A672 · H75, H80, J80 , J90
For A672 · H75, H80, J80 , J90, astm specification is A672; class or grade is H75, H80, J80 , J90; esab preheat group is C; esab-recommended smaw (stick) filler is AA 8018-NM; esab-recommended saw (submerged arc) filler is 10.62/SA 44, recorded from its source on 2026-09-16.
- ASTM specification
- A672 verified
- Class or grade
- H75, H80, J80 , J90 verified
- ESAB preheat group
- C verified
- ESAB-recommended SMAW (stick) filler
- AA 8018-NM verified
- ESAB-recommended SAW (submerged arc) filler
- 10.62/SA 44 verified
- ESAB-recommended FCAW (gas-shielded flux-cored) filler
- DS II 4130SR verified
- Suggested preheat, low hydrogen (H8 and less), by thickness
- T < .75: 200, .75 < T < 1.5: 300, 1.5 < T < 2.5: 300, T > 2.5: 350 our reading
- Suggested preheat, hydrogen above H8, by thickness
- T < .75: NR, .75 < T < 1.5: NR, 1.5 < T < 2.5: NR, T > 2.5: NR 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
— 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 and ESAB-recommended FCAW (gas-shielded flux-cored) filler
10.62/SA 44 DS II 4130SR
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