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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; d8 y$ w: d8 B3 [$ v/ w
EN 10025的符号标记含义
" L8 N: u1 I, k) o) vThe symbol J & K:
4 E( h, f( r0 D) IJR - Absorbed impact energy min. 27 Joule at 20 °C7 ?) p; W7 }2 u" n- f
J0 - Absorbed impact energy min. 27 Joule at 0 °C, s0 o$ x o- r2 B
J2 - Absorbed impact energy min. 27 Joule at -20 °C# ~$ {) `2 J) P; B' H9 D
K2 - Absorbed impact energy min. 27 Joule at –30 °C or 40 Joule at –20 °C/ T4 a3 T# P6 c
[- S' V6 G' M, n1 k. P- EThe symbol G:
7 X- F0 R; T3 w% q$ t' d2 fG Deoxidation Delivery condition
) ^5 y# Q$ d" E4 j# Y0 _. ?6 O- s9 YG1 Rimming steel At manufacture's discretion
& H9 m5 _4 j! pG2 Rimming steel not permitted At manufacture's discretion: \: K$ @$ w% w9 X
G3 Fully killed with nitrogen Normalized or normalized rolled9 @" v4 Y9 P# I
binding element
: M v& e4 v3 s! cG4 Fully killed with nitrogen At manufacture's discretion- v) @1 {' ^# m' }( R
binding element* r9 M8 s, ~3 H2 Z9 c9 ~3 @
" o3 @. ~2 S8 Q$ A. ~N是正火的意思，表示供货状态为正火态。 |
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