Free welding tools
Choose a calculation, material reference, or procedure check.
AWS D1.1/D1.1M:2025 base edition + July 28, 2026 errata. AMD1 not included.
Heat input calculator
Calculate energy per weld length from conventional parameters or measured waveform energy.
CalculatePreheat calculator
Compare both materials and weld conditions to find the governing minimum temperature.
Materials & jointsBase metal lookup
Look up a material designation and its Table 5.6 group, including grade, product form and thickness limits.
Materials & jointsFiller metal selector
Compare a full AWS classification family with the Table 5.7 strength-group route for confirmed base metals and process.
Materials & jointsJoint selector
Filter the exact non-tubular AWS D1.1/D1.1M:2025 Figures 5.1 and 5.2 CJP/PJP rows by unit system, process and position.
Procedure & qualificationThickness range checker
Review selected plate PQR thickness paths or calculate the intersection of verified Clause 5 thickness limits.
Procedure & qualificationPrequalified WPS route checker
Record the main Clause 5 gates and identify known route failures or missing evidence.
Procedure & qualificationPQR support route checker
Separate Clause 5 eligibility, existing PQR coverage and confirmed need for new qualification testing.
Procedure & qualificationWPS variable change checker
Compare an operating change against the correct prequalified WPS or PQR route.
These tools expose the calculation basis and remaining conditions. A result is supporting information for procedure review; approval depends on the governing contract, complete records and Engineer requirements.
Send your project details and supporting records to get the right preparation route reviewed.