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Stainless Steel

JACKSUN NOVA 2553

AWS A5.4: E2553-16

JACKSUN NOVA 2553 is a rutile-coated duplex stainless steel electrode, classified under AWS A5.4 E2553-16 and EN ISO 3581-A E 25 9 3 N L R 26.

  • Designed for welding duplex stainless steels (UNS S31803 / S32205) and similar grades.
  • Weld metal contains a balanced microstructure of austenite + ferrite, giving high strength with excellent corrosion resistance.
  • Excellent resistance to stress corrosion cracking, pitting, and crevice corrosion in chloride environments.
  • Weld deposits exhibit higher tensile and yield strength compared to standard austenitic stainless steels.
  • Ideal for chemical, oil & gas, desalination, and marine applications.
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Technical Data

Product Specifications

1. Typical Chemical Composition

CMnSiCrNiMoNPSCu
≤ 0.060.5 – 2.0≤ 1.024.0 – 27.06.5 – 8.52.5 – 3.90.10 – 0.25≤ 0.03≤ 0.021.5-2.5

2. Typical Mechanical Properties (As-Welded)

PropertyUTS (MPa)Yield Strength (MPa)Elongation (%)Impact Toughness (J @ –20°C)Ferrite Content (FN)
Requirement≥ 760≥ 450≥ 15—30 – 55
Typical Values700 – 760500 – 55020 – 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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