Corstel 12A
“Grade 12” type base cobalt hardfacing electrode
Description & applications
Hardfacing electrode with a rutile-basic coating. Cobalt base deposit of « stellite grade 12 » type (Co-Cr-W). The deposit with a high hardness is characterized by a very good resistance to metal and mineral abrasion combined with corrosion and high temperature up to 800°C, in presence of moderate shocks. Highly resistant to erosion and cavitation. Highly recommended when an important hardness and for a deposit stressed by temperature, corrosion, abrasion and impact is searched. Excellent welding characteristics.
Hardfacing of tools for processing plastics, wood and paper (carton and paper cutting) characteristics, pressing tools, hot cut tools , hot shear blades, extrusion screws, ...
* Note : "Stellite" is a trade mark of Deloro Stellite (Haynes International).
Classification
| AWS A5.13 | DIN 8555 |
|---|---|
| E Co Cr-B | E20-UM-50-CTZ |
Typical weld metal composition (%)
| C | Si | Cr | W | Fe | Co |
|---|---|---|---|---|---|
| 1.6 | 1.0 | 29.0 | 8.5 | 3.0 | Rest |
All weld metal mechanical properties
| Hardness (as welded) + 20°C | Hardness (as welded) +600°C |
|---|---|
| 50 HRC | 38-40 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 |
|---|
