ER NiCrMo‑4 Welding Wire – Ni‑Cr‑Mo Alloy Filler

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ER NiCrMo-4Nickel Alloy / Cast Iron Welding Filler Wire – Manufacturer and Supplier

ER NiCrMo-4 is a high-performance nickel chromium molybdenum welding wire developed for demanding fabrication and cladding applications. It is used where high strength, excellent corrosion resistance, and stable weld quality are required. The ERNiCrMo-4 filler wire is suitable for welding nickel-based alloys to themselves, steel, and other nickel alloys, making it a reliable choice for critical industrial projects.

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Key Features and Benefits

ER NiCrMo-4 provides several advantages that support safe and efficient welding in challenging environments.

High Strength: High tensile and yield strength for strong and durable weld joints.
Corrosion Resistance: Excellent resistance in aggressive chemical environments, ensuring long-lasting performance.
Ductility: Good ductility helps reduce cracking during welding and cooling, improving joint reliability.
Versatile Compatibility: Suitable for welding nickel alloys to steel and other nickel alloys.
Stable Arc: Provides consistent arc performance during MIG and submerged arc welding processes.
Cladding Support: Ideal for cladding applications to enhance the surface durability of steel components.
Consistent Weld Chemistry: Ensures uniform weld composition that supports long service life.
High-Temperature Performance: Suitable for heavy-duty industrial applications and elevated temperature conditions.

These benefits make ER NiCrMo‑4 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, meeting AWS A5.14 standards and often used where durability and chemical resistance are critical.

Parameter	Description
Product Type	ER NiCrMo‑4 nickel‑chromium‑molybdenum welding filler metal is designed for high-performance applications.
Standards & Classification	Meets AWS A5.14 standards, UNS N06686 designation, suitable for critical industrial welding.
Chemical Composition	High nickel content with chromium (≈14.5–16.5 %), molybdenum (≈15–17 %), tungsten (≈3–4.5 %), and low carbon to maintain corrosion resistance.
Mechanical Properties	As‑welded tensile strength ≥ 690 MPa, elongation ≈30 %, stable at elevated temperatures up to ~1000 °C.
Welding Processes	Compatible with TIG (GTAW) and MIG (GMAW) welding, ensuring stable arc and smooth weld deposits.
Diameter Range	Available in 1.0 mm to 4.0 mm to suit various welding setups.

Properties

ER NiCrMo‑4 is a premium nickel‑based welding filler metal designed to deliver reliable performance in challenging environments where strength, durability, and corrosion resistance are critical.

Nickel-Rich Composition: Provides inherent corrosion resistance and prevents degradation in aggressive chemical or marine environments.
Chromium and Molybdenum Alloying: Enhances pitting and crevice corrosion resistance, particularly in chloride-containing atmospheres.
Toughness and Ductility: Balances strength with ductility to reduce cracking during welding and cooling.
Thermal Stability: Maintains mechanical properties and metallurgical integrity at elevated temperatures.
Weld Metal Homogeneity: Ensures consistent microstructure and composition across the weld for long-term service life.
Adaptability to Dissimilar Metals: Performs well when joining nickel alloys to stainless steel or carbon steel.
Surface Integrity: Produces smooth, uniform weld deposits resistant to weld defects and surface imperfections.