Nickle & Alloys

JACKSUN ALLOY Ni 70

AWS: ENiCrFe-3 (A5.11) ENiCrFe-3

JACKSUN ALLOY Ni 70 is a nickel-chromium-iron-based electrode designed for welding nickel alloys and high-temperature resistant alloys.
It provides superior corrosion and oxidation resistance, high mechanical strength at elevated temperatures, and excellent weld ductility.
Ideal for chemical processing plants, aerospace components, heat exchangers, and power generation equipment.

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

C	Mn	Si	Cr	Fe	Ni	P	S
≤ 0.10	5.0 – 9.5	≤ 1.0	13.0 – 17.0	≥ 10.0	≥59.0	≥ 0.03	≥ 0.03

2. Typical Mechanical Properties of Weld Metal

Property	UTS (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Toughness (J at RT)
Typical Values	570 – 620	300 – 350	32 – 36	55 – 70

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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