§ WPS template
AWS D1.1:2025 SAW WPS for ASTM A992
How to draft an AWS D1.1:2025 Welding Procedure Specification for Submerged Arc Welding (SAW) on ASTM A992 Wide-Flange Structural Steel. Recommended filler: EM12K · F7A-EM12K. Below: process notes, base metal properties, prequalification path, typical parameters, and which essential variables to watch.
About SAW (Submerged Arc Welding)
Mechanized process with granular flux shielding the arc. Very high deposition rates, deep penetration, smooth bead profile. Limited to flat (1G/1F) and horizontal (2G/2F) positions because the flux falls under gravity. Multi-arc setups (tandem, twin) are common for production lines.
Process family: mechanized. Suited to: bridge plate girders, heavy structural shop welds, and similar work.
About ASTM A992
The current standard for wide-flange (W) shapes in US steel construction. Replaced A36 as the default for W-shapes circa 2003. Yield range controlled (50-65 ksi) for predictable seismic performance.
- AWS D1.1 Group (Table 6.9)
- Group I
- Yield (ksi)
- 50–65 (50 min)
- Tensile (ksi)
- 65 min
- Weldability
- good
Prequalification path
ASTM A992 (Group I) is on the prequalified base metals list for SAW per AWS D1.1:2025 Clause 5. A written WPS is still mandatory but no PQR test is required as long as every Clause 5 essential variable (joint geometry, filler, preheat, current/polarity, etc.) is met.
Preheat: Same as A572 Grade 50: 50°F to 3/4 in; 150°F from 3/4 in to 1-1/2 in; 225°F above (low-hydrogen).
Typical parameters
Starting points only. Verify against electrode manufacturer data and your PQR.
| Filler | EM12K · F7A-EM12K |
| Amperage | 350–800 A |
| Voltage | 28–36 V |
| Travel speed | 15–40 ipm |
| Position(s) typically qualified | 1G, 1F (flat only) |
Essential variables to watch (AWS D1.1:2025 Table 6.6)
If your shop is working from a PQR, these are the SAW-specific changes that require requalification per Table 6.6. The rule engine flags every one of them with the row number, clause reference, and the actual delta.
- Flux/wire classification change
- Filler diameter (any change)
- Number of electrodes (parallel/tandem)
- Heat input increase (CVN supp essential)
- Arc spacing > 10% or 1/8 in
Where SAW on ASTM A992 fits
- Wide-flange columns and beams (W-shapes)
- Special and moment-frame seismic applications
- Composite beams
- AISC 360 / 341 conforming structures
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FAQ
Does AWS D1.1:2025 prequalify SAW on ASTM A992?
Yes — ASTM A992 is on the Clause 5 prequalified base metals list and SAW is a Clause 5 prequalified process. You still need a written WPS but no PQR.
What filler is recommended for SAW on ASTM A992?
EM12K · F7A-EM12K. Verify against your project specification and the consumable manufacturer's data sheet. Filler classification change is a Table 6.6 essential variable.
What preheat does ASTM A992 need?
Same as A572 Grade 50: 50°F to 3/4 in; 150°F from 3/4 in to 1-1/2 in; 225°F above (low-hydrogen).