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低溫用無縫鋼管
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執(zhí)行標準： ASTM A333（2004）---低溫用無縫鋼管（美標）
GB18984（2003）---低溫管道用無縫鋼管（國標）
產(chǎn)品應(yīng)用：適用于-45℃～-195℃級低溫壓力容器管道以及低溫熱交換器管道用無縫鋼管
低溫鋼管化學成分
| 標準 |
牌號 |
化學成分（%） |
| C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Al |
| GB/T18984 |
16MnDG |
0.12～0.20 |
0.20～0.55 |
1.20～1.60 |
≤0.025 |
≤0.025 |
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| 10MnDG |
≤0.13 |
0.17～0.37 |
≤1.35 |
≤0.025 |
≤0.025 |
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≤0.07 |
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| 09DG |
≤0.12 |
0.17～0.37 |
≤0.95 |
≤0.025 |
≤0.025 |
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≤0.07 |
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| 09Mn2VDG |
≤0.12 |
0.17～0.37 |
≤1.85 |
≤0.025 |
≤0.025 |
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≤0.12 |
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| 06Ni3MoDG |
≤0.08 |
0.17～0.37 |
≤0.85 |
≤0.025 |
≤0.025 |
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2.5～3.7 |
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0.15～0.30 |
≤0.05 |
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| ASTM A333 |
Grade1 |
≤0.30 |
-- |
0.40～1.06 |
≤0.025 |
≤0.025 |
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| Grade3 |
≤0.19 |
0.18～0.37 |
0.31～0.64 |
≤0.025 |
≤0.025 |
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3.18～3.82 |
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| Grade4 |
≤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 |
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0.04～0.30 |
| Grade6 |
≤0.30 |
≥0.10 |
0.29～1.06 |
≤0.025 |
≤0.025 |
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| Grade7 |
≤0.19 |
0.13～0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
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2.03～2.57 |
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| Grade8 |
≤0.13 |
0.13～0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
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8.40～9.60 |
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| Grade9 |
≤0.20 |
-- |
0.40～1.06 |
≤0.025 |
≤0.025 |
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1.60～2.24 |
0.75～1.25 |
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| Grade10 |
≤0.20 |
0.10～0.35 |
1.15～1.50 |
≤0.035 |
≤0.015 |
≤0.15 |
≤0.25 |
≤0.015 |
≤0.50 |
≤0.12 |
≤0.06 |
| Grade11 |
≤0.10 |
≤0.35 |
≤0.60 |
≤0.025 |
≤0.025 |
≤0.50 |
35.0～37.0 |
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≤0.50 |
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低溫鋼管力學性能
| 標準 |
牌號 |
低沖擊試驗溫度 |
抗拉強度Mpa |
屈服強度 |
伸長率% |
| F |
℃ |
縱向 |
橫向 |
| ASTM A333 |
Grade1 |
-50 |
-45 |
≥380 |
≥205 |
≥35 |
≥25 |
| Grade3 |
-150 |
-100 |
≥450 |
≥240 |
≥30 |
≥20 |
| Grade4 |
-150 |
-100 |
≥415 |
≥240 |
≥30 |
≥16.5 |
| Grade6 |
-50 |
-45 |
≥415 |
≥240 |
≥30 |
≥16.5 |
| Grade7 |
-100 |
-75 |
≥450 |
≥240 |
≥30 |
≥22 |
| Grade8 |
-320 |
-195 |
≥690 |
≥515 |
≥22 |
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| Grade9 |
-100 |
-75 |
≥435 |
≥315 |
≥28 |
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| Grade10 |
-75 |
-60 |
≥550 |
≥450 |
≥22 |
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| Grade11 |
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≥450 |
≥240 |
≥18 |
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| GB/T18984 |
16MnDG |
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-45 |
490～665 |
≥315 |
≥30 |
| 10MnDG |
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-45 |
≥400 |
≥240 |
≥35 |
| 09DG |
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-45 |
≥385 |
≥210 |
≥35 |
| 09Mn2VDG |
|
-70 |
≥450 |
≥300 |
≥30 |
| 06Ni3MoDG |
|
-100 |
≥455 |
≥250 |
≥30 | | 天津市三聚源商貿(mào)有限公司低溫無縫鋼管銷售電話：022-26626265 26626252
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