High Quality Welding Rod ERNiCrMo-3 1.6mm 2.4mm 1000mm Inconel 625 TIG

Product Information

ERNiCrMo-3 is a nickel-chromium-molybdenum alloy welding rod primarily used for the welding of high-performance alloys, such as Inconel 625, Incoloy 825, and other high-temperature resistant materials. The rod is designed to provide exceptional corrosion resistance and high-temperature strength, making it ideal for use in industries such as aerospace, chemical processing, and marine. It is particularly suitable for applications involving exposure to aggressive environments, including high temperatures, corrosive gases, and acid-based chemicals.

Other Names:

• Nickel-Chromium-Molybdenum Covered Electrode

• AWS A5.11 ERNiCrMo-3

• UNS W86112 Electrode

Material Composition:

• Nickel (Ni): ≥ 58%

• Chromium (Cr): 19-23%

• Molybdenum (Mo): 7-9%

• Iron (Fe): ≤ 8%

• Manganese (Mn): ≤ 1.0%

• Silicon (Si): ≤ 0.5%

• Carbon (C): ≤ 0.10%

• Phosphorus (P): ≤ 0.02%

• Sulfur (S): ≤ 0.02%

Appearance / Color:

• Solid silver-gray color with a smooth surface and consistent coating.

Core Wire Diameter:

• Available in 2.4 mm, 3.2 mm, 4.0 mm, 5.0 mm. Custom sizes are available upon request.

Flux Coating:

• The coating is designed for low-hydrogen output to provide strong welds that are resistant to cracking and ensure superior performance in high-stress environments.

Packaging:

• Typically available in 5 kg sealed boxes or 25 kg drums.

Characteristics

• Corrosion Resistance: ERNiCrMo-3 provides exceptional resistance to corrosion in aggressive environments such as sea water, acids, and high-temperature gases.

• High-Temperature Strength: The alloy is specifically designed for high-temperature applications, maintaining excellent strength and oxidation resistance even in temperatures up to 1,100°C (2,012°F).

• Crack Resistance: The low-hydrogen coating ensures that the welds remain crack-resistant, even in difficult conditions like high-stress environments.

• Versatility: This welding rod is suitable for use with a wide range of alloys, including Inconel 625, Incoloy 825, and Monel, among others.

• Smooth Weld Beads: ERNiCrMo-3 produces smooth, clean weld beads with minimal spatter and a good appearance, ensuring strong and durable joints.

Technology

The ERNiCrMo-3 welding rod is designed for Shielded Metal Arc Welding (SMAW). The high-performance nickel-chromium-molybdenum alloy core material creates strong, high-quality welds that maintain their strength and corrosion resistance in extreme environments.

Welding Process:

• Shielded Metal Arc Welding (SMAW): ERNiCrMo-3 is designed to perform exceptionally well in SMAW, providing superior arc stability and strong, reliable welds.

• Alloying Elements: The high concentrations of nickel, chromium, and molybdenum ensure excellent performance in applications requiring both resistance to heat and corrosive conditions.

Theory

When used for welding, ERNiCrMo-3 forms a metallurgical bond between the base material and the filler rod. The molybdenum content enhances the alloy’s ability to resist pitting, while chromium helps form a protective oxide layer that prevents corrosion. Nickel increases the alloy's strength and ductility, making it particularly effective in high-temperature applications. This combination makes the ERNiCrMo-3 welding rod a powerful solution for critical repair and maintenance in industries such as aerospace and chemical processing.

Application / Usage

ERNiCrMo-3 welding rod is most commonly used in applications where corrosion resistance, high-temperature strength, and weldability are critical. Its primary applications include:

1. Aerospace Industry:

• Welds in turbine engines, reactors, and exhaust systems that are exposed to high temperatures and corrosive gases.

2. Chemical Processing:

• Used for welding chemical reactors, heat exchangers, and vessels that are exposed to harsh chemicals and high temperatures.

3. Marine Industry:

• Suitable for marine turbines, piping systems, and offshore platforms exposed to saltwater corrosion.

4. Power Generation:

• Ideal for welding in boilers, gas turbines, and reactors in nuclear power plants.

5. Food Processing:

• Can be used in equipment exposed to corrosive substances in the food industry, maintaining integrity in high-temperature applications.

Advantages / Selling Points

• Corrosion Resistance: ERNiCrMo-3 provides outstanding resistance to corrosion in aggressive environments, making it ideal for marine, chemical, and power generation industries.

• High-Temperature Strength: With high-temperature stability up to 1,100°C (2,012°F), it is perfect for applications in turbines, reactors, and aerospace systems.

• Low Hydrogen Content: The low-hydrogen flux coating minimizes the risk of cracking, resulting in high-quality, crack-free welds.

• Versatility: Suitable for welding nickel-based alloys such as Inconel and Incoloy, as well as other high-performance materials.

• Smooth Welding Performance: Produces smooth, clean weld beads with minimal spatter and strong joints that meet high-performance standards.

Parameters Table / Selection Table