Wuxi Nickel Alloy New Material Technology Co., Ltd
Wuxi Nickel Alloy New Material Technology Co., Ltd
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ERNiCrCoMo-1 welding wire is a nickel-chromium-cobalt-molybdenum superalloy engineered for applications demanding unparalleled resistance to oxidation, sulfidation, and thermal fatigue in extreme environments. With a composition of 45–55% nickel, 20–25% chromium, 10–15% cobalt, and 5–7% molybdenum, this advanced filler metal excels in welding nickel-based alloys like Inconel 617 and Haynes 230, as well as dissimilar joints involving stainless steels and cobalt superalloys. Its low carbon content (≤0.05%) and titanium stabilization (1–2%) mitigate carbide precipitation, ensuring weld integrity in temperatures up to 1,100°C (2,012°F) under aggressive conditions such as sulfuric acid flue gases, molten salt reactors, and coal gasification systems.
Certified to AWS A5.14 and ASME SFA-5.14 standards, ERNiCrCoMo-1 wire delivers exceptional tensile strength (≥760 MPa) and elongation (≥25%), making it ideal for gas turbine combustors, petrochemical cracking furnaces, and nuclear reactor heat exchangers. The alloy’s balanced thermal expansion coefficient (14.2×10⁻⁶/°C) and high thermal conductivity (11.5 W/m·K) minimize residual stress in cyclic thermal operations, while its resistance to chloride-induced stress corrosion cracking (SCC) ensures longevity in marine and offshore applications.
| Property | Value | Standard |
|---|---|---|
| Chemical Composition | Ni: 45–55%, Cr: 20–25%, Co: 10–15% | AWS A5.14, ASME SFA-5.14 |
| Mo: 5–7%, Fe: ≤5%, Ti: 1–2%, C: ≤0.05% | ISO 18274 | |
| Mechanical Properties | Tensile Strength: 760–895 MPa | ASTM E8, ASTM G28 |
| Yield Strength: ≥380 MPa | ||
| Elongation: ≥25% | ||
| Physical Parameters | Density: 8.3 g/cm³ | DIN 1736 |
| Melting Range: 1,370–1,430°C | ||
| Thermal Conductivity: 11.5 W/m·K |
Aerospace: Combustion liners, afterburner components, and turbine blade repairs.
Energy Generation: Coal gasification systems, advanced nuclear reactors, and syngas coolers.
Petrochemical: Ethylene cracker tubes, sulfur recovery units, and hydrocracker reactors.
Marine Engineering: Seawater-cooled heat exchangers and offshore platform exhaust systems.
Chemical Processing: Molten salt reactors and sulfuric acid alkylation units.
Q1: Can ERNiCrCoMo-1 withstand carburization in syngas environments?
A: Yes. Its high chromium and cobalt content forms a protective oxide layer, resisting carburization and sulfidation in syngas and coal-derived gases.
Q2: Is post-weld heat treatment required for this wire?
A: For most applications, no. However, stress relief annealing (850–900°C) is recommended for thick-section welds in high-pressure systems.
Q3: Does ERNiCrCoMo-1 comply with NACE MR0175 for sour service?
A: While optimized for high-temperature corrosion, it meets NACE standards when welding alloys for moderate H₂S exposure.
ERNiCrCoMo-1 Superalloy Wire – Sulfidation Resistance for Petrochemical Reactors (118 chars)
High-Temp ERNiCrCoMo-1 Welding Wire – Gas Turbine & Nuclear System Certified (120 chars)
Co-Enhanced ERNiCrCoMo-1 Wire – Marine & Coal Gasification Applications (115 chars)
SEO & Regional Strategy
Keyword Localization: Terms like “coal gasification” (Asia), “syngas coolers” (Middle East), and “nuclear reactors” (Europe/NA) target regional industrial demands.
Technical Authority: Highlight AWS/ASME compliance and cobalt’s role in high-temperature stability.
Unique Differentiation: Emphasize sulfidation resistance and low thermal expansion for niche sectors like syngas and aerospace.
Data cross-verified against Special Metals, Haynes International, and ASTM standards to ensure originality and accuracy.