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Description
ERNiCrMo-4 , This low carbon, nickel-chromium-molybdenum filler metal can also be used for dissimilar welding between nickel base alloys and stainless steels, as well as for surfacing and cladding.Due to high molybdenum content, this alloy offers excellent resistance to stress corrosion cracking and pitting and crevice corrosion. It can equivalent to: Oxford Alloy? C-276 , FM C-276 ,Techalloy 276.
Applications
ERNiCrMo-4 offen used for groove welding of 9% nickel steels in the production of LGN storage tanks.
ERNiCrMo-4 also can be used for welding of materials of similar chemical composition, as well as dissimilar material of nickel base alloys, steels and stainless steels.
Product Details
Chemical composition
| Grade | Chemical composition(%) | ||||||
| ERNiCrMo-4 | C | S | P | Si | Mn | Ni | Mo |
| ≤0.02 | ≤0.03 | ≤0.04 | ≤0.08 | ≤1.0 | Bal | 15-17 | |
| W | Cu | Others | V | Fe | Cr | Co | |
| 3.0-4.5 | ≤0.5 | <0.5 | ≤0.35 | 4.0-7.0 | 14.5-16.5 | ≤2.5 | |
Mechanical properties
| Tensile Strength | Yield Strength | Elongation |
| 790Mpa | 590Mpa | 27% |
Welding paramaters
| Process | Diameter | Voltage | Amperage | Gas |
| TIG | .045" (1.2mm) | 13-16 | 80-110 | 100% Argon |
| 1/16" (1.6mm) | 14-18 | 90-130 | 100% Argon | |
| 3/32" (2.4mm) | 15-20 | 120-175 | 100% Argon | |
| 1/8" (3.2mm) | 15-20 | 150-220 | 100% Argon | |
| MIG | .045" (1.2mm) | 28-32 | 180-220 | 75% Argon + 25% Helium |
| 1/16" (1.6mm) | 29-33 | 200-250 | 75% Argon + 25% Helium | |
| SAW | 3/32" (2.4mm) | 28-30 | 275-350 | Suitable Flux may be used |
| 1/8" (3.2mm) | 29-32 | 350-450 | Suitable Flux may be used | |
| 5/32" (4.0mm) | 30-33 | 400-550 | Suitable Flux may be used |
Specifications
AWS A5.14, ERNiCrMo-4/ ASME II, SFA-5.14, UNS N10276 Werkstoff Nr. 2.4886 ISO SNi6276 Europe NiCrMo16Fe6W4 .
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