Standard / Designation	Grade / Identification
AWS A5.14	ERNiCu-7
ASME SFA-5.14	ERNiCu-7
UNS	N04060
Alloy Designation	Alloy 60
Related Base Metal	Monel 400 / UNS N04400

Note: ERNiCu-7 and Monel 400 are not the same material. ERNiCu-7 is a welding filler-metal classification, while Monel 400 is a nickel-copper base-metal alloy.

Element	Ni+Co	C	Mn	Fe	S	Si	Cu	Al	Ti	P	Others
Content(%)	62.0-69.0	≤ 0.15	≤ 4.0	≤ 2.5	≤ 0.015	≤ 1.25	Remainder	≤ 1.25	1.5-3.0	≤ 0.020	≤ 0.50

The alloy ensures excellent corrosion resistance, weld bead quality, and compatibility with copper-containing steels and dissimilar joints.

Property	Value
Tensile Strength	≥ 550 MPa
Yield Strength	≥ 300 MPa
Elongation	≥ 40%
Impact Toughness	Good at ambient temperature

Mechanical properties can vary depending on welding process, base metal, joint design, welding parameters and test conditions. For project-specific requirements, refer to the applicable specification and product test certificate.

Ø Nickel-copper alloy system provides good corrosion resistance in marine and chemical environments.

Ø Good ductility and weldability support reliable fabrication and repair applications.

Ø Good resistance to seawater and salts makes the filler metal suitable for selected marine applications.

Ø Stable welding performance supports GTAW, GMAW and applicable SAW operations.

Ø Suitable for nickel-copper alloy welding and selected dissimilar-metal joints.

Ø Can tolerate some surface contamination, although proper cleaning and joint preparation remain important for welding quality.

ERNiCu-7 and ENiCu-7 are nickel-copper filler metals with different product forms and welding process applications.

	ERNiCu-7	ENiCu-7
AWS Specification	A5.14	A5.11
Product Form	Bare wire / rod	Covered electrode
Typical Processes	GTAW, GMAW, SAW	SMAW
Main Alloy System	Nickel-Copper	Nickel-Copper
Typical Applications	Nickel-copper alloy welding	Nickel-copper alloy welding

The main difference is the product form and welding process: ERNiCu-7 is supplied as bare wire or rod for GTAW, GMAW and SAW, while ENiCu-7 is a covered electrode for SMAW.

Applications

Application	Typical Uses
Marine & Offshore	Marine equipment, seawater systems, offshore equipment, pumps and valves
Chemical & Industrial	Chemical processing equipment, heat exchangers, tanks, vessels, piping and fittings
Fabrication & Repair	Industrial machinery, maintenance and repair applications

Supply Overview

Category	Details
Base Materials	Nickel-copper alloys, including Monel 400 and K-500; selected dissimilar-metal joints
Service Environment	Marine, seawater, salt-containing and selected chemical environments
Welding Processes	GTAW (TIG), GMAW (MIG), SAW
Product Form	Solid welding wire and TIG rod

Diameters:

• 0.8 mm / 0.9 mm / 1.0 mm / 1.2 mm / 1.6 mm / 2.4 mm / 3.2 mm

Forms:

• MIG / GMAW welding wire on spool
• TIG / GTAW straight rods
• Industrial welding wire for applicable SAW applications

Packaging Options:

• 5 kg / 15 kg / 20 kg spools
• 250 kg / 350 kg drums

Other diameters, lengths and packaging configurations can be supplied according to project requirements.

Ø Factory-direct supply of ERNiCu-7 welding wire and TIG rods

Ø Multiple diameters and packaging options for different welding requirements

Ø Consistent production quality for industrial applications

Ø Material documentation available for qualified orders

Ø Bulk-order support for distributors, fabricators and industrial users

Ø Technical assistance for grade and application confirmation

Ø Export experience serving customers in 80+ countries

1. What is ERNiCu-7 welding wire used for?

ERNiCu-7 is commonly used for welding nickel-copper alloys, including Monel 400 and K-500, as well as selected dissimilar-metal joints.

2. Which welding processes can be used with ERNiCu-7?

ERNiCu-7 can be used for GTAW (TIG), GMAW (MIG) and SAW, depending on the welding application and joint requirements.

3. What sizes and packaging are available for ERNiCu-7?

ERNiCu-7 is available in multiple diameters and packaging options, including spools and drums for different welding processes and order volumes.

Looking for a reliable ERNiCu-7 welding wire supplier?

Send us your required diameter, welding process, base metal, quantity, packaging and delivery destination. Our team can confirm the suitable product specification, availability and quotation for your project.

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