Reference Source

A890 · 1A, 1B, 2A, 3A, 5A, 6A

For A890 · 1A, 1B, 2A, 3A, 5A, 6A, astm specification is A890; class or grade is 1A, 1B, 2A, 3A, 5A, 6A; esab-recommended smaw (stick) filler is OK 68.53; esab-recommended gmaw/gtaw filler is Autrod/Tigrod 2509; esab-recommended saw (submerged arc) filler is 10.93/Autrod 2509, verified against its source on 2026-09-16.

ASTM specification
A890 verified
Class or grade
1A, 1B, 2A, 3A, 5A, 6A verified
ESAB-recommended SMAW (stick) filler
OK 68.53 verified
ESAB-recommended GMAW/GTAW filler
Autrod/Tigrod 2509 verified
ESAB-recommended SAW (submerged arc) filler
10.93/Autrod 2509 verified
ESAB-recommended FCAW (gas-shielded flux-cored) filler
SB 2509 verified
Sourceassets.esab.com
Verified
Review by
DatasetESAB recommended filler metals and suggested preheat group, by ASTM steel grade

What the source says

A890 1A, 1B, 2A, 3A, 5A, 6A OK 68.53 Autrod/Tigrod 2509

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 that states them is shown here too.

ESAB-recommended SAW (submerged arc) filler and ESAB-recommended FCAW (gas-shielded flux-cored) filler

10.93/Autrod 2509 SB 2509

— all from assets.esab.com, retrieved 2026-09-16

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.