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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 (%)' V, k* J6 _* ?; @6 n7 U2 z) R
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, D2 M( c- N/ j& ^3 A3 B3 c| 元素 | 最小 | 最大 | 近似的 | | C |
\1 Z( V: c, {4 _+ H | 0.0300 |
4 J7 L b+ m' q6 _* C0 T4 l | | Si |
$ e9 n0 G5 u, e/ @ | 1.0000 |
' Z; _, N) J5 m9 }9 I1 q" a | | Mn |
- h- w2 D$ e& I: c; s: W9 h, i | 2.0000 | 6 {" c3 L# h" L
| | P |
/ X) J" i9 I0 L% ?( ^ | 0.0300 | 6 } {$ V/ T& [2 i+ i
| | S | ! O9 q5 w' m: U0 P& g# J
| 0.0200 | / v% J$ ?. Z ?4 R
| | Cr | 21.0000 | 23.0000 | ; I3 M* }: F" x' u) c( P" E
| | Mo | 2.5000 | 3.5000 |
) g3 m$ s' | o | | Ni | 4.5000 | 6.5000 | D% W& `2 R0 z+ z( Q" t
| | N | 0.0800 | 0.2000 |
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材料属性 6 U: g' M" \" E( r% N) H0 Z6 f
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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
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" E) m" L* o4 T, c' y2 V3 ^6 x| 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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