| Equivalent Grade | ● UNS N02270 ● W.Nr.: 2.4061 ● Chinese Standard: N4 |
| Standard | ● Sheet/Plate: ASTM B162 ● Seamless Pipe: ASTM B161 ● Bar: ASTM B160 High-purity pure nickel standard, strictly controlling impurity content |
| Alloy Type | High-Purity Pure Nickel Alloy (Nickel Content ≥99.97%, Ultra-Low Impurities) |
| Standard | Sheet, Bar, Pipe, Tube, Fittings, Flange, Welding Materials, Wire, Foil, Precision Strip |
| Key Properties | ● Purity is much higher than Nickel 200, with extremely low impurity content and better corrosion resistance ● Excellent corrosion resistance to alkaline media (caustic soda, soda ash), and resistant to neutral and weakly acidic media ● Electrical and thermal conductivity is better than ordinary pure nickel, excellent plasticity, extremely good hot and cold forming performance ● Excellent weldability, no stress after welding, outstanding toughness, and excellent low-temperature and high-temperature stability |
| Applicable Environment | High-purity requirement scenarios, high-end alkaline chemical industry, electronic semiconductors, precision instruments, nuclear power auxiliary, low-temperature/high-temperature working conditions, high-purity medium transmission |
| Typical Applications | High-Purity Caustic Soda Equipment, Electronic Semiconductor Components, Precision Instrument Conductive Parts, Nuclear Power Auxiliary Pipelines, High-Purity Medium Storage Tanks, Low-Temperature Vessels, Foil Electrodes, etc. |