Welding Wps Variables: EGW
ASME BPVC Section IX and AWS D1.1 welding procedure specification (WPS) essential, supplementary essential, and nonessential variables for 8 processes (SMAW, GMAW, GTAW, FCAW, SAW, ESW, EGW, PAW) with QW variable numbers, requalification requirements, and P-number applicability
| welding process | variable key | P number applicability | QW variable number | description | requalification required | typical range or limits | variable category | variable name | variable type |
|---|---|---|---|---|---|---|---|---|---|
| EGW | essential#QW-403.8 | all | QW-403.8 | Change in base metal thickness outside qualified range | yes | Per QW-451 | base_metal | Thickness range | essential |
| EGW | essential#QW-404.4 | all | QW-404.4 | Change in F-Number of consumable wire or guide | yes | EGW uses consumable guide electrode system; wire type and flux or gas system must match PQR | filler_metal | F-Number or electrode type change | essential |
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