DZX Alloy AWS A5.11 Electrode ENiCrMo-3 3mm 3.5mm 4mm Inconel 625 Welding

Product Information
The ENiCrMo-3 Electrode is a high-performance nickel-chromium-molybdenum alloy electrode designed for welding high-strength, corrosion-resistant alloys like Inconel 625 and Incoloy 825. It is widely used in critical industries such as aerospace, chemical processing, and power generation. These electrodes are suitable for Shielded Metal Arc Welding (SMAW), providing excellent resistance to corrosion and oxidation at elevated temperatures.

Other common names for this product include:

• Nickel-Chromium-Molybdenum Electrode

• AWS A5.11 ENiCrMo-3

• UNS W86112 Electrode

• Inconel 625 Electrode

  

Material Composition

• Nickel (Ni) ≥ 55%

• Chromium (Cr) 20–23%

• Molybdenum (Mo) 8–10%

• Iron (Fe) ≤ 7%

• Manganese (Mn) ≤ 1.0%

• Silicon (Si) ≤ 0.50%

• Carbon (C) ≤ 0.10%

• Phosphorus (P) ≤ 0.03%

• Sulfur (S) ≤ 0.03%

• Cobalt (Co) ≤ 1.0%

• Trace elements: Copper (Cu), Tungsten (W), and others.

Appearance / Color
The electrode has a solid steel core, coated with a light gray or tan flux coating. This flux coating provides a stable arc during the welding process, contributing to smooth welds and reducing spatter.

Core Wire Diameter

• Available in diameters of 3mm, 3.5mm, and 4mm for versatility across different welding applications.

Flux Coating

• The flux coating is specifically formulated to provide low-hydrogen output, preventing the formation of hydrogen-induced cracking in the welded joints.

Packaging

• Electrodes are packaged in sealed boxes of 5.0 kg, ensuring safe and convenient handling.

Characteristics

• Corrosion Resistance: ENiCrMo-3 offers exceptional resistance to both general and localized corrosion, making it suitable for applications in harsh environments like acids, seawater, and high-temperature systems.

• High-Temperature Performance: These electrodes can withstand elevated temperatures up to 1000°C (1832°F), making them ideal for high-temperature welding, such as in power plants and aerospace.

• Oxidation Resistance: The electrode’s high content of chromium and molybdenum provides outstanding protection against oxidation, especially in applications involving high-temperature oxidizing conditions.

• Weldability: ENiCrMo-3 electrodes offer superior weldability, with minimal spatter and slag, resulting in smooth and strong welds.

• Low-Hydrogen Coating: The low-hydrogen coating minimizes the risk of weld cracking and improves the overall quality of the weld.

Technology
ENiCrMo-3 electrodes are manufactured using high-quality nickel alloys and advanced manufacturing processes. These include vacuum induction melting (VIM) and vacuum arc remelting (VAR) to ensure a high level of purity and consistency in the alloy. The flux coating is specifically engineered to offer a low-hydrogen output, which is critical for producing high-quality welds in nickel alloys, especially in critical applications.

Theory
The combination of nickel, chromium, and molybdenum in the ENiCrMo-3 electrode provides excellent resistance to both localized and general corrosion. Chromium increases oxidation resistance, while molybdenum helps resist pitting and crevice corrosion. The nickel content enhances the electrode's ability to withstand high temperatures without degrading, making it suitable for welding high-performance alloys like Inconel 625, Incoloy 825, and other heat-resistant materials.

Application/Usage
ENiCrMo-3 electrodes are commonly used in industries that require materials to perform in extreme environments, such as:

1. Aerospace
   ENiCrMo-3 is used to weld turbine blades, engine components, and exhaust systems in aircraft engines, which must withstand high temperatures and pressure cycles.

2. Chemical Processing & Petrochemical
   Ideal for welding reactors, heat exchangers, and other equipment exposed to aggressive chemicals, such as acids and chlorides. It is frequently used in the chemical and petrochemical industries for its excellent corrosion resistance.

3. Power Generation
   ENiCrMo-3 electrodes are used in power plants to weld components exposed to high temperatures, including turbine blades and heat exchangers. These electrodes can withstand the high thermal stresses typical in power generation systems.

Specification Table

Advantages

• Excellent Corrosion Resistance: Provides outstanding protection in aggressive environments such as acid, seawater, and high-temperature conditions.

• Superior High-Temperature Performance: Withstands elevated temperatures, making it ideal for critical applications in aerospace and power generation.

• Low-Hydrogen Flux Coating: Minimizes the risk of cracking and ensures high-quality, clean welds with minimal spatter.

• Versatile Welding: Suitable for SMAW, TIG, and MIG welding methods, providing flexibility for different welding processes.

• Available in Multiple Sizes: Available in common diameters such as 3mm, 3.5mm, and 4mm to suit various welding applications.

Service

• Customization Available: We offer custom diameters and lengths to meet specific customer requirements.

• Expert Technical Support: Our team is ready to provide advice on welding parameters, alloy compatibility, and process optimization.

• Quick Delivery: Fast and reliable shipping options to ensure timely delivery of your electrodes.

• Quality Assurance: Every batch is carefully inspected for quality to ensure compliance with industry standards and customer expectations.

• After-Sales Support: We offer ongoing support and assistance with any questions or issues related to the electrodes and welding processes.

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