標(biāo)準(zhǔn):
ASTM A333——Seamless and Welded Steel Pipe for Low-Temperature Service
主要生產(chǎn)鋼管牌號:
Grade 1, Grade 3, Grade 4, Grade 6, Grade 7, Grade 8, Grade 9, Grade 10, Grade 11
沖擊溫度:
級別 |
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 |
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 |
|
化學(xué)成分:
標(biāo)準(zhǔn) |
牌號 |
化學(xué)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 |
|
|
|
|
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 |
|
|
|
|
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 | |