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  1. syedsamer

    Suitability of SAE 4140 for Low Temperature

    Dear All, We wish to use SAE 4140 steel for pressure vessel operating at -25 deg C. As i understand SAE/AISI 4140 is a low alloy austenitic steel. Can anyone tell me will SAE 4140 can withstand -25 degree C of temperature without any structural deformation? Thanks and regards Amer

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