A672 · K75, L65, L70, N75
For A672 · K75, L65, L70, N75, astm specification is A672; class or grade is K75, L65, L70, N75; esab preheat group is B; esab-recommended smaw (stick) filler is AA 7018-Mo; esab-recommended gmaw/gtaw filler is SA 83, recorded from its source on 2026-09-16.
- ASTM specification
- A672 verified
- Class or grade
- K75, L65, L70, N75 verified
- ESAB preheat group
- B verified
- ESAB-recommended SMAW (stick) filler
- AA 7018-Mo verified
- ESAB-recommended GMAW/GTAW filler
- SA 83 verified
- ESAB-recommended SAW (submerged arc) filler
- 429/Autrod 12.24, 10.62/Autrod 12.24 verified
- ESAB-recommended FCAW (gas-shielded flux-cored) filler
- DS 7000-A1 verified
- ESAB-recommended MCAW (metal-cored) filler
- CW 80D2 verified
- Suggested preheat, low hydrogen (H8 and less), by thickness
- T < .75: 70, .75 < T < 1.5: 125, 1.5 < T < 2.5: 200, T > 2.5: 300 our reading
- Suggested preheat, hydrogen above H8, by thickness
- T < .75: 175, .75 < T < 1.5: 225, 1.5 < T < 2.5: 275, T > 2.5: 300 our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
A672 A45, A50, A55 A Group 1, AA 7018/7018 Acclaim Group 1 B55, B60 A AA 7018/7018 Acclaim Group 1 B65, B70 A AA 7018/7018 Acclaim Group 1 C55, C60 A AA 7018/7018 Acclaim Group 1 C65, C70 A AA 7018/7018 Acclaim Group 1 D70 A AA 7018/7018 Acclaim/8018 Group 1 D80 A AA 8018/8018-SR SA 75/83 H75, H80, J80 , J90 C AA 8018-NM J100 A AA T SA 95 K75, L65, L70, N75 B AA 7018-Mo SA 83
— assets.esab.com, retrieved 2026-09-16
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
ESAB-recommended SAW (submerged arc) filler, ESAB-recommended FCAW (gas-shielded flux-cored) filler and ESAB-recommended MCAW (metal-cored) filler
429/Autrod 12.24, 10.62/Autrod 12.24 DS 7000-A1 CW 80D2
Suggested preheat, low hydrogen (H8 and less), by thickness and Suggested preheat, hydrogen above H8, by thickness
Preheat A B C D Low Hydrogen H8 and less T < .75 70 70 200 300 .75 < T < 1.5 70 125 300 400 1.5 < T < 2.5 150 200 300 400 T > 2.5 225 300 350 500 Hydrogen > H8 T < .75 175 175 NR NR .75 < T < 1.5 225 225 NR NR 1.5 < T < 2.5 275 275 NR NR T > 2.5 300 300 NR NR
— all from assets.esab.com, retrieved 2026-09-16
Source
- assets.esab.comhttps://assets.esab.com/assetbank-esab/assetfile/22174.pdf