Weld chart for aisi material?

bryansonnier · Nov 23, 2020

So i've found a website that lists the P-numbers of base material (

). This covers asme materials. Is there a comparable chart for aisi materials like 4140? The welding shop we use can weld all p1 materials like 1018 to a105 and such but what about 4140 to a105?

MJCronin · Nov 25, 2020

Step one is to pick a "Code of Record"... also review your client's contract requirements

The welding requirements come from your selected code

Are you building/welding something in conformance with ASME-VIII, or AISC or API ? ... Select your construction code and review requirements.

I am not aware of any "P-number" system existing outside of ASME rules

MJCronin
Sr. Process Engineer

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Weld chart for aisi material?

bryansonnier

Mechanical

MJCronin

Mechanical

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