20378 - O II
1.0494
A5.2 R60
CE, DB 70.045.04
Rod for gas welding. For joint welding in pipe and tank construction. Tough deposit.
Steels up to a yield strength of 275MPa (40 ksi).
S185, S235JR-S275JR
ASTM: A36, A106 grades A/B/C, A139 grade A, A210 grades A1/C, A216 grades WCA/WCB/WCC, A234 grade WPB
C: 0,09
Si: 0,15
Mn: 1,10
≥ 300
≥ 400
4d/5d: ≥ 20
RT ≥ 47
Preheat and PWHT are generally not necessary but actual requirements will depend on the grade and thickness of material being welded and any design codes that apply.
SAW: UP-99 (S1), UP-100 (S2), UP-101 (S3), UP-100Si (S2Si)
MIG/GMAW: ED-SG 1, ED-SG 1A, ED-SG 2, ED-SG 3
TIG/GTAW: WSG 1, WSG 1A, WSG 2, WSG 3
Gas welding: U 39 (G I), U 40 Ni (G II)