Reference Source

A242 · All

For A242 · All, astm specification is A242; class or grade is All; esab preheat group is A; esab-recommended smaw (stick) filler is AA 8018/8018-W; esab-recommended gmaw/gtaw filler is SA 75, recorded from its source on 2026-09-16.

ASTM specification
A242 verified
Class or grade
All verified
ESAB preheat group
A verified
ESAB-recommended SMAW (stick) filler
AA 8018/8018-W verified
ESAB-recommended GMAW/GTAW filler
SA 75 verified
ESAB-recommended SAW (submerged arc) filler
429/SA 75, 10.71/SA 75 verified
ESAB-recommended FCAW (gas-shielded flux-cored) filler
DS II80Ni1H4/810X Ni1/800X Ni1/8100W verified
ESAB-recommended FCAW (self-shielded flux-cored) filler
CS 8-Ni2 verified
ESAB-recommended MCAW (metal-cored) filler
CW 88HS Ni1 verified
Suggested preheat, low hydrogen (H8 and less), by thickness
T < .75: 70, .75 < T < 1.5: 70, 1.5 < T < 2.5: 150, T > 2.5: 225 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
Sourceassets.esab.com
Verified
Review by
DatasetESAB recommended filler metals and suggested preheat group, by ASTM steel grade

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

A242 All A AA 8018/8018-W SA 75

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, ESAB-recommended FCAW (self-shielded flux-cored) filler and ESAB-recommended MCAW (metal-cored) filler

429/SA 75, 10.71/SA 75 DS II80Ni1H4/810X Ni1/800X Ni1/8100W CS 8-Ni2 CW 88HS Ni1

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

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.