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 新闻资讯 |
| 146*25mm厚壁钢管每米多少钱 |
| 双击自动滚屏 |
发布者：海瑞钢管 发布时间：2012/1/31 阅读：2455次 【字体：大 中 小】 |
冲击温度
|
级别 |
最低冲击试验温度 |
|
℉ |
℃ |
|
Grade 1 |
-50 |
-45 |
|
Grade 3 |
-150 |
-100 |
|
Grade 4 |
-150 |
-100 |
|
Grade 6 |
-50 |
-45 |
|
Grade 7 |
-100 |
-75 |
|
Grade 8 |
-320 |
-195 |
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Grade 9 |
-100 |
-75 |
|
Grade 10 |
-75 |
-60 |
力学性能
|
标准 |
牌号 |
抗拉强度（MPa） |
屈服强度（MPa） |
伸长率（％） |
|
纵 向 |
横 向 |
|
ASTM
A333 |
Grade 1 |
≥380 |
≥205 |
≥35 |
≥25 |
|
Grade 3 |
≥450 |
≥240 |
≥30 |
≥20 |
|
Grade 4 |
≥415 |
≥240 |
≥30 |
≥16.5 |
|
Grade 6 |
≥415 |
≥240 |
≥30 |
≥16.5 |
|
Grade 7 |
≥450 |
≥240 |
≥30 |
≥22 |
|
Grade 8 |
≥690 |
≥515 |
≥22 |
|
|
Grade 9 |
≥435 |
≥315 |
≥28 |
|
|
Grade 10 |
≥550 |
≥450 |
≥22 |
|
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Grade 11 |
≥450 |
≥240 |
≥18 |
|
化学成分
|
标准 |
牌号 |
化学成分（％） |
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Al |
|
ASTM
A333 |
Grade 1 |
≤0.30 |
|
0.40-1.06 |
≤0.025 |
≤0.025 |
|
|
|
|
|
|
|
Grade 3 |
≤0.19 |
0.18-0.37 |
0.31-0.64 |
≤0.025 |
≤0.025 |
|
3.18-3.82 |
|
|
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Grade 4 |
≤0.12 |
0.18-0.37 |
0.50-1.05 |
≤0.025 |
≤0.025 |
0.44-1.01 |
0.47-0.98 |
0.40-0.75 |
|
|
0.04-0.30 |
|
Grade 6 |
≤0.30 |
≥0.10 |
0.29-1.06 |
≤0.025 |
≤0.025 |
|
|
|
|
|
|
|
Grade 7 |
≤0.19 |
0.13-0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
|
2.03-2.57 |
|
|
|
|
|
Grade 8 |
≤0.13 |
0.13-0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
|
8.40-9.60 |
|
|
|
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Grade 9 |
≤0.20 |
|
0.40-1.06 |
≤0.025 |
≤0.025 |
|
1.60-2.24 |
0.75-1.25 |
|
|
|
|
Grade 10 |
≤0.20 |
0.10-0.35 |
1.15-1.50 |
≤0.03 |
≤0.015 |
≤0.15 |
≤0.25 |
≤0.015 |
≤0.50 |
≤0.12 |
≤0.06 |
|
Grade 11 |
≤0.10 |
≤0.35 |
≤0.6 |
≤0.025 |
≤0.025 |
≤0.50 |
35.0-37.0 |
|
≤0.50 |
|
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