AWS Class ECuNi Coated Electrodes

Conra Welding Supplies, based in Houston, USA, is a well-respected manufacturer and supplier of top-notch welding consumables, including AWS Class ECuNi coated electrodes. These specialized electrodes are crafted specifically for welding copper-nickel alloys, providing outstanding corrosion resistance and impressive mechanical properties, particularly in marine and chemical processing settings. Conra’s ECuNi electrodes guarantee stable arc characteristics, minimal spatter, and robust metallurgical performance. Industries like shipbuilding, desalination, and offshore engineering trust Conra to deliver reliable solutions that meet the rigorous demands of critical welding tasks where strength, conductivity, and corrosion resistance are vital.

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AWS Class ECuNi Coated Electrodes Specification

Classification	AWS A5.11, A5.1, ECuNi
Form	Welding Electrode, Welding Rods
Type Of Current	Direct Current Electrode Positive (DCEP)
Diameters	3/32”, 1/8”, 5/32”, 3/16” or 2.5mm, Ø 3.2mm, Ø 4.0mm, Ø 5.0mm
Size	2.0mm ∞ 5.0mm
AC/DC+	50-80, 80-110, 100-135, 140-180
Welding Positions	All positions 5/32” & 3/16” recommended for use in flat & horizontal positions only (F, V, OH, H)
AWS ECuNi Coated Electrodes Application & uses	Petroleum Chemical plant Power sector Gas Industry Hardware tools Metallurgy Machinery Construction Shipbuilding

What is AWS Class ECuNi Coated Electrodes?

When it comes to composition and mechanical properties, AWS Class ECuNi electrodes usually consist of about 65% copper and 30% nickel, with small amounts of iron and manganese added to enhance strength and weldability. This blend offers remarkable resistance to corrosion, especially in salty and acidic environments. The weld deposits typically provide tensile strength in the range of 50–70 ksi (345–485 MPa), along with good elongation and thermal conductivity. The coated electrodes ensure a stable arc, low spatter, and effective slag removal, making them ideal for both manual and mechanized welding tasks. Their mechanical properties remain consistent even under thermal cycling, ensuring reliable weld performance in challenging conditions.

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Electrodes and Filler Wire

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

AWS Class ECuNi Coated Electrodes Chemical Composition

Mn	Fe	Si	Cu including Ag	Ni including Cobalt	P	Pb	Ti	Other
1.00-2.50	0.40-0.75	0.50	Remainder	29.0-33.0	0.020	0.02	0.50	0.50

AWS Class ECuNi Coated Electrodes Equivalent

Class	UNS	Oxford Alloys	Special Metals	UTP	SANDVIK
ECuNi	W60715	Alloy 187	MONEL WELDING ELECTRODE 187	UTP 387	EXATON NI 71

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Top Manufacturer and Supplier of AWS Class ECuNi Coated Electrodes in Houston , USA

Conrad Welding Supplies is a leading manufacturer and supplier of premium AWS Class ECuNi Coated Electrodes in Houston , USA. Specializing in advanced welding solutions. We offer a comprehensive range of products. Including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux and filler wires. Renowned for dependable delivery and exceptional customer service. We are dedicated to providing high-quality welding materials that deliver durability and performance for diverse industrial applications. Our commitment to excellence has made us a trusted partner for all your welding requirements.

Modern Equipments

Well Maintained

Expert Engineers

Efficient Factories

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Types of AWS Class ECuNi Coated Electrodes

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AWS Class ECuNi Coated Electrodes Uses

AWS Class ECuNi coated electrodes find extensive use in the fabrication and repair of copper-nickel alloys, especially in marine and offshore settings where seawater corrosion is a significant concern. Common applications include heat exchangers, condenser tubes, seawater piping, desalination units, and shipbuilding components like hulls and seawater intakes. These electrodes are also great for joining dissimilar metals, such as copper to steel or copper-nickel to other alloys. Their excellent resistance to biofouling and stress corrosion makes them a go-to choice for demanding applications.

Industry We Serve

We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.