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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 (%)& l& n z6 H2 H! k1 u) e' g4 J/ L
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| 元素 | 最小 | 最大 | 近似的 | | C | 7 Y# m. L9 n3 M
| 0.0300 | 3 F1 J: W O3 H, V' h- ]
| | Si |
" I$ q, B# k4 P; D- s# I2 Y1 i# n( l | 1.0000 |
$ X$ P$ I# _1 v! U$ M | | Mn |
# C4 u! r3 e! Z1 ]& }7 R0 J | 2.0000 | d/ ` D& O0 b+ n6 f b/ N3 ]# Z
| | P |
4 l& { k2 U" H4 O7 b3 j | 0.0300 |
" ~! p2 [3 Z2 N9 c- Y" d8 n | | S | : c9 x+ q$ x X
| 0.0200 | : ~- j* s j2 Q( Y x0 f
| | Cr | 21.0000 | 23.0000 | 8 b1 U3 `4 I6 u
| | Mo | 2.5000 | 3.5000 |
! ?) g6 R: P2 y7 t1 t9 B( r | | Ni | 4.5000 | 6.5000 | ' B4 T: x! m5 ~& }: f
| | N | 0.0800 | 0.2000 |
| 5 Z( H$ }0 p5 v3 E$ q3 Y2 m
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| | 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 - n! d* t3 {/ T, O
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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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