SPARC-HARD 250 is a medium heavy coated rutile type electrodes of air hardening type for hard surfacing on mild steel, carbon steel and low alloys steel, suitable for parts subjected to friction and moderate impact.
CURRENT CONDITION ac 70/DC(±) |
TYPICAL WELD METAL PROPERTIES |
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|---|---|---|---|---|---|---|---|
| Size (mm) | Amps
| Chemical Composition |
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| Elements | % (Max) | Hardness:(on 2 layer deposit) 250 BHN approx | |||||
| 5.00 x 450 | 180-220 |
C | 0.20 | ||||
| 4.00 x 450 | 140-180 |
Mn | 0.60 | ||||
| 3.15 x 450 | 100-120 |
Si | 0.40 | ||||
| Cr. | 1.30 | ||||||
