ERNiCrFe-7 Nickel-Chromium-Iron Alloy Welding Wire
ERNiCrFe-7 Nickel-Chromium-Iron Alloy Welding Wire Introduction
ERNiCrFe-7 Nickel-Chromium-Iron Alloy Welding Wire is mainly used for TIG welding of Inconel alloy 690. The metal cladding has a good overall performance, radiation, pure water environment with excellent resistance to stress corrosion cracking. This alloy wire could be used for anti-corrosion, anti-oxidizing acid corrosion surfacing layer on low alloy steel, welding dissimilar metals.
This Nickel Alloy wire can be used to weld dissimilar welding between nickel-chromium-iron alloys and steels or stainless steels. The applications include surface as well as clad-side welding. Interpass temperature of 150°C should be respected.
ERNiCrFe-7 Nickel-Chromium-Iron Alloy Welding Wire Mechanical Properties
| Heat Treatment | RP0,2 | Rm | A5 | Impact Energy (J) ISO-V | Hardness |
| (N/mm2) | (N/mm2) | (%) | +20C | HB | |
| annealed | > 260 | > 580 | >30 | 150-240 | |
| as drawn | ~772 | ~872 | ~16 |
ERNiCrFe-7 Nickel-Chromium-Iron Alloy Welding Wire Chemical Composition
| Grade | ERNiCrFe-7 |
| C | 0.02 |
| Si | 0.1 |
| Mn | 0.85 |
| S | 0.004 |
| P | 0.004 |
| Ni | Bal. |
| Cr | 30.06 |
| Fe | 10.01 |
ERNiCrFe-7 Nickel-Chromium-Iron Alloy Welding Wire Reference Range
| Sizeφ | Category | Gas | Welding Current (DC- A) | Gas flow (L/min) | Speed (mm/min) |
| φ0.8mm | Auto | Ar | 140~160 | 12.5~13.5 | 80~120 |
| φ1.0mm | Auto | Ar | 150~180 | 12.5~13.5 | 80~120 |
| φ1.2mm | Auto | Ar | 160~200 | 12.5~13.5 | 80~120 |
| φ1.6mm | Manual | Ar | 130~160 | 15~17 | 80~150 |
| φ2.0mm | Manual | Ar | 140~180 | 15~17 | 80~150 |
| φ2.4mm | Manual | Ar | 150~200 | 15~17 | 80~150 |
Please note that the above specifications are “general specifications” that pertain to the majority of our production. These specifications should only be used for general, informational purposes. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All specifications are subject to change without prior notice. All pictures shown are for illustration purposes only. Actual product may vary.
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