E 8018–G–H8
AWS/ASME SFA-5.5:Application/properties:
This basic electrode with low carbon weld metal, is suitable for resistant and hydrogen resistant steels (boilers, vessels and pipes), up to working temp of 600°C. Its weld metal is tough and resistant to work embitterment.
Weld metal analysis in % (typical values):
| C | Mn | Si | P | S | Cr | Mo | V |
|---|---|---|---|---|---|---|---|
| 0.05 - 0.12 | < 0.9 | < 0.4 | < 0.02 | < 0.02 | 1 - 1.5 | 0.8 | 0.4 |
Mechanical Properties of all-weld metal:
(single values are typical values)
| Tensile Strength (N/mm2) | Yield Strength (N/mm2) | Elongation A4, (%) | Impact Energy (J) ISO-V |
|---|---|---|---|
| > 630 | > 550 | > 17 | +20°C: > 100 |
| Welding Parameters | ||
|---|---|---|
| Diameter (mm) | Length (mm) | Amperage (A) |
| 2.5 | 350 | 60 - 85 |
| 3.25 | 450 | 100 - 135 |
| 4.0 | 450 | 140 - 185 |
| 5.0 | 450 | 180 - 220 |
Materials:
| DIN Standard | 13CrMo 4 5; 25CrMo 4; 14CrMo 4 5; 16MnCr 5, ST37.3 – ST52.3; STE290.7 – STE415.7 |
| EN Standard | S235J2G3; S355J2G3; L290NB – L415NB; L290MB; P235GH |
| ASTM Standard | A182 Gr. F12-1; A213 Gr. T12; A250 Gr. T12; A335 Gr. P12; A387 Gr. 11,12; A506 Gr. 4130; A507 Gr. 4130; A513 Gr. 4130; A519 Gr. 4130; A752 Gr. 4130; A866 Gr. 4130 |
Remarks:
