ERNiCrMo-4 Nickel-Chromium-Moly Alloy Welding Wire
ERNiCrMo-4 Nickel-Chromium-Moly Alloy Welding Wire Introduction
ERNiCrMo-4 Nickel Alloy C276 is used for welding materials of similar chemical composition as well as dissimilar materials of nickel base alloys, steels, and stainless steels. This alloy can also be used for cladding steel with nickel-chrome-molybdenum weld metal. The higher molybdenum content provides great resistance to stress corrosion cracking, pitting and crevice corrosion.
It can be used for gas-tungsten-arc and gas-metal-arc welding of INCONEL alloy C-276 and other nickel-chromium-molybdenum alloys. It is also used for surfacing of steel. The weld metal has excellent corrosion resistance in many aggressive media and is especially resistant to pitting and crevice corrosion.
Dissimilar-welding applications include welding INCONEL alloy C-276 to other nickel alloys, to stainless steels, and to low-alloy steels.
ERNiCrMo-4 Nickel-Chromium-Moly Alloy Welding Wire Specification
| Grade | American | European |
| ERNiCrMo-3 | AWS A5.14 ERNiCrMo (UNS N10276) ASME II, Part C, SFA-5.14. ERNiCrMo-4 (UNS N10276) ASME IX, F-No.43 |
*bs 2901 NA48 *DIN 1736 SG-NiMo16Cr16W (2.4886) *(EN) ISO 1827 4 – SNi6276 (NiCrMo16Fe6W4) |
Typical Mechanical Properties
| Tensile Strength (psi) | 100,000 |
| Tensile Strength (MPA) | 690 |
| Elongation (4d) % | 30 |
ERNiCrMo-4 Nickel-Chromium-Moly Alloy Welding Wire Typical Chemical Composition
| Grade | ERNiCrMo-4 |
| C | 0.02 |
| Mn | 1 |
| Fe | 4.0-7.0 |
| P | 0.04 |
| S | 0.03 |
| Si | 0.08 |
| Cu | 0.5 |
| Ni | Bal. |
| Co | 2.5 |
| Cr | 14.5-16.5 |
| Mo | 15.0-17.0 |
| V | 0.35 |
| W | 3.0-4.5 |
| Other | 0.5 |
ERNiCrMo-4 Nickel-Chromium-Moly Alloy Welding Wire Typical Welding Parameters
| Diameter(mm) | Process | Volt | Amps (flat) | Amps (V/OH) |
| 0.9 | GMAW | 26-29 | 150-190 | Spray Transfer 100% Argon |
| (1.2) | GMAW | 28-32 | 180-220 | Spray Transfer 100% Argon |
| (1.6) | GMAW | 29-33 | 200-250 | Spray Transfer 100% Argon |
| (1.6) | GTAW | 14-18 | 90-130 | 100% Argon |
| (2.4) | GTAW | 15-20 | 120-175 | 100% Argon |
| (3.2) | GTAW | 15-20 | 150-220 | 100% Argon |
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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