Enlisting all preheat & PWHT requirements

Materials Science, Metallurgy, Welding, NDTs, Reliability Assessment, Failure Analysis, etc.
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Dlew
Posts: 15
Joined: 03 Aug 2025, 12:51
Area of interest: Mechanical Engineering

Enlisting all preheat & PWHT requirements

Post by Dlew »

Is there any website having a complete list of all ASME materials with their preheat & PWHT requirements as per all different construction codes?
arcpro
Posts: 356
Joined: 16 Apr 2010, 18:46
Area of interest: Manufacturing Engineering

Re: Enlisting all preheat & PWHT requirements

Post by arcpro »

The charts are readily available to have these temperature ranges however directly looking into the code is recommended.
ben
Posts: 214
Joined: 24 Aug 2010, 03:11
Area of interest: Mechanical Engineering

Re: Enlisting all preheat & PWHT requirements

Post by ben »

You can use the following link to know preheat temperature.
I am not sure about the code compliance but a very useful calculator.
https://www.migal.co/en/service/welding ... calculator
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