Low Hydrogen

JACKSUN ULTRA 16

AWS A5.1: E7016

Basic coated, low-hydrogen electrode designed for high-quality welds in structural steels.
Provides excellent crack resistance, mechanical strength, and toughness.
Smooth and stable arc with low spatter and easy slag removal.
Produces X-ray quality welds with high reliability.
Suitable for all-position welding except vertical down.
Recommended for pressure vessels, boilers, bridges, pipelines, shipbuilding, and structural fabrication.

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

C	Mn	Si	S	Ni	Cr	P	Mo	V
≤ 0.15	≤1.60	≤ 0.75	≤ 0.030	0.30	0.20	≤ 0.035	0.30	0.08

2. Typical Mechanical Properties of Weld Metal

Property	UTS (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Toughness (J @ -30 °C)
Typical Values	520 – 570	430 – 470	25 – 32	40 – 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	60 – 90	AC / DC+	20 – 22	✔	✔
3.2	1/8	90 – 130	AC / DC+	22 – 24	✔	✔
4.0	5/32	120 – 170	AC / DC+	24 – 26	✔	✔
5.0	3/16	150 – 220	AC / DC+	26 – 28	✔	✔

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Tested for consistent performance.

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