ERNiCr-3 Welding Wire

ERNiCr-3 is a nickel-chromium iron series nickel-based welding wire, the cladding metal has good mechanical properties, as well as good corrosion resistance, oxidation resistance, high creep strength. Stable arc, beautiful forming, hot metal flow number, with excellent welding process performance.

chemical component

（C）≤0.1%

（Mn）2.5 - 3.5%

（Si）≤0.5%

（Cr）18.0 - 22.0%

（Ni）≥67%，

（Fe）≤3.0%

（P） ≤0.03%

（Cu）≤0.5%

（S）≤0.015%

（Nb + Ta）2.0 - 3.0%

Application: Suitable for the welding of nickel-chromium iron alloy, for the welding of creep resistance joints, such as Inconel600, Inconel601, Inconel800 alloy itself and their welding with carbon steel, Stainless Steel dissimilar materials, can also be used for surface surfacing welding.

Material advantage

1.    Excellent corrosion resistance: ERNICR-3 contains a high proportion of nickel and chromium, giving it good corrosion resistance.

2.    High temperature strength: The alloy composition and special treatment of ERNICR-3 welding wire make it have high strength and toughness at high temperatures.

3.    The ERNICR-3 wire is suitable for welding high-alloy steel, stainless steel, nickel-based alloys and other corrosion-resistant alloys including zirconium, tungsten, cobalt and tantalum.

4.    Beautiful welds: The welds formed by ERNICR-3 welding wires are beautiful, smooth and without pores.

5.    Low thermal cracking sensitivity: Due to the low iron content, the thermal cracking sensitivity at low temperatures is also low.

Application area

1.    In the aerospace field, ERNiCr-3 is often used in the welding of aircraft engine components, heat exchangers and other key parts. Its excellent high temperature performance and creep resistance ensure structural stability and reliability under extreme temperature changes and high stress environments.

2.    In the petrochemical industry, it is used to weld equipment and pipelines in contact with corrosive media, such as in harsh environments such as hydrochloric acid and sulfuric acid, showing excellent corrosion resistance and effectively extending the service life of equipment.

3.    In the field of energy and power, ERNiCr-3 can be used to weld nuclear reactor components, natural gas processing equipment, etc., under high temperature and high pressure conditions, to ensure the quality and performance of welded joints, to ensure the safe and stable operation of equipment.