Hard Facing

JACKSUN ARMOUR 250

AWS: E1-UM-250

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.

1. Typical Chemical Composition of Weld Metal (% by weight)

C	Mn	Cr	Si
0.2 – 0.4	0.4-0.8	1.5 – 3.0	0.2 – 0.6

2. Typical Mechanical Properties of Weld Metal

Property	Hardness (HB)	Impact Toughness (J)
Typical Values	220-270	Moderate, depends on overlay

3. Dimension, Current Condition & Packing Data (SMAW Welding)

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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