Hard Facing

JACKSUN ARMOUR II LH

AWS: E1-UM-400S

JACKSUN ARMOUR II LH is a low-hydrogen, premium hard-facing electrode designed for high wear and impact-resistant applications.
The E1-UM-400S series delivers longer deposit life and enhanced toughness, suitable for heavy-duty industrial components exposed to both abrasion and shock loads.

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

C	Cr	Si	Mn
0.2 – 0.4	2.5 – 3.50	≥ 0.60	≥ 1.00

2. Typical Mechanical Properties of Weld Metal

Property	Hardness (HB)	Impact Toughness (J)
Typical Values	400 – 630	High, suitable for combined abrasion & impact

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 – 130	DC+	22 – 24	✔	✔
4.0	5/32	120 – 180	DC+	24 – 26	✔	✔
5.0	3/16	150 – 220	DC+	26 – 28	✔	✔

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