铁—镍—钴玻璃封合金4J29
Introduction
Iron-Nickel-Cobalt Glass Sealing Alloy 4J29 is a kind of casting or hot-forging cobalt-based alloy, which has high melting point of 1700℃－1850℃, high tensile strength and can keep its shape and properties in bearing conditions of higher temperature and pressure. Generally speaking, the primary use of 4J29 is in preparing seal based parts or other components used in high temperature and pressure environments.
Chemical Properties
The chemical composition of Iron-Nickel-Cobalt Glass Sealing Alloy 4J29 is as following (wt%):
Ni: 24-26
Co: 21-25
Fe: Remainder
Re: ≤ 0.03
Si: ≤ 0.01
Physical Properties
The specific physical properties of Iron-Nickel-Cobalt Glass Sealing Alloy 4J29 are as following (wt%):
Density: 8.4
Melting point: 1700℃－1850℃
Ultimate strength: ≥580MPa
Elongation: ≥12%
Application
Iron-Nickel-Cobalt Glass Sealing Alloy 4J29 is widely used to prepare material parts suitable for high temperature and pressure environment, such as internal combustion engine components, high-temperature valve parts, sealing components and strong airtight containers. In aerospace industry this alloy is used to make airframe components, meters and various turbine engines.
Advantage
Iron-Nickel-Cobalt Glass Sealing Alloy 4J29 has great advantages, such as high melting point, high thermal conductivity and low vapor pressure. It also has a very low coefficient of thermal expansion, which makes it an ideal material for parts exposed to high temperatures and pressure. Moreover, it possesses great corrosion resistance, wear resistance and strength, which makes it suitable for long-term and reliable applications.
Conclusion
To sum up, Iron-Nickel-Cobalt Glass Sealing Alloy 4J29 is an excellent material for high temperature and pressure components, making it a common choice for aerospace and automotive industry. With its excellent properties this alloy offers superior performance and is likely to keep its popularity in the near future.
铁—镍—钴玻璃封合金 4J44
Introduction
Iron-Nickel-Cobalt Glass Sealing Alloy 4J44 is a cobalt-based alloy that is used mainly in hot working or in casting under the conditions of high temperature and pressure. It offers excellent properties in terms of ductility, corrosion resistance, strength and hardness. With a high melting point and low coefficient of thermal expansion, 4J44 is mainly used in the high temperature environments of aerospace and automotive industry.
Chemical Properties
The chemical composition of Iron-Nickel-Cobalt Glass Sealing Alloy 4J44 is as following (wt%):
Ni: 20-22
Co: 18-23
Fe: Remainder
Re: ≤ 0.02
Si:≤0.01
Physical Properties
The specific physical properties of Iron-Nickel-Cobalt Glass Sealing Alloy 4J44 are as following (wt%):
Density: 8.29
Melting point:1700℃－1800℃
Ultimate strength: ≥ 610MPa
Elongation: ≥ 10%
Application
Iron-Nickel-Cobalt Glass Sealing Alloy 4J44 is mainly used for the construction of components for the high temperature and pressure environment. Such components include jet engines, valves, compressors and turbopumps. Furthermore, due to its superior corrosion resistance, 4J44 is also used to make components of higher corrosion resistance parts.
Advantage
Iron-Nickel-Cobalt Glass Sealing Alloy 4J44 possesses good mechanical strength and excellent corrosion resistance, which makes it ideal for parts exposed to high temperatures and pressure. Moreover, it has a low coefficient of thermal expansion, good thermal conductivity and high melting point, making it well suited for aerospace and automotive applications.
Conclusion
To sum up, Iron-Nickel-Cobalt Glass Sealing Alloy 4J44 is widely used in the aerospace and automotive industry due to its excellent properties. Its high melting point and low coefficient of thermal expansion make it a great choice for components that need to be exposed to high temperature and pressure. In addition, its superior corrosion resistance, strength and hardness make it an ideal solution for more demanding applications.
