ENiCrFe-3 Welding Rod

 

 

• High-temperature crack-resistant pioneer: Designed specifically for welding needs in high-temperature environments, the weld metal has excellent crack resistance. At working temperatures up to 815°C, it can still effectively resist cracks caused by thermal stress, ensuring the long-term stability of the welded structure. ​
• Dissimilar metal welding expert: It can achieve high-quality welding between nickel-chromium-iron alloys and various steels, such as low-temperature steel, martensite to austenite steel, and other dissimilar metals, and build a strong and stable connection between different materials. ​
• Low-temperature toughness guarantor: Even in an extremely low-temperature environment of -196°C, the deposited metal still maintains high toughness, providing reliable protection for the welding of low-temperature equipment.

 

 

• Welding rod pretreatment: Before use, the welding rod needs to be placed in an oven at 350-400°C for 30-60 minutes to remove the moisture absorbed by the welding rod during storage, ensure arc stability during welding, and reduce defects such as pores. ​
• Material cleaning: Use mechanical grinding or chemical cleaning to thoroughly remove impurities such as oil, rust, scale, etc. on the surface of the welding area of the parent material until the metallic luster is exposed. The presence of impurities will affect the quality of the weld and cause welding defects. ​
• Groove preparation: According to the thickness of the parent material and welding requirements, select a suitable groove form, such as V-type, U-type, etc. The groove angle and blunt edge size must be strictly controlled to ensure the penetration and weld formation during welding.

 

 

AWS A5.11: Strictly follow the A5.11 standard established by the American Welding Society (AWS) for production. This standard has strict regulations on the chemical composition, mechanical properties, welding process performance, etc. of nickel and nickel alloy welding rods to ensure that the product quality reaches the internationally recognized level.

 

EN ISO 14172: Complies with the EN ISO 14172 standard issued by the European Committee for Standardization (CEN), further proving that the product meets the requirements of European and international related industries in terms of chemical composition and deposited metal properties.

 

 

• Shielding gas: When using gas shielded welding, it is recommended to use argon with a purity of ≥99.99% as shielding gas. Argon can effectively isolate the air, prevent metal oxidation during welding, and ensure the quality of the weld. ​

 

• Welding tools: Use a high-quality DC welding machine to ensure stable welding current output and meet the strict requirements of ENiCrFe-3 electrodes for welding parameters. At the same time, prepare stainless steel wire brushes, angle grinders and other tools for cleaning the base material before welding and finishing the weld after welding.

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