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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
$ d9 d! w j; u6 _2 E6 HEN 10025的符号标记含义
4 Q0 l8 L, Y# CThe symbol J & K:, \2 d# |6 f" t' ^2 y' b
JR - Absorbed impact energy min. 27 Joule at 20 °C
+ B( W. F! Y+ ]; X _! o% mJ0 - Absorbed impact energy min. 27 Joule at 0 °C# z" S9 A w% ]0 w% z
J2 - Absorbed impact energy min. 27 Joule at -20 °C
! H( C! d4 ~3 G) k, S* }! lK2 - Absorbed impact energy min. 27 Joule at –30 °C or 40 Joule at –20 °C) S+ i. I1 F& R+ o$ P
. u6 J; ?7 H6 a% V5 U3 z4 R* l+ ~
The symbol G:
( A' I+ a4 N" h( ^. _7 IG Deoxidation Delivery condition4 {& X( H- v! I
G1 Rimming steel At manufacture's discretion8 a5 r% M( {, n% Z9 J& _9 Z
G2 Rimming steel not permitted At manufacture's discretion
" s% {9 n) I7 x2 `3 I! tG3 Fully killed with nitrogen Normalized or normalized rolled
9 S. V/ r9 e0 Y% L5 k4 r binding element% R/ A$ e# W# |
G4 Fully killed with nitrogen At manufacture's discretion
/ L3 n' l& a9 ~! s! z- l( T- q u* L binding element) N% h2 C" B- j! v% J h
) D9 i) {3 O; k3 KN是正火的意思，表示供货状态为正火态。 |
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