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低温用无缝钢管和焊接钢管介绍-宜兴ASTM A333钢管价格
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|
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 |
|
Grade 9 |
-100 |
-75 |
|
Grade 10 |
-75 |
-60 |
|
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 |
| |
|
Grade 11 |
≥450 |
≥240 |
≥18 |
| |
| ||