E 90 18– B3L–H8
AWS/ASME SFA – 5.5:E CrMo 2 B 20+
DIN 8575 :E CrMo 2 B 42 H10
EN 1599 :Application/properties:
Basic electrode with low carbon weld metal , suitable for creep resistant and Hydrogen resistant steels (boiler, vessels and pipes) up to working temperature of 600°C. It’s weld metal is tough and resistant to work embitterment.
| C | Mn | Si | S | P | Cr | Mo |
|---|---|---|---|---|---|---|
| <0.05 | 0.7 | 0.3 | <0.02 | <0.02 | 2.3 | 1 |
| Tensile Strength ( N/mm 2 ) | Yield Strength ( N/mm 2 ) | Elongation A4 %) | Impact energy (J) ISO - V 20°C+ | Heat treatment |
|---|---|---|---|---|
| ≥620 | > 530 | >17 | 150 | 1 h at 690°C |
| Welding Parameters | ||
|---|---|---|
| Diameter (mm) | Length (mm) | Amperage (A) |
| 2.5 | 350 | 60 – 90 |
| 3.25 | 450 | 85 – 130 |
| 4.0 | 450 | 140 – 180 |
| 5.0 | 450 | 190 – 230 |
| DIN Standard | 10CrMo 9 10, 10 CrSiMo V 7, 24 CrMo 10; GS- 12 CrMo 9 10, GS – 19 CrMo 9 10 |
| EN Standard | 10CrMo 9 10, 10 CrSiMo V 7; G17 CrMo 9 10 |
| ASTM Standard | A355 Gr. P22; A217 Gr.WC9. |
required at 300°C to 350°C for 2 hours.
