Corstel 6A
“Grade 6” type base cobalt hardfacing electrode for refilling
Description & applications
Hardfacing electrode with a rutile-basic coating. Cobalt base deposit of « stellite grade 6 » type (Co-Cr-W). The deposit is highly resistant to metal-metal wear and to corrosion up to 800°C. High resistance to thermal and mechanical shocks. Good aptitude to polishing and to machining - Soft arc - Easy to remove slag, regular and smooth weld profile.
Hardfacing of valves, valve seats and sealing surfaces, hot shears blades, hot pressing tools, beaters for coke pulverises
* Note: "Stellite" is a trade mark of Deloro Stellite (Haynes International).
Classification
| AWS A5.13 | DIN 8555 |
|---|---|
| E Co Cr-A | E20-UM-45-CRTZ |
Typical weld metal composition (%)
| C | Si | Cr | W | fe | Co |
|---|---|---|---|---|---|
| 1.1 | 1.0 | 28.0 | 4.5 | 3.0 | Rest |
All weld metal mechanical properties
| Hardness (as welded) + 20°C | Hardness (as welded) +600°C |
|---|---|
| 40-45 HRC | 30 HRC |
Packaging data
| Dimension | 2.5x350 | 3.2x350 | 4.0x350 | 5.0x350 |
|---|---|---|---|---|
| Electr. / packet | - | - | - | - |
| Electr. / carton | - | - | - | - |
| Kg 1000 electr. | - | - | - | - |
| Packets / carton | 4 | 4 | 4 | 4 |
| Kg / packet | 5 | 5 | 5 | 5 |
| Kg / carton | 20 | 20 | 20 | 20 |
Amperes
| A | 75 | 100 | 140 | 180 |
|---|
