E 70 18–B2L–H4
AWS/ASME SFA-5.5 :E CrMo 1 B 20+
DIN 8575:E CrMo 1 B 42 H 10
EN 1599:Application/properties:
This basic electrode with low carbon weld metal is suitable for welding creep resistant steels (pressure vessels, boilers and pipes) up to 570°C. Heat treatment will be based on the base metal.
Weld metal analysis in % (typical values):
| C | Si | Mn | Cr | Mo |
|---|---|---|---|---|
| < 0.05 | 0.45 | 0.80 | 1.1 | 0.45 |
Mechanical Properties of all-weld metal:
| Heat treatment | Tensile Strength (N/mm2) | Yield Strength (N/mm2) | Elongation A4 (%) | Impact energy(j) ISO - V +20° |
|---|---|---|---|---|
| 1 h at 690°C | > 550 | > 460 | 22 | 150 |
| Welding Parameters | ||
|---|---|---|
| Diameter (mm) | Length (mm) | Amperage (A) |
| 2.5 | 350 | 60 - 85 |
| 3.25 | 450 | 100 - 130 |
| 4.0 | 450 | 140 - 180 |
| 5.0 | 450 | 190 - 230 |
Materials:
| DIN Standard | 13CrMo 4 4; 15CrMo 5; 16CrMo 4 4; 25CrMo 4; 24CrMo 5; GS-22CrMo 54; GS-17CrMo 55 |
| EN Standard | 13CrMo 4-5; 15CrMo 5; 42CrMo 4; 16CrMoV4; 25CrMo 4; 24CrMo 5; G22CrMo 5-4; G17CrMo 5-5 |
| ASTM Standard | A193 Gr. B7; A335 Gr. P11 a. P12; A217 Gr. WC6 |
Remarks:
