DZX Alloy High Quality Electrodes ENiCrMo-4 C276 3mm 3.5mm 4mm SMAW TIG MIG Welding

Product Information
ENiCrMo-4 C276 electrodes are high-quality welding consumables used for welding nickel-based alloys, including Hastelloy C-276, Inconel 625, and Incoloy 825. These electrodes are suitable for Shielded Metal Arc Welding (SMAW), Tungsten Inert Gas (TIG), and Metal Inert Gas (MIG) welding applications. Designed for critical high-temperature environments, they offer excellent resistance to corrosion, oxidation, and thermal fatigue. They are available in various sizes, including 3mm, 3.5mm, and 4mm, to meet a wide range of welding requirements.

Other Names and Codes

• Nickel-Chromium-Molybdenum Electrode

• AWS A5.11 ENiCrMo-4

• UNS W86113 Electrode

• Hastelloy C-276 Electrode

Material Composition

• Ni ≥ 58%,

• Cr 20–24%,

• Mo 8–10%,

• Fe ≤ 5%,

• C ≤ 0.10%,

• Mn ≤ 1%,

• Si ≤ 0.50%,

• Co ≤ 0.50%,

• Other trace elements include Cu, P, S.

Appearance / Color

• The electrodes have a solid steel core and a gray or tan flux coating, providing stable arc performance and easy slag removal.

Core Wire Diameter

• Available in 3mm, 3.5mm, and 4mm diameters (other sizes available on request).

Flux Coating

• The flux coating is formulated for low-hydrogen output, reducing the likelihood of cracking and ensuring optimal weld bead quality.

Packaging

• Sealed in 5.0 kg boxes for easy handling and storage.

Characteristics

• Corrosion Resistance: Excellent resistance to corrosion in acidic and oxidative environments.

• High-Temperature Strength: Performs well in high-temperature applications, making it ideal for gas turbines and high-performance equipment.

• Good Arc Stability: Produces a stable arc during welding, even in challenging positions.

• Low-Hydrogen Coating: Reduces the risk of hydrogen-induced cracking, especially important for welding nickel-based alloys.

• Versatile: Suitable for use in SMAW, TIG, and MIG welding processes, offering flexibility for various welding applications.

Technology
ENiCrMo-4 C276 electrodes are manufactured using advanced techniques such as vacuum induction melting (VIM) and vacuum arc remelting (VAR). These methods ensure high purity and uniformity in the electrode material, leading to enhanced performance during welding. The flux coating is specially formulated to create low-hydrogen conditions, which minimizes the risk of cracking and improves weld strength. The electrodes are designed for compatibility with both manual and automatic welding processes.

Theory
The fundamental principle behind the use of ENiCrMo-4 C276 electrodes lies in their ability to form a stable weld metal that retains its mechanical properties at high temperatures. The high molybdenum content ensures excellent resistance to pitting and crevice corrosion, while the chromium content provides oxidation resistance. This combination of alloying elements makes ENiCrMo-4 C276 an ideal choice for critical applications requiring exceptional weld integrity in high-temperature and corrosive environments.

Applications/Usage

1. Aerospace Industry:
   ENiCrMo-4 C276 is used for welding critical components such as turbine blades, rings, and exhaust systems, where resistance to high temperature and corrosion is essential.

2. Power Generation:
   Commonly used for welding turbine blades, heat exchangers, and other components exposed to high thermal and mechanical stress.

3. Chemical Processing and Petrochemical Industry:
   Applied in welding reactors, heat exchangers, and piping systems in environments with high-temperature and corrosive chemicals.

4. Marine Applications:
   Used for welding equipment exposed to seawater and other corrosive elements, such as heat exchangers, seawater piping, and tanks.

Specification Table

Advantages

• Exceptional Corrosion Resistance: Ideal for environments exposed to corrosive chemicals, seawater, and high temperatures.

• Superior Weld Quality: The low-hydrogen flux coating provides a smooth, strong weld with minimal slag formation.

• Versatile Applications: Suitable for SMAW, TIG, and MIG welding processes, offering flexibility for various applications.

• High Temperature Performance: Performs well in high-temperature environments, making it ideal for power generation, aerospace, and chemical processing industries.

• Wide Size Range: Available in different diameters (3mm, 3.5mm, 4mm) to suit various welding needs.

Service

• Custom Sizes: Available in multiple diameters and lengths, customized to meet the specific needs of your welding projects.

• Technical Support: Our expert team offers advice on welding parameters, material compatibility, and process optimization.

• Fast Delivery: Standard sizes are available from stock, with expedited shipping for urgent orders.

• Quality Assurance: Each batch is rigorously tested for chemical composition, mechanical properties, and performance to ensure the highest quality standards.

• After-Sales Support: Dedicated customer service team to assist with any post-purchase inquiries and technical troubleshooting.

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