Hardfacing Electrodes
D&H 535
AWS: SFA
EN ISO CODE:
- A heavy coated, hydrogen controlled, all conventional position electrode depositing low alloy weld metal.
- The electrode gives soft & smooth arc which is easy to strike & re-strike.
- Superior operating characteristics with easy slag detachability.
- The welds are of radiographic quality.
- For surfacing of hot forging dies.
- For repairs of large hot working dies and earth moving equipments made of high tensile steel.
- Repair of case hardening steel parts after removing the hard zones, for repairing cracks in Ni-Cr hot working dies.
Approvals
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL
| Element | C | Mn | Si | Cr | Ni | Mo | V |
| Percent | 0.09 | 1.55 | 0.45 | 2.80 | 2.25 | 1.20 | 0.30 |
WELD METAL HARDNESS (ON 3 LAYERS)
After SR 560°C for one hour: 36-39 RC
CURRENT AND PACKING DATA: AC / DC(+)
Size (mm) Dia x Length | 8x450 | 6.3x450 | 5x450 | 4x450 |
| Current Range (Amps) | 300-350 | 250-280 | 200-250 | 150-180 |
| Weight / Carton (kgs) | 5 | 5 | 5 | 5 |
