Welding of Inconel, Ni-Cr-Fe alloys, dissimilar joints
E NiCrFe 3 Trade Information
Minimum Order Quantity
100 Pieces
Delivery Time
3 Days
Packaging Details
BOX
Main Domestic Market
All India
About E NiCrFe 3
a specialized AWS-classified nickel-based welding electrode (similar to Alloy 182) used for joining nickel-chromium-iron alloys like Inconel to themselves or to carbon/stainless steels, offering excellent strength, corrosion resistance, and toughness at high and cryogenic temperatures, ideal for critical applications like furnace parts or cryogenic vessels.
Key Characteristics:
Composition: Deposits a weld metal with a Ni-Cr-Fe (Nickel-Chromium-Iron) base, often with added Manganese (Mn) and Niobium (Nb) for improved crack resistance, notes Tianjin Leigong Welding Alloys Co.,Ltd and ESWECO.
Performance: Provides high strength, good creep resistance (up to 815C), superior toughness at sub-zero temperatures (down to -196C), and resistance to corrosion and embrittlement, says ESWECO and Caston Electrode Company.
Weldability: Low-hydrogen type, suitable for all-position welding with stable arc and good operability, often with AC/DC compatibility, according to Tianjin Leigong Welding Alloys Co.,Ltd.
Applications: Welding Inconel 600/601, GH180, joining dissimilar metals (Ni-alloys to steel), cryogenic services (9% Ni steels), furnace components, and cladding.
Usage Notes:
Preparation: Electrodes require baking/drying (e.g., 300-350C for 1 hour) before use, mention ESWECO and Made-in-China.com.
Technique: Use a short arc and narrow weaving technique, notes Made-in-China.com.
Broad Compatibility for Challenging Applications
Designed for versatility, E NiCrFe 3 excels in welding difficult materials such as Inconel, as well as a variety of nickel-chromium-iron alloys and dissimilar joints. Its robust metallurgy ensures weld integrity in demanding industrial sectors.
Efficient Welds with High Strength
The heavy rutile coating paired with an impressive deposition efficiency (around 90%) delivers high-strength welds, achieving a minimum tensile strength of 600 MPa and at least 25% elongation, ensuring reliable joints even in critical applications.
Convenient Packaging and Simple Storage
Available in 5kg and 20kg boxes, E NiCrFe 3 electrodes can be easily stored in dry, moisture-free environments. This safeguards against performance loss, offering consistent quality at every use.
FAQ's of E NiCrFe 3:
Q: How should E NiCrFe 3 electrodes be stored to maintain their performance?
A: E NiCrFe 3 electrodes must be kept in a dry, moisture-free environment to prevent coating deterioration and ensure optimal welding results.
Q: What types of materials can be welded using E NiCrFe 3 electrodes?
A: These electrodes are recommended for welding Inconel, various Ni-Cr-Fe alloys, and dissimilar metal joints, making them suitable for numerous industrial applications.
Q: When is it appropriate to use E NiCrFe 3 electrodes during welding projects?
A: Use these electrodes when high mechanical strength, ductility, and compatibility with nickel-based or dissimilar materials are required, especially in high-temperature environments up to 900C.
Q: Where are E NiCrFe 3 electrodes commonly utilized?
A: E NiCrFe 3 is widely used in industries such as chemical processing, power generation, and fabrication, where welding complex or high-performance alloys is necessary.
Q: What is the recommended welding process and settings for E NiCrFe 3 electrodes?
A: Employ either AC or DC+ polarity, maintaining a voltage of 28-32 V and a welding current between 80-140 A, suitable for electrode diameters of 2.5 mm, 3.15 mm, or 4.0 mm.
Q: What are the main benefits of using E NiCrFe 3 electrodes?
A: Key benefits include high deposition efficiency, superior weld strength and ductility, reliability in dissimilar joint applications, and consistent performance at elevated temperatures.
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