HFM 22S
Basic electrode for creep-resistant steels
Product description
Low-hydrogen chromium-molybdenum basic electrode for welding steels of similar chemical composition. Creep-resistant deposit at high temperatures (up to 600°C). Good resistance to hot gases and superheated vapors.
Applications: High-temperature exchangers, tubes, steam boilers, superheaters, etc.
Product application instructions
| Steels and tubes for boilers and pressure vessels: |
EN: 17 CrMo 3 5 – 12 CrMo 19 5 – G X12 CrMo5
Werkstoff N°: 1.7332 – 1.7362 – 1.7363
ASTM: A387 Gr 5Cl1 and 2 – A199 Gr T5 – A182 Gr F5 – A213 G T5 A335 Gr P5 – A336 Gr F5 – A369 GrF5 – A217 Gr C5
Classification
| AWS A5.5 | AWS A5.4 | EN 1599 | ISO 3580 |
|---|---|---|---|
| E8018-B6 | E 502-15 | E CrMo5 B 42 | E5 Cr Mo B 20 |
Chemical analysis (%)
| C | If | Mn | Cr | Mo | S | P |
|---|---|---|---|---|---|---|
| <0.1 | 0.4 | 0.8 | 5.0 | 5.0 | <0.025 | <0.025 |
Mechanical characteristics
| Rm (MPa) | Rp0.2 (MPa) | A5 (%) | Av - ISO - V |
|---|---|---|---|
| >590 | >460 | >20 | +20°C >70 |
Why choose this basic electrode?
Vacuum-packed 5 or 6Kg electrode for welding highly stressed steel assemblies (carbon and carbon manganese) (tensile strength up to 510 MPa).
It features excellent mechanical properties, particularly at low temperatures.
