Impact Tough | Abrasion Resistant | Medium Alloy Hard Surface Build-Up
StarBlaze HF 550LH is a basic-type hard surfacing electrode designed for tough applications involving high impact, abrasion, and compressive stress. It delivers a pure weld metal hardness of 58–60 HRc, making it ideal for surfacing components subject to heavy wear and dynamic loading. Recommended for use on machine parts, beater bars, dredge teeth, scrapers, crusher jaws, and more.
Typical Weld Metal Chemical Composition (%)
| C | Si | Mn | Cr | V | Mo | Fe |
| 0.50 | 1.0 | 0.50 | 9.0 | 0.60 | 0.80 | Rem. |
Typical Mechanical Properties (All Weld Metal)
| Hardness |
| 58-60 HRc |
Recommended Welding Parameters
| Diameter (mm) | Amperage Range (A) |
| 3.15 | 90-120 |
| 4.00 | 140-180 |
| 5.00 | 180-240 |
Reviews
There are no reviews yet.