Low Hydrogen

JACKSUN ULTRA 16W

AWS A5.1: E7016
  • Special low hydrogen, basic coated electrode designed for welding of structural steels, pipelines, boilers, and water pipelines (W grade variant).
  • Produces welds with excellent toughness and crack resistance.
  • Smooth, stable arc with minimal spatter and easy slag detachability.
  • Designed for all-position welding (except vertical down).
  • Especially suitable for critical applications requiring X-ray quality welds in water pipelines, structural construction, and pressure vessels.
Technical Data

Product Specifications

1. Typical Chemical Composition

CMnSiSNiCrPMoV
≤ 0.150.40-1.60≤ 0.75≤ 0.0300.300.20≤ 0.0350.300.08

2. Typical Mechanical Properties

PropertyUTS (MPa)Yield Strength (MPa)Elongation (%)Impact Toughness (J @ -30 °C)
Requirement≥ 490≥ 400≥ 22≥ 27
Typical Values520 – 570430 – 47025 – 3245 – 65

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

Size (mm)Size (inch)Current Range (A)PolarityVoltage (V)Packing (5 kg)Packing (20 kg)
2.53/3260 – 90AC / DC+20 – 22
3.21/890 – 130AC / DC+22 – 24
4.05/32120 – 170AC / DC+24 – 26
5.03/16150 – 220AC / DC+26 – 28
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