Nickle & Alloys

JACKSUN ALLOY NiCu

AWS: ENiCu-7 (A5.11) ENiCu-7

JACKSUN ALLOY NiCu is a nickel-copper-based electrode designed for welding nickel-copper alloys and corrosion-resistant alloys.
It provides excellent resistance to seawater, chemical attack, and oxidizing environments.
Ideal for applications in marine engineering, chemical processing, desalination plants, and heat exchangers.

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

C	Mn	Si	Cu	Ni	Fe
≤ 0.15	≤ 4.0	≤ 1.5	Balance	≤ 62	≤ 2.5

2. Typical Mechanical Properties of Weld Metal

Property	UTS (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Toughness (J at RT)
Typical Values	460 – 500	260 – 300	32 – 36	45 – 60

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

Size (mm)	Size (inch)	Current Range (A)	Polarity	Voltage (V)	Packing (5 kg)	Packing (20 kg)
2.5	3/32	50 – 90	AC / DCEP	20 – 24	✔	✔
3.2	1/8	80 – 130	AC / DCEP	22 – 28	✔	✔
4.0	5/32	110 – 160	AC / DCEP	24 – 30	✔	✔
5.0	3/16	140 – 200	AC / DCEP	26 – 32	✔	✔

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