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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 (%)0 `" Y1 F, K: Y8 q
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8 f( T( f9 v# p6 J9 d| 元素 | 最小 | 最大 | 近似的 | | C | " U8 J6 z- v, [: i. v2 B
| 0.0300 |
; z1 m/ `0 v5 `- q | | Si | 3 `# S9 i8 z+ b& E# F9 f3 Z5 J
| 1.0000 |
& b" x1 D9 l3 s | | Mn |
5 x6 D, {$ N) w" s& Z | 2.0000 | ; H9 j( a ]( i- t. N e
| | P |
; H2 n; G4 P7 L( m6 } | 0.0300 |
7 C. O$ ?+ a% | | | S |
8 x0 x" g; D1 C: w( d! R* K) R1 D | 0.0200 |
$ ^5 L5 o* O& [: N) ^ | | Cr | 21.0000 | 23.0000 |
; I) u+ m1 b: ^" T3 a# H | | Mo | 2.5000 | 3.5000 | 2 C' V( M2 _+ u
| | Ni | 4.5000 | 6.5000 |
! g- V C2 w( e z; K7 C( _8 ?' ^. b | | N | 0.0800 | 0.2000 |
| 6 c. A4 e! w w% @, J+ [# e
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5 f0 Z* ~: q( g$ h/ b) Z| | 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 . \! s ?2 S k! I
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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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