Low Alloy High Tensile

JACKSUN ULTRA 8018 C3

AWS A5.5: E8018 C3 EN ISO 2560-A: E 50 5 B 42 C3 EN ISO 2560-B: E4918 C3

Premium low-alloy, high tensile electrode designed for critical structural and offshore steel applications.
C3 grade provides enhanced nickel content and better toughness in low-temperature environments.
Excellent arc stability, smooth weld bead, and high deposition efficiency.
Suitable for AC and DC+ polarity welding.
Delivers high-strength, crack-resistant welds in low-temperature service.

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

C	Mn	Si	Ni	S	P	Cr	Mo
≤ 0.12	0.40 – 1.25	0.8 – 1.2	0.80-1.10	≤ 0.025	≤ 0.025	0.15	0.35

2. Typical Mechanical Properties of Weld Metal

Property	UTS (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Toughness (J @ 0 °C)
Typical Values	620 – 670	530 – 580	22 – 28	55 – 80

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	60 – 100	AC / DC+	20 – 22	✔	✔
3.2	1/8	90 – 140	AC / DC+	22 – 24	✔	✔
4.0	5/32	130 – 190	AC / DC+	24 – 26	✔	✔
5.0	3/16	180 – 250	AC / DC+	26 – 28	✔	✔

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