JACKSUN ARMOUR 250 is a high-alloy hard-facing electrode designed to deposit a wear-resistant, abrasion-proof layer on steel surfaces subjected to severe sliding and impact wear. Ideal for crusher parts, mill liners, excavator buckets, and earth-moving equipment.
| C | Mn | Cr | Si |
| 0.2 – 0.4 | 0.4-0.8 | 1.5 – 3.0 | 0.2 – 0.6 |
| Property | Hardness (HB) | Impact Toughness (J) |
| Requirement | 250 | N/A |
| Typical Values | 220-270 | Moderate, depends on overlay |
| Size (mm) | Size (inch) | Current Range (A) | Polarity | Voltage (V) | Packing (5 kg) | Packing (20 kg) |
| 3.2 | 1/8 | 90 – 130 | DC+ | 22 – 24 | ✔ | ✔ |
| 4.0 | 5/32 | 120 – 180 | DC+ | 24 – 26 | ✔ | ✔ |
| 5.0 | 3/16 | 160 – 220 | DC+ | 26 – 28 | ✔ | ✔ |
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