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Stainless Steel

JACKSUN NOVA 320

AWS A5.4: E320-16

JACKSUN NOVA 320 is a rutile-coated stainless steel electrode designed for welding alloy 320 (25Cr–20Ni–Nb stabilized austenitic stainless steel).

  • Provides weld metal with excellent resistance to oxidation, scaling, and high-temperature corrosion.
  • The presence of niobium ensures stabilization against carbide precipitation, improving resistance to intergranular corrosion.
  • Recommended for chemical processing plants, heat exchangers, furnace components, and petrochemical applications where service temperatures are high.
  • Weld deposit has an austenitic structure with niobium carbides, maintaining toughness and strength.
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Technical Data

Product Specifications

1. Typical Chemical Composition

CMnSiCrNiNb + TaMoCuPS
≤ 0.080.5 – 2.0≤ 1.019.0 – 21
.0		32.0 – 36.08 × C – 1.0 max2.0-3.03.0-4.0≤ 0.03≤ 0.02

2. Typical Mechanical Properties (As-Welded)

PropertyUTS (MPa)Yield Strength (MPa)Elongation (%)Impact Toughness (J @ RT)
Requirement≥ 550≥ 350≥ 30—
Typical Values600 – 650400 – 45032 – 3560 – 80

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 / DCEP20 – 22✔✔
3.21/880 – 120AC / DCEP22 – 24✔✔
4.05/32110 – 150AC / DCEP24 – 26✔✔
5.03/16140 – 190AC / DCEP26 – 28✔✔
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