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Stainless Steel

JACKSUN NOVA 347

AWS A5.4: E347-16

JACKSUN NOVA 347 is a rutile-coated stainless steel electrode conforming to AWS A5.4 E347-16 and EN ISO 3581-A E 19 9 Nb R 12.

  • Stabilized with niobium (Nb) to resist intergranular corrosion.
  • Weld metal composition similar to E308, but with Nb for improved resistance to carbide precipitation.
  • Excellent for welding AISI 321 and 347 stainless steels, especially for service in high-temperature or corrosive environments.
  • Provides smooth arc, easy slag removal, and excellent bead appearance.
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Technical Data

Product Specifications

1. Chemical Composition of Weld Metal (% by weight)

CMnSiCrNiNb + TaMoPSCu
≤ 0.080.5 – 2.5≤ 1.0018.0 – 21.09.0 – 11.010 × C min – ≤ 1.0≤ 0.75≤ 0.04≤ 0.030.75

2. Mechanical Properties of Weld Metal

PropertyUTS (MPa)Proof Strength (MPa)Elongation (%)Impact Toughness (J at RT)Hardness (HV10)
Requirement≥ 520≥ 320≥ 30≥ 47–
Typical Values560 – 600330 – 36032 – 3560 – 80170 – 200

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 – 25✔✔
3.21/880 – 120AC/DCEP22 – 28✔✔
4.05/32100 – 150AC/DCEP24 – 30✔✔
5.03/16130 – 180AC/DCEP26 – 32✔✔
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