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    Welding Heat Input Calculator (kJ/mm)

    Can this replace WPS/PQR requirements?

    No. This is a planning and QA estimate. Production welding still requires qualified procedures and compliance with project code/specification limits for heat input, interpass temperature, and metallurgy controls.

    Run the numbers for your project

    Use the Welding Heat Input Calculator (kJ/mm) to get an exact answer for your inputs.

    Open the calculator

    Related questions

    Estimates and general guidance only. Verify against your local code and AHJ before any installation. Gas, electrical, and refrigerant work is hazardous to untrained users.

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