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发表于 2007-12-25 08:12:01
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来自: 中国安徽芜湖
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化学成分 (%), p4 {# _. T) K9 E" E
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( H. N: T; w, r, w+ s' y| 元素 | 最小 | 最大 | 近似的 | | Si | 9.0000 | 11.0000 | | | Cu | | 0.0500 | | | Mn | | 0.4000 | | | Mg | 0.2000 | 0.5000 | | | Zn | | 0.1000 | 5 D6 }8 I! j1 E3 s$ \- X- ^* p
| | Ti | | 0.1500 | 4 j) V# F$ h( E' |/ e
| | Al (*) |
! O1 ~0 l% A- Q2 a; J# V |
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' q5 o! z5 ^4 ]- g | | Fe | | 0.5000 |
2 o: ]3 Y0 q; k, m5 l | | others | 5 B. y' b* u& W. l4 ^
| 0.0500 |
+ D( a$ j) S+ M) j& v8 h# X* j) a | | total | 2 h: W( m8 ?+ K, ~ r4 U9 {
| 0.1500 | : C. \% }: R* \
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, D% d9 i5 I! L+ X- J| | Min. | Max. | Approx. | | Solution heat treated and artificially aged (w.a.) ; Permanent mold castings | | Yield Stress, Rp0,2 (MPa): | 210 | 280 | | | Tensile Stress, Rm (MPa): | 240 | 320 | | | Elongation, A (%): | 1 | 4 | | | Hardness: | 85-115 HB |
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