WeldTrace
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Free welding calculators

Useful calculations, with the assumptions made visible.

Use the free WeldTrace heat-input, carbon-equivalent and preheat calculators below.

Heat input — metric

Calculate non-waveform-controlled heat input in metric units for ASME IX and ISO 1011-1 workflows.

Heat input — English units

Calculate non-waveform-controlled heat input using English or US customary units for AWS workflows.

Carbon equivalent

Calculate carbon-equivalent values using EN 1011-2 methods A and B and the AWS D1.1 method.

Preheat — AWS D1.1

Determine preheat using the hydrogen-control method described in AWS D1.1 Annex B.

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