A778 · TP321, TP347

For A778 · TP321, TP347, astm specification is A778; class or grade is TP321, TP347; esab-recommended smaw (stick) filler is OK 61.81/61.85; esab-recommended gmaw/gtaw filler is Autrod/Tigrod 347/347Si; esab-recommended saw (submerged arc) filler is 10.93/Autrod 347, verified against its source on 2026-09-16.

What the source says

A778 TP304L AR 308L Autrod/Tigrod 308L/308LSi TP316L AR 316L Autrod/Tigrod 316L/316LSi TP317L Autrod/Tigrod 317L TP321, TP347 OK 61.81/61.85 Autrod/Tigrod 347/347Si

— 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.

— 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.