Thickness range checker

Review selected plate PQR thickness paths or calculate the intersection of verified Clause 5 thickness limits.

View result ↓

Coverage path

Which record are you checking?

Code unit system

Existing plate PQR

Weld qualification test type

Test plate thickness T optional

PJP test groove depth D optional

This is groove depth. It does not replace test plate thickness T.

Was the CJP test a square groove? optional

Was the square-groove test backgouged? optional

Fillet test mode optional

Tested fillet size optional

Proposed production fillet size optional

Test position optional

Use the record’s exact test-position designation, for example 1F.

Proposed production position optional

Enter the intended position code; a plug/slot test covers only positions tested.

Test coupon T2 thickness optional

Proposed plug/slot T1 optional

Proposed plug/slot T2 optional

Prequalified WPS verified limits

Material lower limit

Material minimum thickness optional

Material upper limit

Material maximum thickness optional

Joint detail lower limit

Joint detail minimum thickness optional

Joint detail upper limit

Joint detail maximum thickness optional

Process / consumable lower limit

Process / consumable minimum thickness optional

Process / consumable upper limit

Process / consumable maximum thickness optional

Project minimum limit

Project minimum thickness optional

Project maximum limit

Project maximum thickness optional

Proposed production thickness to check optional

Optional comparison against the verified intersection.

RESULTExample

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Choose the conditions to see the result.

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Scope & references AWS D1.1 / D1.1M:2025

2025 base edition with July 28, 2026 errata. AMD1 not included.

Selected plate-based thickness branches only. Does not evaluate full essential variables, each process deposited-metal thickness, tubular Table 10.8 qualifications, complete material combinations, test acceptance, welder performance qualification or full WPS applicability.

AWS D1.1/D1.1M:2025 Clause 6, Tables 6.1–6.5

Plate position and base-metal thickness qualification ranges for CJP, PJP, fillet, plug and slot test paths.

AWS D1.1/D1.1M:2025 Clause 5

Prequalified WPS applicability is the intersection of confirmed material, joint-detail, process/consumable and project restrictions.