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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
2 ~8 O1 B3 X8 T9 L9 K. rEN 10025的符号标记含义
' x7 t" T( P: N% hThe symbol J & K:2 n" p* Z% B# y
JR - Absorbed impact energy min. 27 Joule at 20 °C
! l, j b. Z6 l q m: p$ mJ0 - Absorbed impact energy min. 27 Joule at 0 °C+ f* x: l4 E: O
J2 - Absorbed impact energy min. 27 Joule at -20 °C
& a; I2 Q* N* c2 JK2 - Absorbed impact energy min. 27 Joule at –30 °C or 40 Joule at –20 °C7 T+ P) E4 w" k" f' P* M: \
* U0 P: e* k& T( C! s" AThe symbol G:
5 `" R- I! a0 Y0 D; {7 a- LG Deoxidation Delivery condition# a7 F3 c1 H* {* f. U$ F
G1 Rimming steel At manufacture's discretion* k( M' F) d& C# p( f
G2 Rimming steel not permitted At manufacture's discretion
2 H& I3 m! m4 T/ e, c/ Q2 e- `' YG3 Fully killed with nitrogen Normalized or normalized rolled
" d' H$ I1 v/ W. u- w$ F3 ~ binding element
, |9 W0 c; S/ Y, DG4 Fully killed with nitrogen At manufacture's discretion
( I7 U0 K2 N& Z" P; w binding element l5 G% j$ ?+ M9 Z
6 \+ t, [, N. D
N是正火的意思，表示供货状态为正火态。 |
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