A351 · CN-3MN

For A351 · CN-3MN, astm specification is A351; class or grade is CN-3MN; esab preheat group is 250 max; esab-recommended smaw (stick) filler is OK 69.33/NiCrMo-3; esab-recommended gmaw/gtaw filler is Autrod/Tigrod 385/NiCrMo-3, verified against its source on 2026-09-16.

What the source says

A351 CF-3, CF-3A AR 308L Autrod/Tigrod 308L/308LSi CF-8, CF-8A AR 308/308H, OK 61.25 Autrod/Tigrod 308H CF-3M, CF-3MA AR 316L Autrod/Tigrod 316L/316LSi CF-8M AR 316/316H CF-8C OK 61.81/61.85 Autrod/Tigrod 347/347Si CF-10 AR 308/308H, OK 61.25 Autrod/Tigrod 308H CH-8, CH10 AR 309L Autrod/Tigrod 309L/309Si CH-20 AR 309/309H CK-20 OK 67.13 Autrod/Tigrod 310 CN-3MN 250 max OK 69.33/NiCrMo-3 Autrod/Tigrod 385/NiCrMo-3

— 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.