A511 · MT305

For A511 · MT305, astm specification is A511; 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.

What the source says

A511 MT302 AR 308/308H/308L, OK 61.25 Autrod/Tigrod 308H/308L/308LSi MT304 AR 308/308H/308L, OK 61.25 Autrod/Tigrod 308H/308L/308LSi MT304L AR 308L Autrod/Tigrod 308L/308LSi 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 that states it is shown here too.

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

Source

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

Last verified against source: 2026-09-16. Due for re-check by 2028-09-15. This page as Markdown · OKF bundle · full dataset as JSON.