AWS Class ERCuNi MIG and TIG Filler Metal

AWS Class ERCuNi MIG and TIG Filler Metal Manufacturer and Supplier in Tunisia, Tunis

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Hajji Welding Supplies is a reputable corporation based in Tunisia, Tunis, and manufacturer and distributor of high-quality welding consumables, that is, AWS Class ERCuNi MIG and TIG filler metals. ERCuNi is an engineered welding alloy, designed to resist seawater corrosion, erosion, and biofouling and is therefore suitable in marine and offshore welding projects. Hajji represents such sectors as shipbuilding, desalination, oil and gas, and power generation, with all products of the company being of high international quality. Hajji Welding Supplies has a solid emphasis on innovation, reliability and customer satisfaction which has seen the company offer high technology welding solutions both in Tunis and the foreign markets.

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AWS Class ERCuNi MIG and TIG Filler Metal Specification

Classification	AWS A5.14, ERCuNi
Form	MIG spools, TIG cut lengths, Reels and Coils
Type Of Welding	Inert Gas Welding
Standard TIG straight lengths are available	36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request.
AWS ERCuNi MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

What is AWS Class ERCuNi MIG and TIG Filler Metal?

The AWS Class ERCuNi MIG and TIG filler metals are copper-nickel alloy, which have been developed as strong and tough with high seawater corrosion resistance. They are generally made up of Copper balance, Nickel 6070, Iron 1.5 2.5, Manganese 0.5 1.5 and traces of Silicon, Carbon, and Sulfur to improve the weldability. Tensile strength is in the range of 380480 Mpa, yield strength is about 120150 Mpa and elongation is 3040, which makes mechanical properties very ductile and very durable. ERCuNi is particularly appropriate in welding copper-nickel alloys so that it can achieve high-quality and corrosion-free joints in marine, offshore, desalination, and heat exchanger applications.

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AWS Class ERCuNi MIG and TIG Filler Metal Chemical Composition

Fe	Pb	Mn	P	Si	Ti	Ni +Co	Cu +Ag
0.59	0.001	0.69	0.001	0.07	0.30	30.3	Balance

AWS Class ERCuNi MIG and TIG Filler Metal Mechanical Properties

Tensile Strength MPa(ksi)	Yield Strength MPa(ksi)	Elongation %
Typical results as welded	54,000 psi	21,500 psi	32%

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Leading Industrial Supplier of AWS Class ERCuNi MIG and TIG Filler Metal For Welding Solutions in Tunis

At Hajji Welding Supplies, we take pride in being one of Tunis’s trusted suppliers of high-quality welding consumables. Our expertise lies in AWS Class ERCuNi MIG and TIG Filler Metal, engineered for precision, durability, and resistance to corrosion. With a strong commitment to quality and customer satisfaction, we provide welding solutions that support industries across construction, energy, shipbuilding, and manufacturing.

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Types of AWS Class ERCuNi MIG and TIG Filler Metal Filler Welding Rod and Wire

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AWS Class ERCuNi MIG and TIG Filler Metal Uses

ERCuNi MIG, and TIG filler metals are extensively utilized in welding copper-nickel alloys in all applications that need outstanding corrosion resistance, erosion, and biofouling resistance against sea water. They work perfectly with copper-nickel to either the same or other alloys, making robust and hardy welds in the corrosive sea. Common uses are shipbuilding, offshore structure, desalination plants, heat exchangers, condensers, piping systems and seawater-cooled equipment. ERCuNi filler metals have high levels of corrosion, mechanical strength, and ductility and therefore are used in highly critical marine, chemical processing, and power generation industries where the addition life and reliability is crucial.

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The Hajji Industries Server is built to deliver reliability, speed, and scalability for mission-critical operations. Designed for modern industrial environments, it ensures seamless performance in manufacturing, engineering, energy, and automation sectors.