Reference Source

A473 · 309S

For A473 · 309S, astm specification is A473; class or grade is 309S; esab-recommended smaw (stick) filler is AR 309L; esab-recommended gmaw/gtaw filler is Autrod/Tigrod 309L/309Si; esab-recommended saw (submerged arc) filler is 10.93/Autrod 309L, verified against its source on 2026-09-16.

ASTM specification
A473 verified
Class or grade
309S verified
ESAB-recommended SMAW (stick) filler
AR 309L verified
ESAB-recommended GMAW/GTAW filler
Autrod/Tigrod 309L/309Si verified
ESAB-recommended SAW (submerged arc) filler
10.93/Autrod 309L verified
ESAB-recommended FCAW (gas-shielded flux-cored) filler
SB 309L verified
ESAB-recommended FCAW (self-shielded flux-cored) filler
CB 309L verified
ESAB-recommended MCAW (metal-cored) filler
AR MC309L verified
Sourceassets.esab.com
Verified
Review by
DatasetESAB recommended filler metals and suggested preheat group, by ASTM steel grade

What the source says

A473 201, 302 AR 308/308H/308L, OK 61.25 Autrod/Tigrod 308H/308L/308LSi 202 AR 308/308H, OK 61.25 Autrod/Tigrod 308H 304, 308 AR 308/308H/308L, OK 61.25 Autrod/Tigrod 308H/308L/308LSi 304L AR 308L Autrod/Tigrod 308L/308LSi 305 AR 308/308H/309/309H, OK 61.25 Autrod/Tigrod 308H 309 AR 309/309H 309S AR 309L Autrod/Tigrod 309L/309Si

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, ESAB-recommended FCAW (gas-shielded flux-cored) filler, ESAB-recommended FCAW (self-shielded flux-cored) filler and ESAB-recommended MCAW (metal-cored) filler

10.93/Autrod 309L SB 309L CB 309L AR MC309L

— 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.