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ERCOCR-A Filler Wire – Composition, Properties, and Uses

ERCOCR-A Filler Wire

Welding requires high-quality filler wires to ensure the strength and durability of the weld. One of the commonly used filler wires is the ERCOCR-A filler wire. This type of wire is known for its excellent corrosion resistance, mechanical properties, and ability to withstand high temperatures. In this blog post, we’ll look in-depth at the composition, properties, and uses of ERCOCR-A filler wire.

What is ERCOCR-A Filler Wire?

ERCOCR-A Filler Wire is a superior quality, flux-cored welding wire known for its exceptional mechanical properties, weldability and low-temperature impact toughness. It is mainly used in structural steel & shipbuilding applications. It has high tensile strength and provides outstanding operation and performance even under extreme conditions such as severe cold or hot climates. Furthermore, it can be easily used with all standard welding processes, including shielded metal arc (SMAW), gas metal arc (GMAW) and submerged arc (SAW). In conclusion, the ERCOCR-A Filler Wire is an extremely reliable solution. It is one of the best choices when needing a dependable source of flux-cored wires for any application.

ERCOCR-A Filler Wire Composition

ERCOCR-A electrode comprises various elements that provide it with unique properties. This type of filler wire contains a high percentage of cobalt (Co), chromium (Cr), and tungsten (W). It also contains small amounts of nickel (Ni) and molybdenum (Mo). The presence of these elements allows ERCOCR-A filler wire to resist corrosion and high temperatures, making it suitable for a wide range of welding applications.




P S Cr Mo




0.03 0.03 1.00-





max max 1.50 0.65

ERCOCR-A Filler Wire Mechanical Properties

ERCOCR-A filler wire has excellent mechanical properties. It has high tensile strength and a low coefficient of thermal expansion. It also has good ductility and high fatigue resistance. These properties make ERCOCR-A filler wire suitable for welding high-stress applications such as landing gear components, turbine blades, and jet engine parts.

Tensile Strength MPa (ksi)

Yield Strength MPa (ksi)



550 (80) min 460 (67) min 19 min

Typical Results – As welded

670 (97) 590 (97) 25

ERCOCR-A Filler Wire Physical Properties

ERCOCR-A filler metal has good physical properties as well. It has a high melting point of 1460°C (2660°F), which makes it suitable for welding at high temperatures. It also has a low thermal conductivity that minimizes heat transfer to the base material, reducing the risk of warping or distortion.

ERCoCr-A Filler Wires Trade Names

Class UNS Stellite
ERCOCR-A W73006 Stellite® 6

ERCOCR-A Filler Wire Uses

ERCOCR-A wire is used in many applications, especially those requiring high corrosion resistance and temperatures. Some industries that use ERCOCR-A filler wire include aerospace, power generation, chemical processing, and oil and gas. Some specific applications of ERCOCR-A filler wire include welding turbine components, boiler tubes, nuclear reactor components, and heat exchangers.

ERCOCR-A Filler Wire Corrosion Resistance

One of the most outstanding properties of ERCOCR-A welding wire is its high corrosion resistance. It can withstand corrosion caused by environments such as saltwater, sulfuric acid, and hydrochloric acid. This makes it an excellent choice for welding components and structures exposed to harsh environments.

ERCOCR-A Filler Wire Heat Treatment

ERCOCR-A filler wire is typically used in the as-welded condition without further heat treatment. However, it can be heat-treated to increase its hardness or ductility. Heat treatment can also help to relieve residual stresses that may occur during welding.


ERCOCR-A filler wire is ideal for welding applications requiring high corrosion resistance and temperatures. Its unique composition and properties make it suitable for various industries and applications. By understanding the composition, properties, and uses of ERCOCR-A filler wire, you can make informed decisions when choosing the right filler wire for your welding needs.

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