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发表于 2011-3-31 11:47:24
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来自: 中国广东深圳
这种钢好买
" S( j# k) z* k) aEN 10025的符号标记含义
, `! i' @2 l. J3 [; }' OThe symbol J & K:2 c5 o0 T/ l7 f* m
JR - Absorbed impact energy min. 27 Joule at 20 °C- K q B8 e# ^% {
J0 - Absorbed impact energy min. 27 Joule at 0 °C2 x4 q& S8 S/ \# m
J2 - Absorbed impact energy min. 27 Joule at -20 °C
/ t ]! o0 @" [& \ jK2 - Absorbed impact energy min. 27 Joule at –30 °C or 40 Joule at –20 °C
0 G0 c- \# N( c2 Z5 l$ d0 C& O" j
" L. ]/ u& f Z j# S, ]+ R, h7 F4 Z. DThe symbol G:, N+ \" C7 t1 H6 k+ O' t
G Deoxidation Delivery condition1 I$ T* S7 P2 O0 y- ~, D
G1 Rimming steel At manufacture's discretion; m5 E$ J( `# o6 g$ z
G2 Rimming steel not permitted At manufacture's discretion
& J* |9 Z7 K1 B* p; r, h) [G3 Fully killed with nitrogen Normalized or normalized rolled
+ g2 J, S6 c/ `5 Y0 ]8 _# B% V binding element
/ t) Z) F% d8 J, BG4 Fully killed with nitrogen At manufacture's discretion
" k5 E5 o2 u1 c4 ] binding element
& l/ c( `$ M- s
: Q' |3 ?- N% l: {0 D/ h3 x' @# VN是正火的意思,表示供货状态为正火态。 |
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