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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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化学成分 (%)
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% U( T+ j# X# J/ v1 g| 元素 | 最小 | 最大 | 近似的 | | C | z9 }: d+ f1 k/ H, p& g1 P
| 0.0300 |
/ d# n$ x) r( Y. e | | Si | & b& I, b' }9 M
| 1.0000 |
3 e3 j/ d# }: f' F8 q6 t! p | | Mn | ! c+ L) ^' M$ x
| 2.0000 | / M( Y4 s: {# n2 `- f- [9 z
| | P |
6 o; F1 ?" a& _& P | 0.0300 |
/ m: \5 p; X3 g; o1 v | | S |
: T: j, b1 y5 W- f' H | 0.0200 |
. H) N! p' N! q% o& x! u | | Cr | 21.0000 | 23.0000 |
* n! y! Z) F y* \, D$ U | | Mo | 2.5000 | 3.5000 | * N7 h5 D- n" w+ k# J5 K) b1 i
| | Ni | 4.5000 | 6.5000 | # [0 Q6 \6 n, z* p- ~3 g4 e
| | N | 0.0800 | 0.2000 |
| ! E9 o0 U: x4 M7 ~& C- `: J
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& ~6 U3 S3 h/ || | 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 ' J: V1 n/ l5 I
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I |7 v" b0 {1 H( Z/ d| 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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