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发表于 2007-12-14 12:14:02
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来自: 中国安徽芜湖
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% C2 P# _6 h* z- N& F a6 y$ c5 h化学成分 (%)! i0 J g0 J4 S) n( m
| http://www.key-to-steel.com/cn/img/nav/spacer.gif$ p9 J% o% m( ^2 g* v& L
| 元素 | 最小 | 最大 | 近似的 | | C |
3 r. E4 d: a. ^0 M7 m: ` | 0.0300 |
/ C- I" o7 {0 x/ J2 W! q | | Si |
5 Y& p- `6 n$ E) A# y | 1.0000 |
8 {4 B4 m. g2 [" O8 y3 z | | Mn | S9 ~ X% _: W1 @8 w! F
| 2.0000 | 1 Q1 w( `$ ~! l, m& p1 u3 i
| | P | ) z" J% k' t6 e1 C6 x8 r
| 0.0300 | / _9 |% I/ {) z" E
| | S |
, A1 C" P# G7 l! S. V" K$ D | 0.0200 | & [, N( ~. l; p
| | Cr | 21.0000 | 23.0000 |
$ [$ g( E" v6 o$ S. s+ A4 s6 ^ | | Mo | 2.5000 | 3.5000 |
; c+ \1 r, X. @! I# w' A" g3 q | | Ni | 4.5000 | 6.5000 |
7 q9 ]# \4 u( Y+ s. p" ^ | | N | 0.0800 | 0.2000 |
| 1 u! x# c% Y/ @! b) T) P) A( Y
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- W4 Y4 T& A: t1 T9 i6 e5 M| | 最小 | 最大 | 近似的 | | 棒材, 锻制棒材, 锻件; 固溶 | | 屈服强度 Rp0,2 (MPa) | 450 | - | - | | 抗拉强度 Rm (MPa) | 620 | - | - | | 伸长率 A5 (%) | 25.0 | - | - |
热处理 ( C, P8 z: U9 X9 P# _8 G* t- s
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| After hot working, forgings shall be cooled to a temperature below 538°C prior to heat treatment. Material shall be supplied solution treated and quenched. Solutionize at 1020°C minimum and liquid quench to below 260°C. |
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