Níquel 201 is a commercially pure nickel material that provides a reliable solution for high-temprature applications.It performs exceptionally well in environments involving caustic soda and alkaline solutions.Standard tubos de aço inoxidável e conexões para tubos de aço inoxidável often lack the required durability and are susceptible to corrosion.
What is Nickel 201 | UNS N02201 : A Low-Carbon Performer!
Nickel 201 contains no less than 99.6% nickel with extremely low carbon content.This key characteristic endows it with a unique advantage : effective resistance to graphitization in high-temperature environments while maintaining excellent ductility.Consequently,Nickel 201 has become the material of choice for high-end applications,particularly where high-quality stainless steel fails to meet requirements.
Key Advantages of Nickel 201
Nickel 201 maintains stability in high-temperature environments,ensuring reliable operation under elevated temperatures while exhibiting resistance to embrittlement.
Its high purity gives it great resistance. It battles strong alkaline environments. This includes caustic soda. It resists many organic and inorganic compounds.
This pure nickel is easy to form. It can be readily welded. This is crucial for complex fabrications. It ensures strong, reliable joints for piping systems.
This alloy is very versatile. It’s used in chemical processing and electronics. Its purity and corrosion resistance are key factors.
Composição química
| Elemento | Ni | Fe | Mn | Si | Cu | C | S |
|---|---|---|---|---|---|---|---|
| Content (wt%) | ≥99.6 | 0.4 max | 0.35 Max | 0.35 Max | 0.25 Max | 0.02 Max | 0.01 Max |
Propriedades mecânicas
| Propriedade | Resistência à tracção | Resistência ao escoamento (0,2% Offset) | Alongamento | Dureza | Densidade | Faixa de fusão |
|---|---|---|---|---|---|---|
| Value (Typical) | ≥450MPa(65ksi) | ≥120MPa(17ksi) | ≥35 | ≤115 | 8.89g/cm³ | 1435−1446 ℃ |
Nickel 201 VS Nickel 200
| Recurso | Níquel 201 | Níquel 200 |
|---|---|---|
| Primary Difference | Low carbon | Standard carbon |
| Carbon Content | Up to 0.02% | Up to 0.15% |
| High-Temp Resistance | Better, over 315℃(600°F) | Good, up to 315℃(600°F) |
| Post-Weld Hardening | Less likely | Possible |
| Main Advantage | High-temp stability | High strength |
| Uso comum | High-temp caustic service | General corrosive |
| Resistência à corrosão | Excelente | |
Nickel 201 in Piping Systems
- Caustic Systems: It’s used for handling caustic soda. It resists high-temperature alkalis. This is crucial for chemical processing.
- Food Processing: It’s used for food handling equipment. Its purity prevents contamination , it is safe for human consumption.
- Chemical Processing: It’s used for handling strong acids and certain organic acids. It resists rachaduras por corrosão sob tensão.
- Heat Exchangers: It’s used for trocador de calor tubing. Its excellent thermal properties are key.
- Piping Systems: It can be used for critical stainless steel pipe fittings. These parts need extreme corrosion resistance. This ensures system integrity.
Sourcing and Fabricating Nickel 201
A complete Material Test Report (MTR) is required. It verifies the precise composition of the alloy and ensures its performance.
Trabalhar com specialized suppliers of stainless steel pipe and fittings. They understand these alloy steels and can ensure proper fabrication and quality control,and are ISO 9001 e CE-PED certified.
This alloy requires specific procedures. Proper welding technique ensures the integrity of the weld.
It is expensive, so it is important to assess whether the product has a longer service life. This can justify its higher initial cost.
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