Welding Wire or Rod Used for welding materials of similar chemical composition (Type 904L). Used in fabrication of equipment and vessels for handling and storage of sulfuric acid and phosphoric acid. Weld metal is fully austenitic and must be done with low heat input using a stringer bead technique.
Chemical composition
| Nickel Ni 24-26% | Chromium Cr 19.5-21.5% | Molybdenum Mo 4.2-5.2% | Manganese Mn 1.0-2.5% | Copper Cu 1.2-2.0% | Silicon Si Max. 0.50% |
| Carbon C Max 0.025% | Iron Fe Balance |
Mechanical properties
| Tensile Strength Rm (MPa) |
Yield Strength Rp0.2 (MPa) |
Elongation A % |
| min. 600 (87 psi) | 410 (59 psi) | 36 |
Product forms
| Product | Diameter (mm) | Length (mm) |
| Wire for MIG/GMAW Welding | 0.8, 1.0, 1.2, 1.6, 2.0, 2.4, 2.5, 3.2 | — |
| Rods for TIG/GTAW Welding | 2.0, 2.5, 3.2, 4.0, 5.0 | 915 – 1000 |
| Wire for SAW Welding | 2.0, 2.4, 3.2, 4.0, 5.0 | — |
| Electrode Core Wire | 2.0, 2.5, 3.20, 3.25, 4.0, 5.0 | 250, 300, 350, 400, 450, 500 |
Applications
Binary Nickel-Iron (Ni-Fe) and Ni based complex welding alloys are supplied in welding rod and wires in standard length or length up to the consumers’ request. For normal service conditions, the chemical compositions are available in various Ni contents according to the most of American and European standards.