OK TIGROD 347
Bare, corrosion-resistant, chromium-nickel rods for welding stabilised austenitic chromium-nickel alloys of the 18% Cr-8% Ni type. The rods are stabilised with niobium, which provides good resistance to the intergranular corrosion of the weld metal. Due to the niobium content, this alloy is recommended for use at higher temperatures.
Typical Tensile Properties
| As welded | ||
| Elongation | Tensile Strength | Yield Strength |
| 35 % | 655 MPa | 510 MPa |
Typical Charpy V-Notch Properties
| As welded | |
| Impact Value | Testing Temperature |
| 130 J | 20 °C |
Typical Weld Metal Analysis %
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| 1.4 % | 0.10 % | 0.05 % | 0.04 % | 0.50 % | 0.4 % | 7 % | 9.5 % | 19.3 % |
| Approvals: | NAKS/HAKC, 2.4mm |
| Classifications: | EN ISO 14343-A, W 19 9 Nb, Wire Electrode, SFA/AWS A5.9, ER347, Wire Electrode, Werkstoffnummer, ~1.4551, Wire Electrode |
Approvals are based on factory location. Please contact ESAB for more information.
| Alloy Type: | Austenitic (with approx. 8 % ferrite) 19% Cr – 9% Ni – Nb |
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