STARBLAZE HF III
A rutile type hardfacing electrode designed for producing tough-hard surfacing deposits with excellent resistance to impact, compression, and abrasion. StarBlaze HF III is suitable for rebuilding and protecting unalloyed and low alloy steels subjected to severe wear conditions. The deposited weld metal combines high hardness with moderate impact resistance, making it ideal for extending the service life of wear-prone industrial components. It delivers excellent running characteristics and consistent hardfacing performance across demanding applications.
Available Packs
Dimensions: 3.15 mm x 450 mm, 4.00 mm x 450 mm, 5.00 mm x 450 mm
Pack Sizes: 2.5 Kg Pouch, 4 Kg Box, 5 Kg Box
Master Box: 20 Kg, 30 Kg, 40 Kg, Customisable packaging available on request
Hardness of 57–61 HRc in pure weld metal
Excellent abrasion resistance
Good impact resistance
Resistant to compression wear
Excellent running performance
Suitable for rebuilding worn components
Tough-hard weld deposits
Reliable performance on unalloyed and low alloy steels
Extended service life of wear parts
Suitable for AC and DC+ polarity
Mining and Quarrying
Cement Industry
Construction Equipment Manufacturing
Steel Processing Plants
Heavy Engineering Industries
Material Handling Equipment
Agricultural Equipment Manufacturing
Industrial Maintenance and Repair
Manual Metal Arc Welding (MMA/SMAW) hardfacing applications
Wear protection surfacing
Rebuilding worn machine components
Abrasion resistant overlay welding
Impact and compression resistant surfacing
Maintenance and reclamation welding
Recommended for mixer blades, dipper teeth, metal cutting tools, forming tools, dies, drilling bits, punches, shears, croppers, crusher hammers, crane wheels, and conveyor buckets
Use a short arc during welding
For crack-sensitive materials, a buffer layer of 18/8 Mn type electrode is recommended
Low alloy and high carbon tool steels should be preheated to 200–400°C depending on composition and thickness
Allow slow cooling in still air after surfacing
Provides an excellent balance of abrasion resistance and moderate impact resistance
Suitable for hardfacing applications where component life extension is required
Product Details
Typical Chemical Composition (%)
| C | Si | Mn | Cr | V | Mo | Fe |
| 0.56 | 0.35 | 0.60 | 7.00 | 0.60 | 0.60 | Balance |
Typical Mechanical Properties (All Weld Metal)
| Property | Value |
| Hardness (HRc) | 57 – 61 |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 3.15 | 90-120 |
| 4.00 | 140-180 |
| 5.00 | 180-240 |
