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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# W, u* ^( }: s- |: R* r
EN 10025的符号标记含义
9 |0 ^+ f/ Q- T( s4 h) rThe symbol J & K:
A( ^9 x+ i- u1 {7 h4 GJR - Absorbed impact energy min. 27 Joule at 20 °C( P. g. D0 |( }5 b8 l# Y
J0 - Absorbed impact energy min. 27 Joule at 0 °C. S) @) E' f3 j A+ {) ^/ `2 ~* h8 {
J2 - Absorbed impact energy min. 27 Joule at -20 °C
# c) b1 {- q8 ]$ V" J! a- s7 K- RK2 - Absorbed impact energy min. 27 Joule at –30 °C or 40 Joule at –20 °C
) D( F7 i4 N9 ]8 k3 F- l
1 l( X7 I( H+ Q0 j; QThe symbol G:/ N6 } n5 D. @
G Deoxidation Delivery condition
3 F- o& m2 A+ K' ?5 }, JG1 Rimming steel At manufacture's discretion
L3 G+ ~9 A) A% W/ o3 D' e0 BG2 Rimming steel not permitted At manufacture's discretion
6 J& U; T9 B' `9 F: }6 e% qG3 Fully killed with nitrogen Normalized or normalized rolled
, t m' n- U7 x3 l; o! w1 J binding element
; O! `1 ~8 M2 N7 OG4 Fully killed with nitrogen At manufacture's discretion
4 H& y* }7 `9 p4 ?+ B; i binding element
% E" u6 w) J% j3 x6 D2 u& U, V' Q" K( P+ n3 A
N是正火的意思,表示供货状态为正火态。 |
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