A743 · CK-20

For A743 · CK-20, astm specification is A743; class or grade is CK-20; esab-recommended smaw (stick) filler is OK 67.13; esab-recommended gmaw/gtaw filler is Autrod/Tigrod 310; esab-recommended saw (submerged arc) filler is 10.93/Autrod 310, verified against its source on 2026-09-16.

What the source says

A743 CF-8, CF-20 C AR 308/308H, OK 61.25 Autrod/Tigrod 308H CG-12, CH-10, CH-20 AR 309/309H CF-8M AR 316/316H CF-8C OK 61.81/61.85 Autrod/Tigrod 347/347Si CH-10 AR 309L Autrod/Tigrod 309L/309Si CK-20 OK 67.13 Autrod/Tigrod 310

— 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.