Stainless Steel

JACKSUN NOVA 318

AWS A5.4: E318-16

JACKSUN NOVA 318 is a rutile-coated stainless steel electrode conforming to AWS A5.4 E318-16 and EN ISO 3581-A E 19 12 3 Nb R 12.

  • Niobium (Nb) stabilized 18Cr–12Ni–3Mo type electrode.
  • Provides excellent resistance to intergranular corrosion and pitting in chloride-bearing environments.
  • Suitable for welding AISI 316, 316H, 316Ti stainless steels where stabilization against carbide precipitation is required.
  • Commonly used in chemical plants, marine applications, paper & pulp industry, and fertilizer equipment.
Technical Data

Product Specifications

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

CMnSiCrNiMoNb (Cb)SPFe (Bal.)Ferrite No. (FN)
≤ 0.080.5 – 2.5≤ 1.017.0 – 20.011.0 – 14.02.0 – 3.06 × C min. – 1.0 max≤ 0.03≤ 0.04Balance3 – 10 (typical)

2. Mechanical Properties of Weld Metal

PropertyUTS (MPa)Proof Strength (MPa)Elongation (%)Impact Toughness (J at RT)
Requirement≥ 550≥ 320≥ 25≥ 47
Typical Values570 – 600340 – 37032 – 3555 – 70

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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