7 R, t1 [2 F7 h3 |4 t7 Q[size=+0]C % (max) | [size=+0]Si % (max) | [size=+0]Mn % (max) | [size=+0]P % (max) | [size=+0]S% (max) | [size=+0]N % (max) | [size=+0]0.20 | [size=+0]0.55 | [size=+0]1.60 | [size=+0]0.035 | [size=+0]0.035 | [size=+0]0.009 |
9 |3 K& l( p. W3 g5 M9 v3 Q
1 C; y% A% {6 w# O3 G( g" U[ 本帖最后由 杰作 于 2008-6-24 19:03 编辑 ] |