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发表于 2007-12-18 13:47:22
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来自： 中国安徽芜湖
见ASTM A656 A656M-2003 Standard Specification for Hot-Rolled Structural Steel...ASTM A656 A656M-2003
' ?1 @6 m5 g9 l3 C" uStandard Specification for Hot-Rolled Structural Steel, High-Strength Low-Alloy Plate with Improved Formability3 ^& r! ]3 f% r3 _! ^5 N
http://www.3dportal.cn/discuz/viewthread.php?tid=272547&highlight=ASTM%2BA%2B656中：
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9 b L$ z# S& o& O: r
实际材料：A 656 Type 3 Grade 550
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# a8 T8 k4 y4 v8 _* y5 [化学成分 (%)
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| 元素 | 最小 | 最大 | 近似的 | | C | : q# C* b) v3 z8 X3 ^' o- x% ~
| 0.1800 | & _3 @3 S7 o+ d J1 L
| | Si | ; A1 J0 a/ K' ~5 q7 V7 }
| 0.6000 |
9 n8 y. k) \! k0 ^$ s | | Mn | 8 U1 l6 J# Q8 w
| 1.6500 | 9 ?. @1 ~9 s! B+ @
| | P | . V9 u/ s) l1 T4 e C$ S
| 0.0250 | 6 E. G, X3 x/ o% }2 i
| | S | " g% P$ p' _, `4 X
| 0.0350 | " G5 n4 N& ]) }, `: n. e
| | V |
* Q: b9 a4 ~- |, P9 B+ M# { | 0.0800 |
1 y$ G! O& g1 j6 p1 B) ?" I5 y+ [ | | Nb | 0.0080 | 0.1000 |
/ [9 b8 U+ S+ ]6 M }: Z( r3 I | | N |
) x- U# A. [/ K6 p J | 0.0200 |
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/ @4 \) h3 y& u1 U n) O" A材料属性 0 n4 b! a: E3 O* @9 c# k: {- k$ P
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% z* M( \& Q3 @9 O$ l& i| | 最小 | 最大 | 近似的 | | 厚板; 轧制; t <= 20 mm | | 屈服强度 Rp0,2 (MPa) | 550 | - | - | | 抗拉强度 Rm (MPa) | 620 | - | - | | 伸长率 A5 (%) | 15.0 | - | - |
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