Temperature range of duplex stainless steel S2205

2020-05-26View Original

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When consulting Volume II, Section D of the ASME Handbook for the maximum allowable stress value of S32205, only data at a minimum temperature of 40°C is available. How should stress data be used if the design operates at -40°C? Also, may I ask how to find out the minimum operating temperature of the material? Thank you all!

Reply #22020-05-29

I’m not sure what standards you use for design; according to GB150, the lower limit for the austenite-ferrite temperature of steel plates used for pressure-bearing components is -20°.

Reply #32020-10-09

This is mainly based on practical conditions; it’s not just 20 degrees.

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Temperature range of duplex stainless steel S2205

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