详细说明
16MnDG无缝钢管 低温管道用无缝钢管
现货规格:8-1240×1-200mm<1/8”—48”×SCH5S—SCH160、STD、XS、XXS>
执行标准:GB/T18984-2003、ASTM A333
产品材质:16MnDG、10MnDG、09DG、09Mn2VDG、06Ni3MoDG、 ASTM A333-Grade1、Grade3、Grade4、Grade6、Grade7、Grade8、
Grade9、Grade10、Grade11
产品应用:适用于-45℃～-195℃级低温压力容器管道以及低温热交换器管道用无缝钢管
冲击温度:
| 级别 | 最低冲击试验温度 |
| ℉ | ℃ |
| 16MnDG | -- | -45 |
| 10MnDG | -- | -45 |
| 09DG | -- | -45 |
| 09Mn2VDG | -- | -70 |
| 06Ni3MoDG | -- | -100 |
| A333 Grade1 | -50 | -45 |
| A333 Grade3 | -150 | -100 |
| A333 Grade4 | -150 | -100 |
| A333 Grade6 | -50 | -45 |
| A333 Grade7 | -100 | -75 |
| A333 Grade8 | -320 | -195 |
| A333 Grade9 | -100 | -75 |
| A333 Grade10 | -75 | -60 |
| A333 Grade11 | -- | -- |
力学性能:
| 标准 | 牌号 | 抗拉强度 （Mpa） | 屈服强度 (Mpa) | 伸长率(%) |
| 纵向 | 横向 |
| GB/T1898 -2003 | 16MnDG | 490-665 | ≥325 | ≥30 | -- |
| 10MnDG | ≥400 | ≥240 | ≥35 | -- |
| 09DG | ≥385 | ≥210 | ≥35 | -- |
| 09Mn2VDG | ≥450 | ≥300 | ≥30 | -- |
| 06Ni3MoDG | ≥455 | ≥250 | ≥30 | -- |
| ASTM A333 | Grade1 | ≥380 | ≥205 | ≥35 | ≥25 |
| Grade3 | ≥450 | ≥240 | ≥30 | ≥20 |
| Grade4 | ≥415 | ≥240 | ≥30 | ≥16.5 |
| Grade6 | ≥415 | ≥240 | ≥30 | ≥16.5 |
| Grade7 | ≥450 | ≥240 | ≥30 | ≥22 |
| Grade8 | ≥690 | ≥515 | ≥22 | -- |
| Grade9 | ≥435 | ≥315 | ≥28 | -- |
| Grade10 | ≥550 | ≥450 | ≥22 | -- |
| Grade11 | ≥450 | ≥240 | ≥18 | -- |
化学成分:
| 标准 | 牌号 | 化学成分（%） |
| C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Al |
| GB/T18984 -2003 | 16MnDG | 0.12-0.20 | 0.20-0.55 | 1.20-1.60 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | -- | -- |
| 10MnDG | ≤0.13 | 0.17-0.37 | ≤1.35 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | ≤0.07 | -- |
| 09DG | ≤0.12 | 0.17-0.37 | ≤0.95 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | ≤0.07 | -- |
| 09Mn2VDG | ≤0.12 | 0.17-0.37 | ≤1.85 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | ≤0.12 | -- |
| 06Ni3MoDG | ≤0.08 | 0.17-0.37 | ≤0.85 | ≤0.025 | ≤0.025 | -- | 2.5-3.7 | -- | 0.15-0.30 | ≤0.05 | -- |
| ASTM A333 | Grade1 | ≤0.30 | -- | 0.40-1.06 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | -- | -- |
| Grade3 | ≤0.19 | 0.18-0.37 | 0.31-0.64 | ≤0.025 | ≤0.025 | -- | 3.18-3.82 | -- | -- | -- | -- |
| 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 | -- | -- | 0.04-0.30 |
| Grade6 | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.025 | ≤0.025 | -- | -- | -- | -- | -- | -- |
| Grade7 | ≤0.19 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | -- | 2.03-2.57 | -- | -- | -- | -- |
| Grade8 | ≤0.13 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | -- | 8.40-9.60 | -- | -- | -- | -- |
| Grade9 | ≤0.20 | -- | 0.40-1.06 | ≤0.025 | ≤0.025 | -- | 1.60-2.24 | 0.75-1.25 | -- | -- | -- |
| Grade10 | ≤0.20 | 0.10-0.35 | 1.15-1.50 | ≤0.030 | ≤0.015 | ≤0.15 | ≤0.25 | ≤0.015 | ≤0.50 | ≤0.12 | ≤0.06 |
| Grade11 | ≤0.10 | ≤0.035 | ≤0.60 | ≤0.025 | ≤0.025 | ≤0.50 | 35.0-37.0 | -- | ≤0.50 | -- | -- |