AWS A5.11 Welding Rod Electrode ENiCrFe-7 Ni307-7 UNS W86152 3mm 3.5mm 4mm Inconel 690 SMAW

Electrode ENiCrFe-7

Product Information:

ENiCrFe-7 is a high-performance nickel-chromium-iron alloy electrode primarily used for Shielded Metal Arc Welding (SMAW). It is designed for welding high-strength alloys, particularly Inconel and Incoloy alloys, and is highly suitable for corrosion-resistant applications in industries like aerospace, chemical processing, and power generation. ENiCrFe-7 is also known as:

• Nickel-Chromium-Iron Electrode

• AWS A5.11 ENiCrFe-7

• UNS W86145 Electrode

  

The electrode is available in various diameters and comes with a flux coating that enhances its performance during welding.

Material Composition:

• Ni ≥ 60%

• Cr 20–25%

• Fe 15–20%

• Mn ≤ 1.5%

• Si ≤ 0.5%

• C ≤ 0.10%

• S ≤ 0.03%

• P ≤ 0.04%

• Additional trace elements include Co, Cu, Mo, and others.

Appearance / Color:The electrode has a solid steel core with a light gray to tan flux coating that helps provide a stable arc and reduces spatter.

Core Wire Diameter:

• 2.5 mm

• 3.2 mm

• 4.0 mm

• 5.0 mm (other sizes upon request)

Flux Coating:30–35% by weight, formulated for low-hydrogen output, ensuring a clean, strong, and crack-resistant weld.

Packaging:5.0 kg sealed boxes.

Welding Series:

• ENiCrFe-7, ENiCrFe-2, ENiCrMo-3, ENiCu-7

Standard:

• Conforms to AWS A5.11 and ASME SFA A5.11 standards.

  

  
  

Characteristics:

• High-Strength Weld Deposit: Provides excellent resistance to high-temperature oxidation and corrosion, making it ideal for use in high-temperature environments.

• Excellent Weldability: The flux coating ensures good arc stability, easy slag removal, and reduced porosity.

• Crack Resistance: Designed to minimize the chances of cracking in welds, especially in high-stress applications.

• Low-Hydrogen Coating: Reduces the risk of hydrogen-induced cracking and ensures a clean, strong weld.

Technology:

• Welding Process Compatibility: ENiCrFe-7 is suitable for SMAW, TIG, and MIG welding processes.

• Weld Metal Properties: The alloy is designed to provide a strong bond between the base material and the weld metal, which is resistant to oxidation and corrosion at elevated temperatures.

• Stable Arc: The electrode provides a stable arc, making it easier for welders to manage their welding tasks, especially when working with materials that are prone to distortion or cracking.

Theory:

ENiCrFe-7 is based on a nickel-chromium-iron composition, combining the benefits of high corrosion resistance, high-temperature stability, and strength. The electrode's flux coating stabilizes the arc, reduces spatter, and minimizes porosity in the weld, resulting in a clean, high-quality weld joint.

Application/Usage:

ENiCrFe-7 is used in applications that require excellent high-temperature strength, corrosion resistance, and weldability. It is commonly used in:

• Welding of high-temperature alloys such as Inconel 625 and Incoloy 825.

• Aerospace: For repairs and welding of turbine engine components.

• Chemical Industry: Used for welding pipes and tanks in acidic environments.

• Power Generation: Ideal for welding turbine blades and other high-stress components.

Size:

• 2.4 mm / 3.2 mm / 4.0 mm / 5.0 mm

• Available in other sizes upon request.

Advantages / Selling Points:

• High Temperature Performance: ENiCrFe-7 excels in high-temperature environments, making it ideal for power generation and aerospace applications.

• Corrosion Resistance: Offers excellent resistance to oxidation and corrosion, which is essential in industries like chemical processing.

• Versatility: Suitable for welding a variety of materials, including high-strength nickel-based alloys, stainless steels, and cast irons.

• Crack Resistance: Designed for low hydrogen content, reducing the risk of cracking in welds and ensuring a durable and long-lasting weld joint.

Packaging Information:

• Available in 5.0 kg sealed boxes.

Welding Series:

• ENiCrFe-7, ENiCrFe-2, ENiCrMo-3, ENiCu-7.

Standard Certification:

• AWS A5.11 and ASME SFA A5.11 certified.

Form:

• SMAW (5 kg/box)

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