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Low Temperature Steel Service Range
- Aug 16, 2018 -

Low temperature steel in liquefied petroleum gas (LPG) cryogenic separation equipment, most of the lowest temperature to - 110 ℃, individual equipment zhong da - 150 ℃, respectively using low alloy steel, 3 ~ 6% nickel steel or 9% nickel steel.In air separation equipment, the lowest working temperature 196 ℃ -, generally USES 9% nickel steel and austenitic steel at low temperature.Working temperature for the survey - 253 ℃ of liquid hydrogen production, equipment, working temperature for liquid helium equipment - 269 ℃, all should adopt organizational structure stability of austenitic steel at low temperature.For some special equipment, such as superconducting magnets or superconducting motors, it is advisable to use a type of steel which, in addition to having a stable austenite structure, should be able to maintain a very low magnetic conductivity (i.e.

Some ferro-nickel and nickel-base superalloys with higher low temperature toughness such as a-286, Inconel718 and inconelx-750 are also commonly used in low temperature equipment requiring high strength.