ENiCrMo3 Electrode

 

• Excellent corrosion resistance: With high chromium and molybdenum content in the deposited metal, it exhibits extraordinary resistance to various highly corrosive media. In seawater environments containing chloride ions, it can effectively resist pitting and crevice corrosion, and prevent rust spots, perforations and other problems at the welds; in the face of strong acids such as hydrochloric acid and sulfuric acid, it can maintain the stability of the weld structure, ensuring that it will not be damaged by corrosion during long-term use, and provide solid protection for corrosion-prone scenes such as chemical industry and marine engineering. ​
• High temperature and high pressure stability: It can maintain excellent mechanical properties under high temperature and high pressure conditions of 650℃. The welded joint has excellent creep resistance and will not deform or crack even if it is subjected to pressure for a long time at high temperature. It is an ideal choice for welding key equipment such as high-temperature pipelines and high-pressure vessels, and can greatly improve the safety and reliability of equipment operation.​
• Excellent welding adaptability: It is good at welding similar nickel-chromium-molybdenum alloys, ensuring that the weld and the parent material performance are highly matched; it can also achieve high-quality connection between nickel-based alloys and dissimilar metals such as stainless steel and low-alloy steel, effectively relieving welding stress between dissimilar materials, and performing well in welding projects with complex structures and multiple materials.

 

• DC reverse connection: It is recommended to use DC reverse connection (DC+), which can make the arc more stable, reduce spatter, ensure the stability of the welding process, and help to obtain good weld formation and quality. ​
• Current range: The welding current needs to be adjusted reasonably according to the different diameters of the welding rod. When using a 2.6mm diameter welding rod, the flat welding current range is 95-145A; for a 3.2mm diameter welding rod, the flat welding current is 110-160A, and the vertical welding and overhead welding currents are slightly lower, at 90-130A; for a 4.0mm diameter welding rod, the flat welding current is 150-200A, and the vertical welding and overhead welding currents are 120-160A. Reasonable current setting can ensure that the welding rod is fully melted and well fused with the parent material, avoiding defects such as incomplete penetration and weld nodules. ​
• Welding speed: Generally controlled at 10-15cm/min, the specific speed needs to be fine-tuned according to the welding position, parent material thickness and actual welding conditions. Moderate welding speed can ensure uniform penetration depth and width of the weld, making the weld smooth and beautiful in appearance, while ensuring that the mechanical properties and corrosion resistance of the welded joint meet the standards.

 

 

• DC welding machine: It is recommended to use a DC welding machine with high-frequency arc ignition function, such as ZX7-500. This type of welding machine has stable current output and can accurately control the welding current size, meeting the strict requirements of ENiCrMo-3 welding rods for current stability. The high-frequency arc ignition function makes arc ignition easier, reduces damage to the parent material, and improves welding efficiency and quality. ​
• Argon gas protection equipment: If the gas shielded welding method is used, an argon gas source with a purity of ≥99.995% and a gas flow regulator are required. The gas flow is adjusted according to the welding position, set to 15-20L/min for flat welding, and 20-25L/min for vertical welding and overhead welding to ensure that the molten pool is fully protected during the welding process to prevent air intrusion from causing weld oxidation, pores and other defects. ​
• Welding rod insulation tube: Equipped with a titanium alloy welding rod insulation tube, its good insulation performance can reduce the temperature loss of the welding rod during the use process. Store the dried welding rods in a 120-150℃ insulation cylinder, and ensure that each welding rod is used within 1 hour after being taken out of the insulation cylinder to maintain the dry state of the welding rod coating and ensure a stable arc during welding.

 

 

• Rich industry experience: Since its establishment, it has been deeply involved in the field of welding materials for many years and has accumulated a lot of experience in the research and development, production and application of nickel-based welding rods. It has a deep understanding of various welding scenarios and customer needs, can accurately grasp market trends, and provide customers with welding solutions that meet actual needs, and has established a good reputation in the industry. ​
• Advanced production facilities: It has multiple modern and automated welding rod production lines. From the screening and smelting of raw materials to the forming and coating of welding rods, and then to the final quality inspection, each link uses advanced equipment and processes. Strict production process control ensures the stability and consistency of product quality. Each batch of ENiCrMo-3 welding rods can meet high quality standards. ​
• Professional technical team: It brings together a group of senior welding material experts, engineers and technicians. The team members have profound professional knowledge and rich practical experience. They can not only provide customers with pre-sale technical consultation and selection suggestions for products, but also provide on-site welding guidance after sales, solve technical problems encountered in the welding process, and provide customers with comprehensive technical support for welding projects.​
• Strict quality control: We have established a complete quality management system, starting from the source of raw material procurement, and only use high-quality raw materials such as nickel, chromium, and molybdenum to ensure that the product ingredients meet the standards. During the production process, each process is strictly inspected for quality, and the finished product must undergo multiple performance tests, including chemical composition analysis, mechanical properties test, corrosion resistance test, etc. Only products that pass all tests can enter the market, so that customers can use them with more confidence. ​ 

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