Hard Facing

JACKSUN ARMOUR 550

AWS: E1-UM-60 Not applicable (specific to AWS E1 series)

JACKSUN ARMOUR 550 is a high-performance hard-facing electrode designed to provide extreme wear resistance for severe abrasion and moderate impact applications. Ideal for crusher parts, hammers, earth-moving equipment, and heavy-duty machinery.

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

C	Cr	Si	Mn
0.2 – 0.5	5.0 – 9.0	2.3	1.80

2. Typical Mechanical Properties of Weld Metal

Property	Hardness (HB)	Impact Toughness (J)
Typical Values	520 – 580	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	80 – 120	DC+	22 – 24	✔	✔
4.0	5/32	110 – 170	DC+	24 – 26	✔	✔
5.0	3/16	150 – 210	DC+	26 – 28	✔	✔

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