Mild Steel

JACKSUN ULTRA 24

AWS A5.1: E7024
  • Heavy-coated iron powder rutile electrode designed for high deposition welding.
  • Produces flat, smooth weld beads with excellent slag detachability.
  • Ideal for flat and horizontal fillet welds (not suitable for vertical or overhead).
  • Delivers very high deposition efficiency (up to 180% recovery).
  • Commonly used in structural fabrication, shipbuilding, tanks, bridges, and heavy steel constructions.
Technical Data

Product Specifications

1. Typical Chemical Composition

CMnSiSNiCrPMoV
≤ 0.15≤1.25≤ 0.90≤ 0.0300.300.20≤ 0.0350.300.08

2. Typical Mechanical Properties

PropertyUTS (MPa)Yield Strength (MPa)Elongation (%)Impact Toughness (J @ 0 °C)
Requirement≥ 490≥ 400≥ 17≥ 27
Typical Values500 – 570420 – 47020 – 2840 – 55

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

Size (mm)Size (inch)Current Range (A)PolarityVoltage (V)Packing (5 kg)Packing (20 kg)
3.21/8100 – 180AC / DC+22 – 26
4.05/32160 – 260AC / DC+24 – 28
5.03/16220 – 340AC / DC+26 – 30
6.01/4280 – 450AC / DC+28 – 32
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