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Nickel
Pure nickel is a silvery white metal. Because the surface is oxidized at room temperature to form a dense and tight protective film, it has excellent corrosion resistance. Pure nickel has excellent kneading performance and processing performance, and can be processed into tubes, rods, wires, plates, strips, foils and other products.
Pure nickel material has good corrosion resistance in any concentration and temperature of NaOH solution and molten NaOH above 400°C. Pure nickel materials have good corrosion resistance to Na2O2, Na2CO3, NaHCO3 and alkaline solutions or molten liquids containing KNO3.
Physical properties of pure nickel
| Density (g/cm3) | Melting point /℃ | |
| Pure Nickel | 8.9 | 1453 |
Chemical composition of pure nickel
| Grade | Chemical element | Content(quality%) | |||||||||||
| Ni+Co | Cu | Si | Mn | C | Mg | S | P | Fe | Pb | Cr | Sum of impurities | ||
| N4 | Minimum value | 99.9 | – | – | – | – | – | – | – | – | – | – | – |
| Maximum value | – | 0.015 | 0.03 | 0.002 | 0.01 | 0.01 | 0.001 | 0.001 | 0.04 | 0.001 | 0.1 | ||
| N5 (N02201) |
Minimum value | 99 | – | – | – | – | – | – | – | – | – | – | |
| Maximum value | – | 0.25 | 0.3 | 0.35 | 0.02 | – | 0.01 | – | 0.4 | – | 0.2 | ||
| N6 | Minimum value | 99.5 | – | – | – | – | – | – | – | – | – | – | – |
| Maximum value | – | 0.01 | 0.01 | 0.05 | 0.1 | 0.1 | 0.005 | 0.002 | 0.1 | 0.002 | 0.5 | ||
| N7 (N02201) |
Minimum value | 99 | – | – | – | – | – | – | – | – | – | – | – |
| Maximum value | – | 0.25 | 0.3 | 0.35 | 0.15 | 0.01 | 0.4 | 0.2 | |||||
| N8 | Minimum value | 99 | – | – | – | – | – | – | – | – | – | – | – |
| Maximum value | – | 0.15 | 0.15 | 0.2 | 0.2 | 0.1 | 0.015 | 0.3 | 0.002 | 1 | |||
| DN (Electric vacuum nickel) |
Minimum value | 99.35 | 0.02 | 0.02 | 0.02 | – | – | – | – | – | – | ||
| Maximum value | – | 0.05 | 0.1 | 0.05 | 0.1 | 0.1 | 0.005 | – | 0.1 | 0.002 | – | – | |
| NY1 | Minimum value | 99.7 | – | – | – | – | – | – | – | – | – | – | – |
| Maximum value | – | 0.1 | 0.1 | – | 0.02 | 0.1 | 0.005 | – | 0.1 | – | – | 0.3 | |
Grade and standard of pure nickel
| Grade | Sheet | Strip | Tube | Rod | Wire | Forging |
| N4 | GBT2054 | GBT2072 | GB/T2882 | GB/T4435 | GB/T21653 | NBT47028 |
| NB/T47046 | NB/T47047 | |||||
| N5 (N02201) |
GBT2054 | GBT2072 | GB/T2882 | GB/T4435 | GB/T26030 | |
| ASTM B162 | ASTM B162 | ASTM B161 | ASTM B160 | |||
| N6 | GBT2054 | GBT2072 | GB/T2882 | GB/T4435 | ||
| N7 (N02201) |
GBT2054 | GBT2072 | GB/T2882 | GB/T4435 | GB/T26030 | |
| ASTM B162 | ASTM B162 | ASTM B161 | ASTM B160 | |||
| N8 | GBT2054 | GB/T2882 | GB/T4435 | |||
| DN | GBT2054 | GBT2072 | GB/T2882 |
Choices of Nickel
Use of pure nickel
Pure Nickel is used in the manufacture of chemical equipment such as pipelines, heat exchangers, evaporators, heaters, reactors, etc.; targets for various coatings; electrodes, etc.
