A554 · MT305
For A554, class or grade is MT305; esab-recommended smaw (stick) filler is AR 308/308H/309/309H, OK 61.25; esab-recommended gmaw/gtaw filler is Autrod/Tigrod 308H,; esab-recommended fcaw (gas-shielded flux-cored) filler is SB 308H, verified against its source on 2026-09-16.
- ASTM specification
- A554 verified
- Class or grade
- MT305 verified
- ESAB-recommended SMAW (stick) filler
- AR 308/308H/309/309H, OK 61.25 verified
- ESAB-recommended GMAW/GTAW filler
- Autrod/Tigrod 308H, verified
- ESAB-recommended FCAW (gas-shielded flux-cored) filler
- SB 308H 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,
— assets.esab.com, retrieved 2026-09-16
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage it comes from is shown here too.
ESAB-recommended FCAW (gas-shielded flux-cored) filler
The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.
SB 308H
— all from assets.esab.com, retrieved 2026-09-16
Source
- assets.esab.comhttps://assets.esab.com/assetbank-esab/assetfile/22174.pdf