A554 · MT321, MT347
For A554, class or grade is MT321, MT347; esab-recommended smaw (stick) filler is OK 61.81/61.85; esab-recommended gmaw/gtaw filler is Autrod/Tigrod 347/347Si; esab-recommended saw (submerged arc) filler is 10.93/Autrod 347; esab-recommended fcaw (gas-shielded flux-cored) filler is SB 347, verified against its source on 2026-09-16.
- ASTM specification
- A554 verified
- Class or grade
- MT321, MT347 verified
- ESAB-recommended SMAW (stick) filler
- OK 61.81/61.85 verified
- ESAB-recommended GMAW/GTAW filler
- Autrod/Tigrod 347/347Si verified
- ESAB-recommended SAW (submerged arc) filler
- 10.93/Autrod 347 verified
- ESAB-recommended FCAW (gas-shielded flux-cored) filler
- SB 347 verified
What the source says
A554 MT301, MT 302, MT 304 AR 308/308H, OK 61.25 Autrod/Tigrod 308H MT305 AR 308/308H/309/309H, OK 61.25 Autrod/Tigrod 308H, MT309S AR 309L Autrod/Tigrod 309L/309Si MT310S OK 67.13 Autrod/Tigrod 310 MT316 AR 316/316H/316L Autrod/Tigrod 316L/316LSi MT316L AR 316L Autrod/Tigrod 316L/316LSi MT317 Autrod/Tigrod 317L MT321, MT347 OK 61.81/61.85 Autrod/Tigrod 347/347Si
— assets.esab.com, retrieved 2026-09-16
Where each value comes from
The values above are stated away from the sentence quoted with the answer, so the passage it comes from is shown here too.
ESAB-recommended SAW (submerged arc) filler and ESAB-recommended FCAW (gas-shielded flux-cored) filler
The source prints these values inside the passage below but does not name them there. The passage shows where each one appears; what ties them to this record is the position on the page, not anything the passage says.
10.93/Autrod 347 SB 347
— all from assets.esab.com, retrieved 2026-09-16
Source
- assets.esab.comhttps://assets.esab.com/assetbank-esab/assetfile/22174.pdf