ER NiCrMo-4
ER NiCrMo-4 is a high-performance nickel chromium molybdenum welding wire developed for demanding fabrication and cladding work, where high strength, excellent corrosion resistance and stable weld quality are needed. The ERNiCrMo-4 filler wire can weld nickel-based alloys to each other, to steel and to other nickel alloys, so it is a dependable option for critical industrial projects.
Product details
Main Features and Benefits
ER NiCrMo-4 offers several advantages for safe and efficient welding in challenging environments.
- High Strength: high tensile and yield strength for strong, durable weld joints.
- Corrosion Resistance: excellent resistance in aggressive chemical environments for long-lasting performance.
- Ductility: good ductility helps limit cracking during welding and cooling, making joints more reliable.
- Versatile Compatibility: can weld nickel alloys to steel and to other nickel alloys.
- Stable Arc: steady arc behaviour in MIG and submerged arc welding processes.
- Cladding Support: well suited to cladding that improves the surface durability of steel components.
- Consistent Weld Chemistry: uniform weld composition that supports a long service life.
- High-Temperature Performance: suitable for heavy-duty industrial use and elevated temperature conditions.
With these advantages, ER NiCrMo‑4 is a dependable welding solution for critical fabrication work.
Specifications
ER NiCrMo‑4 is a premium nickel‑chromium‑molybdenum‑tungsten welding filler metal engineered for superior performance in highly corrosive and high‑temperature environments. It meets AWS A5.14 standards and is often used where durability and chemical resistance are critical.
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Parameter |
Description |
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Product Type |
ER NiCrMo‑4 is a nickel‑chromium‑molybdenum welding filler metal intended for high-performance applications. |
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Standards & Classification |
Meets AWS A5.14 standards with UNS N06686 designation, and is suitable for critical industrial welding. |
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Chemical Composition |
High nickel content with chromium (≈14.5–16.5 %), molybdenum (≈15–17 %), tungsten (≈3–4.5 %), and low carbon to preserve corrosion resistance. |
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Mechanical Properties |
As‑welded tensile strength ≥ 690 MPa, elongation ≈30 %, stable at elevated temperatures up to ~1000 °C. |
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Welding Processes |
Works with TIG (GTAW) and MIG (GMAW) welding, giving a stable arc and smooth weld deposits. |
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Diameter Range |
Supplied from 1.0 mm to 4.0 mm to suit different welding setups. |
Properties
ER NiCrMo‑4 is a premium nickel‑based welding filler metal made for reliable performance where strength, durability and corrosion resistance are critical.
- Nickel-Rich Composition: gives built-in corrosion resistance and protects against degradation in aggressive chemical or marine environments.
- Chromium and Molybdenum Alloying: raises resistance to pitting and crevice corrosion, especially in chloride-bearing atmospheres.
- Toughness and Ductility: strength is balanced with ductility to limit cracking during welding and cooling.
- Thermal Stability: mechanical properties and metallurgical integrity are retained at elevated temperatures.
- Weld Metal Homogeneity: the microstructure and composition stay uniform through the weld for a long service life.
- Adaptability to Dissimilar Metals: works well when joining nickel alloys to stainless steel or carbon steel.
- Surface Integrity: smooth, uniform weld deposits that resist defects and surface imperfections.
Related Products
These complementary welding consumables from our range work well with ER NiCrMo‑4 for corrosion‑resistant, high‑strength and general industrial fabrication:
- ER NiCrMo‑3 Filler Wire: a premium nickel‑chromium‑molybdenum wire with excellent corrosion resistance and mechanical toughness for demanding environments.
- Nickel Alloy Electrodes & Wires: high‑performance nickel‑based wires and rods for joining and repairing nickel and nickel‑alloy steels.
- Stainless Steel Filler Wires: our stainless steel MIG and TIG wires (including 300 and 400 series) for a range of corrosion‑resistant structural welds.
- Welding Auxiliaries: consumables such as anti‑spatter sprays, nozzle dips and maintenance gels that improve weld quality and cut equipment downtime.
- Surface Protection & Maintenance Products: industrial sprays and coatings that protect weld areas and tooling before, during and after welding.
Together, these related products make up a complete package for robust, corrosion‑resistant welding in chemical, marine, power and heavy fabrication applications.
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