Reference Source

A240 · 309S

For A240 · 309S, astm specification is A240; 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
A240 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
Sourceassets.esab.com
Verified
Review by
DatasetESAB recommended filler metals and suggested preheat group, by ASTM steel grade

What the source says

A240 201, 301, 302, 304 AR 308/308H, OK 61.25, AR 308L Autrod/Tigrod 308H/308L/308LSi 201L, 301L, 301LN, 304L, 304LN AR 308L Autrod/Tigrod 308L/308LSi 202, 304H, 304N AR 308/308H, OK 61.25 Autrod/Tigrod 308H 305 AR 308/308H, OK 61.25, AR 309/309H Autrod/Tigrod 308H 309H 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 and ESAB-recommended FCAW (self-shielded flux-cored) filler

10.93/Autrod 309L SB 309L CB 309L

— 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.