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BOR-B is a rutile coated electrode producing an air hardening type weld metal for hardfacing of carbon and low alloy steels. The weld metal is highly resistant to abrasive wear and has a fair degree of toughness. Ideally suited for applications in which abrasion resistance is required with a fair degree of toughness. Typical applications include brake shoes, shear blades, wheels, cams, gears, pulleys, drive sprockets, etc.
1. Ensure the electrodes are dry. Re-dry the electrodes at 150°C for one hour.
2. Maintain short arc and avoid weaving.
3. Use suitable buffer layers and preheating, depending on the material composition and thickness.
Element | C | Mn | Si | Cr |
Percent | 0.25 | 0.60 | 0.40 | 2.80 |
350-400 BHN
Size (mm) | 5x450 | 4x450 | 3.15x450 | 2.5x350 |
Current Range (Amps) | 180-220 | 140-180 | 100-130 | 65-90 |
Weight / Carton (kgs) | 40 | 70 | 100 | 150 |