Definition And Impact Temperature Of Cryogenic Pipe
1. Definition of cryogenic pipe
Cryogenic pipes are suitable for -45℃～-195℃ low temperature pressure vessel pipes and seamless steel pipes for low temperature heat exchanger pipes.
Product specifications: 8-1240×1-200mm<1/8”—48”×SCH5S—SCH160, STD, XS, XXS>
Product material: 16MnDG, 10MnDG, 09DG, 09Mn2VDG, 06Ni3MoDG,
ASTM A333-Grade1, Grade3, Grade4, Grade6, Grade7, Grade8, Grade9, Grade10, Grade11.
2. Impact temperature of cryogenic pipe
| level | Minimum impact test temperature | |
| ℉ | ℃ | |
| 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 | — | — |
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