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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! [' Z( K' T% [% G8 m
Standard Specification for Hot-Rolled Structural Steel, High-Strength Low-Alloy Plate with Improved Formability
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' F: `( ^6 c: U+ j8 i实际材料:A 656 Type 3 Grade 550
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化学成分 (%)* ]& O( [/ a* \$ l
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| 元素 | 最小 | 最大 | 近似的 | | C | # c' E6 e8 e% P- K
| 0.1800 | " v/ B9 g# D( i" ?' Z
| | Si | 0 f4 }/ @# T: A. T( L6 Y+ L
| 0.6000 |
$ L0 n- y( c8 G# i1 Z | | Mn |
4 G8 Q$ q0 V; k% B6 z | 1.6500 |
$ c2 m5 V0 K1 n | | P |
1 c; a1 B; L& f) l6 u+ y: l | 0.0250 |
F9 Z' B4 ^5 T8 c | | S | S2 |$ b" F" }+ |
| 0.0350 |
1 m% [5 ? V6 Y1 V( l( j/ f | | V |
" z5 h/ S- E8 |2 k | 0.0800 |
! n I$ u$ Z9 c2 e2 R9 q( C" c* j | | Nb | 0.0080 | 0.1000 |
3 I# z% J! ^, V& u% g7 Y | | N |
& Z- H z5 b: w4 ^ M' q" r/ ~/ t | 0.0200 |
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# Y' t U7 ]- k) |$ w; b, f. f% B- J材料属性
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, y5 }) x! e- N8 t; h| | 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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