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Stainless Steel

JACKSUN NOVA 2593

AWS A5.4: E2593-16

JACKSUN NOVA 2593 is a rutile-coated super duplex stainless steel electrode, classified under AWS A5.4 E2593-16 and EN ISO 3581-A E 25 9 4 N L R 26.

  • Specifically designed for welding super duplex stainless steels (UNS S32750 / S32760).
  • Weld metal has a balanced ferrite-austenite structure, offering very high strength and excellent corrosion resistance.
  • Superior resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-bearing environments.
  • Provides higher PREN (>40) compared to standard duplex (E2209, E2553).
  • Widely used in desalination plants, offshore platforms, marine industry, and chemical process equipment.
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Technical Data

Product Specifications

1. Typical Chemical Composition

CMnSiCrNiMoNCuPSCu
≤ 0.040.5 – 1.5≤ 0.824.0 – 27.08.0 – 10.53.0 – 4.50.08 – 0.30≤ 1.0≤ 0.03≤ 0.021.5-2.5

2. Typical Mechanical Properties (As-Welded)

PropertyUTS (MPa)Yield Strength (MPa)Elongation (%)Impact Toughness (J @ –40°C)Ferrite Content (FN)
Requirement≥ 750≥ 550≥ 15—30 – 55
Typical Values780 – 850580 – 62018 – 32> 6035 – 45

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

Size (mm)Size (inch)Current Range (A)PolarityVoltage (V)Packing (5 kg)Packing (20 kg)
2.53/3270 – 100AC / DCEP20 – 22✔✔
3.21/890 – 130AC / DCEP22 – 24✔✔
4.05/32120 – 170AC / DCEP24 – 26✔✔
5.03/16160 – 210AC / DCEP26 – 28✔✔
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