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低溫用無(wú)縫鋼管和焊接鋼管介紹-宜興ASTM A333鋼管價(jià)格
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| 級別 | 最低沖擊試驗溫度 | |
| ℉ | ℃ | |
| 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 | 
| 標準 | 牌號 | 抗拉強度(MPa) | 屈服強度(MPa) | 伸長(cháng)率(%) | |
| 縱向 | 橫向 | ||||
| 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 |  | |
| 
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