Regarding Post Heating or Post Baking

[Mohit Aggarwal]

Dear Experts,

Kindly share the standard or code in which there is mention about post Heating of Alloy Steep materials like 

SA 335 P5 and SA 335 P9 etc.

Regards,

Mohit Aggarwal

9821958461

[Prasad Rode]

Dear Sir,
post heating, it may or may not be mentioned in code, but it is good engineering practice to performed the post for 1 hr.

It prevents the joints from cold cracking.

[Kannayeram Gnanapandithan]

Check in ISO 1011-2

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[C.Muni]

Post heating is  required for P91 material to avoid cracks.Other materials not required

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[Kannayeram Gnanapandithan]

Muni, it is not like that only p91 required. Other Steel materials also required Based on CE, Hardness, thickness etc. Pl ref ISO1011-2 for further details information

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