A473 · 309

For A473 · 309, astm specification is A473; class or grade is 309; esab-recommended smaw (stick) filler is AR 309/309H, verified against its source on 2026-08-19.

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

— assets.esab.com, retrieved 2026-08-19

Source

• assets.esab.comhttps://assets.esab.com/assetbank-esab/assetfile/22174.pdf

Last verified against source: 2026-08-19. Due for re-check by 2028-08-18. This page as Markdown · OKF bundle · full dataset as JSON.