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(zhǎng)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  | 
||
									
  | ||
