HARD FACING (High Abrasion)
NEXA HARD-3LH
For High Abrasion & Moderate Impact
Proprietary
Applications
- Crushers and hammers
- Excavator teeth
- Shear blades
- Metal to mineral wear application
- Crane wheels, Caterpillar treads
- Bulldozer blades, Bucket lip
- Bamboo chipper knives
- Dis-integrator hammers
Characteristics
- Basic type coating C, Mn, Si, Cr
- Air hardenable non machinable weld
- Recommended buffer layer of NEXA 7016 on hard base materials
- Resistance against high stress abrasion and friction
- Can withstand moderate impact
- Resistant to spalling and cracking
Mechanical Properties
| Hardness (BHN) | Layers |
|---|---|
| 560-600 | Three Layers |
Welding Currents (AC (80 OCV)/DCEP)
| 3.15 x 450 mm | 4.0 x 450 mm | 5.0 x 450 mm |
|---|---|---|
| 100-130 | 150-180 | 200-240 |
Product Specifications
Current Type
AC (80 OCV)/DCEP
Packaging
- Standard carton packing of 20 kg box containing 4 cartons of 5 kg each.
Conditions (Pre-Drying)
- 250°C for min. 1hr