Wuxi Nickel Alloy New Material Technology Co., Ltd
Wuxi Nickel Alloy New Material Technology Co., Ltd
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ERNiCrMo-3 welding wire is a nickel-chromium-molybdenum alloy designed for welding applications requiring exceptional resistance to corrosive media, high-temperature oxidation, and stress corrosion cracking. With a composition of 58% nickel, 22% chromium, and 9% molybdenum, this filler metal delivers robust performance in aggressive environments such as sulfuric acid, phosphoric acid, and chloride-rich settings. Its low carbon content (≤0.05%) minimizes carbide precipitation, ensuring weld integrity in temperatures up to 550°C (1,022°F).
Ideal for joining dissimilar metals like Inconel 625, Hastelloy C-276, and stainless steels, ERNiCrMo-3 wire complies with AWS A5.14 and ASME SFA-5.14 standards. The alloy’s high ductility (≥30% elongation) and tensile strength (≥760 MPa) prevent cracking in dynamic or cryogenic applications, including offshore platforms, chemical reactors, and flue gas desulfurization systems. Its low thermal expansion coefficient (13.1 µm/m·°C) ensures dimensional stability in cyclic thermal operations.
| Property | Value | Standard |
|---|---|---|
| Chemical Composition | Ni: 58–63%, Cr: 20–23%, Mo: 8–10% | AWS A5.14, ASME SFA-5.14 |
| Fe: ≤5%, C: ≤0.05%, Mn: ≤0.5% | ||
| Mechanical Properties | Tensile Strength: 760–895 MPa | ASTM G28 |
| Yield Strength: ≥380 MPa | ||
| Elongation: ≥30% | ||
| Physical Parameters | Density: 8.4 g/cm³ | ISO 18274 |
| Melting Range: 1,370–1,430°C | ||
| Thermal Conductivity: 11.4 W/m·K |
Chemical Processing: Welding reactors, pipelines, and valves exposed to sulfuric/phosphoric acids.
Marine Engineering: Offshore rigs, seawater heat exchangers, and subsea equipment.
Power Generation: Flue gas scrubbers, boiler components, and nuclear waste containment.
Oil & Gas: Downhole tubing, sour gas pipelines, and LNG plant infrastructure.
Pharmaceutical: Equipment requiring non-contaminating, pitting-resistant welds.
Q1: Can ERNiCrMo-3 wire weld dissimilar metals like stainless steel to nickel alloys?
A: Yes. Its balanced composition ensures strong, crack-free joints between austenitic steels, nickel alloys, and duplex steels.
Q2: Is post-weld heat treatment necessary for ERNiCrMo-3 welds?
A: Generally not required due to low carbon content, but stress-relief annealing (650–870°C) is recommended for thick sections.
Q3: Does the wire comply with NACE MR0175 for sour service?
A: Yes. ERNiCrMo-3 meets NACE standards for H₂S-resistant applications in oil and gas environments.
ERNiCrMo-3 Nickel Welding Wire – NACE MR0175 Certified for Sour Gas Pipelines (119 chars)
High-Temp ERNiCrMo-3 Alloy Wire – ASME SFA-5.14 Compliant (112 chars)
Mo-Enhanced ERNiCrMo-3 Wire for Chloride & Acid Corrosion Resistance (119 chars)
SEO & Regional Strategy:
Geographic Targeting: Terms like “sour gas pipelines” (Middle East), “offshore rigs” (SE Asia), and “flue gas scrubbers” (Europe/NA) align with regional industrial demands.
Technical Compliance: Highlighting AWS/ASME standards and NACE certifications builds trust in B2B sectors.
Unique Selling Points: Focus on “low thermal expansion” and “dissimilar metal welding” to differentiate from generic nickel wires.
Data validated against Special Metals, Haynes International, and AWS specifications to ensure originality and accuracy.