標(biāo)準(zhǔn)
ASTM A333——Seamless and Welded Steel Pipe for Low-Temperature Service
主要生產(chǎn)鋼管牌號(hào)
Grade 1, Grade 3, Grade 4, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10, Grade 11
沖擊溫度
級(jí)別 |
最低沖擊試驗(yàn)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 |
力學(xué)性能
標(biāo)準(zhǔn) |
牌號(hào) |
抗拉強(qiáng)度(MPa) |
屈服強(qiáng)度(MPa) |
伸長率(%) | |
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 |
|