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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
6 B. \& b; g, \EN 10025的符号标记含义. u# n0 F" ~3 Z$ J9 I3 b6 _
The symbol J & K:; w2 H* r, a; F. y ^
JR - Absorbed impact energy min. 27 Joule at 20 °C- {0 D7 B( Z- k+ Z, ~3 U2 H- v: v
J0 - Absorbed impact energy min. 27 Joule at 0 °C
/ k" x# A% \- P- Z6 p% C* r5 pJ2 - Absorbed impact energy min. 27 Joule at -20 °C- F; Y7 ?" m$ q+ F2 j$ M
K2 - Absorbed impact energy min. 27 Joule at –30 °C or 40 Joule at –20 °C' } v3 p$ k8 j4 z4 p
* D9 B, Y2 Q+ O. }The symbol G:0 z% @7 b1 e' R9 A) Y. g2 M
G Deoxidation Delivery condition
& q* B8 M5 m0 Z. A0 {3 z2 ^G1 Rimming steel At manufacture's discretion6 w' b5 h9 ]# k7 Q
G2 Rimming steel not permitted At manufacture's discretion
6 e+ C- {* w. F8 N; o( A7 TG3 Fully killed with nitrogen Normalized or normalized rolled$ s- X6 T2 |# A* p T4 G
binding element: ~+ k/ d5 U" J7 N
G4 Fully killed with nitrogen At manufacture's discretion n1 q k1 l* o# u& I
binding element8 C% h5 o+ _ t. F
# G, s6 p) `/ l$ ?N是正火的意思，表示供货状态为正火态。 |
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