| Customization: | Available |
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| Type: | Rolling Wire |
| Material: | Nickel / Nickel Alloy |
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ERNiCrMo-10 is a nickel-based welding filler metal classified under the AWS A5.14 standard (Specification for Nickel and Nickel-Alloy Bare Welding Electrodes and Rods). It is designed for welding corrosion-resistant nickel-chromium-molybdenum alloys, particularly UNS N10276 (Alloy C-276) and similar grades.
Composition (Typical):
Nickel (Ni): ~57% (Balance)
Chromium (Cr): 14-17%
Molybdenum (Mo): 15-17%
Iron (Fe): 4-7%
Tungsten (W): 3-4.5%
Low carbon (<0.02%) to prevent sensitization.
Equivalent Alloys:
Weld Metal: UNS N06022 (Alloy C-22) or UNS N10276 (C-276).
Common Trade Names: INCONEL® Filler Metal 622, HAYNES® 622.
Properties:
Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and oxidizing acids (e.g., nitric, sulfuric, phosphoric acids), chlorides, and seawater.
High-Temperature Stability: Suitable for service up to 1200°C (2200°F) in oxidizing/reducing atmospheres.
Weldability: Good arc stability; low risk of hot cracking when proper procedures are followed.
Applications:
Chemical processing, pollution control (FGD systems), pharmaceuticals.
Marine engineering, flue gas desulfurization, nuclear waste treatment.
Welding dissimilar metals (e.g., nickel alloys to stainless steel).
Welding Process Compatibility:
Primarily used with GTAW (TIG) and GMAW (MIG).
Key Precautions:
Cleanliness: Essential to avoid contamination (oil, grease, sulfur).
Heat Input: Control to minimize carbide precipitation.
Shielding Gas: Use pure argon or argon-helium mixes for TIG; tri-mix (He/Ar/CO2) for MIG.
Ideal for welding C-276/C-22 components in aggressive environments.
Provides weld metal with corrosion resistance matching or exceeding base metals.
Maintains ductility and strength in as-welded conditions.
For critical applications, always verify compatibility with specific service conditions and consult welding procedure specifications (WPS).
| AWS A5.4 | ERNi-1 | ERNiCu-7 | ERNiCr-3 | ERNiCrFe-5 | ERNiCrMo-3 | ERNiCrMo-4 | ERNiFeCr-1 |
| Tensile Strength (N/mm2) |
514 | 541 | 671 | 651 | 819 | 729 | 602 |
| Elongation (%) |
44 | 39 | 41 | 45 | 39 | 45 | 33 |
| C | 0.02 | 0.02 | 0.03 | 0.06 | 0.037 | 0.012 | 0.02 |
| Mn | 0.24 | 3.21 | 3.05 | 0.51 | 0.06 | 0.5 | 0.5 |
| Si | 0.34 | 0.68 | 0.12 | 0.14 | 0.11 | 0.01 | 0.11 |
| P | 0.34 | 1.53 | 2.4 | 1.99 | 3.37 | 0.23 | 0.81 |
| Ti | 0.34 | 1.53 | / | / | / | / | 0.81 |
| S | 0.14 | 0.47 | 1.41 | 6.82 | 3.9 | 5.4 | 28.24 |
| Cr | / | / | 19.86 | 14.79 | 21.55 | 15.9 | 22.61 |
| Ni | 95.5 | 65.68 | 72.8 | 75.06 | 61.65 | REM | 42.91 |
| Cu | 0.01 | REM | 0.03 | 0.03 | / | / | / |
| Mo | 0.01 | REM | 0.03 | 0.03 | 8.49 | 16 | 2.67 |
| Nb | / | 2.4 | 1.99 | 3.37 | / | ||
| V | / | 0.23 | |||||
| Fe | 0.14 | 0.47 | 1.41 | 6.82 | 3.9 | 5.4 | 28.24 |
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