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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
* h$ x2 ?4 L9 c* q) }Standard Specification for Hot-Rolled Structural Steel, High-Strength Low-Alloy Plate with Improved Formability( b) f3 Z3 G* K/ c5 n" e
http://www.3dportal.cn/discuz/viewthread.php?tid=272547&highlight=ASTM%2BA%2B656中:
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实际材料:A 656 Type 3 Grade 550 3 V0 y7 d# ` l) U% T
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化学成分 (%)+ v( Y- X: U I* |5 v( C
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[% P `& ? `9 L/ r| 元素 | 最小 | 最大 | 近似的 | | C | 1 o0 U0 `0 q0 [% e! y" {" @1 v
| 0.1800 | " ?+ L4 |# W) t4 P, h. S) s( H6 A
| | Si |
' r% Z1 z7 b) d5 h | 0.6000 | * T! @* }$ j1 `& A2 u
| | Mn | 8 c9 b2 K+ `# v; N9 s6 p" Q8 e
| 1.6500 | ! b3 ~5 L, h5 a( ]! s D# O* @
| | P |
$ j& m+ K5 j" Q6 I | 0.0250 | & ?6 `' |4 X% | j
| | S | r i# i8 ?$ m6 {
| 0.0350 | / X) F: ?5 d/ h6 ?0 }
| | V | . @+ {( l9 e* r# B
| 0.0800 | . g3 s. b7 g. M6 ]+ O5 Q3 `
| | Nb | 0.0080 | 0.1000 | 5 C% `6 A; z) v8 R
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| 0.0200 |
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材料属性 - X) k4 ]$ o% _/ V# p6 a
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' H3 i) J% E K| | 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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