Nimonic 86 is a high performance сплав на основе никеля that is part of the Nimonic Alloy family. Designed for high-temperature service, this alloy has excellent oxidation resistance and also resists carburization. The result is a durable alloy that will keep your трубы а также арматура in service for years to come.
Nimonic 86 | UNS N07086
Nimonic 86 is a solid solution strengthened alloy, which means it cannot be age hardened. Its strength is realized through its chemical composition. It contains high levels of хром а также молибден, which provide excellent resistance to high-temperature oxidation and carburization. It provides reliable performance at temperatures up to 1100 ℃ (2012 ℉).
Key Advantages of Nimonic 86
Nimonic 86 can withstand continuous operating temperatures up to 1100°C (2012°F) while providing oxidation resistance.
Retains its shape under prolonged stress and at high temperatures. Good resistance to деформация ползучести, although age hardening is not possible.
Nimonic 86 is easy to weld, simplifying complex fabrication.
Retains its properties when exposed to heat, making it ideal for high-temperature applications.
Nimonic 86 VS 310S Stainless Steel
| Характеристика | Nimonic 86 | 310S Stainless Steel |
|---|---|---|
| Стоимость | Высокий | Средний |
| Fabrication | Requires specific welding | Easier, more common |
| Сопротивление ползучести | Good | Good |
| Primary Use | High-temp, oxidation resist. | High-temp, non-load-bearing |
Химический состав
| Элемент | Ni | Cr | Пн | Fe | C | Si | Mn | Ti | Al |
|---|---|---|---|---|---|---|---|---|---|
| Content (wt%) | Остаток средств | 19.5-21.5 | 1.5-2.5 | 5.0 Max | 0.05-0.10 | 0.5 Max | 0.5 Max | 0.2-0.5 | 0.2-0.5 |
Механические свойства
| Имущество | Предел прочности | Предел текучести (смещение 0,2%) | Удлинение | Hardness (HRC) | Max. Service Temp |
|---|---|---|---|---|---|
| Value (Typical) | ≥700MPa(101ksi) | ≥300MPa(43.5si) | ≥30 | 220 Max | Up To 1100℃(2012℉) |
Nimonic 86 in High Temperature Piping Systems
- Gas Turbine Components: Nimonic 86 can withstand high heat and stress. It can be used for burner liners, flame tubes, aerospace and power generation.
- Furnace Components: Furnace linings and shrouds. Withstands sustained high temperatures and resists scaling.
- Pipes and Bellows: High-temperature pipes and expansion bellows can be made from raw materials that can withstand thermal cycling.
- Piping Systems: Key fittings require extreme heat resistance, and Nimonic 86 delivers.
Sourcing and Fabricating Nimonic 86
A complete Отчет об испытаниях материала (MTR) is required. It verifies the precise composition of the alloy and ensures its performance.
Работа с 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 и CE-PED certified.
It is difficult to machine and requires special tools. Specific welding techniques are essential to ensure 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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