EN1.4507 UNS S32550 | Ferrinox 255 Senrusta ŝtalo

What is UNS S32550 Stainless Steel?

UNS S32550 is a type of duplex stainless steel admired for its high strength and excellent corrosion resistance. It contains a balanced mix of austenitic and ferritic phases, resulting in improved structural integrity and durability.

This stainless steel alloy is designed to perform under extreme conditions. Its benefits include:

• Outstanding resistance to pitting and crevice corrosion.
• High yield strength compared to many stainless steel grades.
• Superior stress corrosion cracking resistance.

1.4507 Mechanical roperties

1.4507, this stainless steel grade that has been given many aliases – 1.4507, UNS S32550 and A182 F61, dominates the material industry with its excellent performance. It has outstanding resistance to localized corrosion in chloride media while maintaining high strength mechanical properties. When we deeply explore the mechanical properties of 1.4507, we find that its tensile strength is as high as over 760 N/mm², and its yield strength at 0.2% is no less than 550 N/mm². Krome, its elongation rate reaches an astonishing over 25%, and its hardness HB30 is controlled below 270 HB, which demonstrates its reliability in various application scenarios.

Tensile strength, Rm: 700 – 900 MPa
The yield point, Rp0,2: >500 MPa
Plilongigo, A:> 25%
Modulus of elasticity, E: 200 GPa
Hardness, HB: <270
Thermal capacity, cp: 500 J * kg-1 * K-1
Thermal conductivity, λ: 15 W * m-1 * K-1
Linear expansion coefficient, α: 13.0 * 10-6 K-1
Specific resistance, Ω: 0.8 mkOhm * m

1.4507 chemical composition

The chemical composition behind 1.4507 is indispensable for its excellent performance. Among them, the contents of carbon, silicon and manganese are strictly controlled within a certain range.

C：≤0.04；
Kaj：≤1.00；
Mn：≤1.50；
En：4.50-6.50；
P：≤0.040；
S：≤0.030；
Cr：24.00~27.00
Mo：2.90-3.90；
N：0.10-0.25；
CU：1.50-2.50；
To ensure the stability and durability of the material. The precise ratio of elements such as nickel, chromium, molybdenum, nitrogen, and copper endows 1.4507 with excellent corrosion resistance and mechanical strength.
In order to fully utilize the performance of 1.4507, the heat treatment process is also crucial. After high-temperature treatment at 1040 ° C and rapid cooling in air or water, the performance of 1.4507 is fully released, providing strong protection for applications in various harsh environments. Among various corrosive chemicals, including sulfuric acid, phosphoric acid, and nitric acid, 1.4507 exhibits excellent corrosion resistance. This excellent corrosion resistance makes 1.4507 widely applicable in fields such as chemical, petroleum, and marine engineering. Entute, 1.4507 has become a leader in stainless steel materials due to its excellent resistance to local corrosion in chloride media, high mechanical strength, and outstanding corrosion resistance. It has demonstrated impeccable performance in both mechanical properties and chemical composition.

Key UNS S32550 Properties and Composition

UNS S32550 offers a remarkable blend of properties due to its unique composition. This alloy comprises chromium, molybdenum, and nitrogen, enhancing its mechanical strength and corrosion resistance.

Its duplex structure provides an equilibrium of toughness and ductility, essential for many industrial uses. The alloy maintains excellent fatigue resistance, making it ideal for dynamic applications.

Notable properties include:

• High oxidation and chloride resistance.
• Exceptional durability and performance in corrosive settings.
• Stability at moderate temperatures without significant thermal expansion.

Advantages Over Other Duplex Steel Grades

UNS S32550 stands out among other duplex steel grades due to its high strength and resistance. This alloy excels in corrosive environments, reducing the need for protective coatings and frequent maintenance.

Compared to standard austenitic stainless steels, UNS S32550 offers better stress corrosion cracking resistance. Its high yield strength and fatigue resistance contribute to its durability across various applications.

Here are key advantages:

• Superior mechanical properties.
• Longer service life with low maintenance.
• Better performance in chloride-rich settings.

Common Applications of Stainless Steel UNS S32550

UNS S32550 shines in industries requiring materials that resist corrosion and wear. Its robust properties make it a go-to choice for demanding environments, enhancing equipment longevity and reliability.

This stainless steel finds its way into various sectors, notably:

• Chemical processing facilities.
• Oil and gas pipelines.
• Marine engineering projects.
• Food and beverage equipment.

Why Choose UNS S32550 for Your Project?

Choosing UNS S32550 can enhance the performance and longevity of your projects. Its unique blend of strength and corrosion resistance makes it a standout choice compared to other materials. This alloy’s consistent performance ensures reliability in varying conditions.

Consider the following benefits for your project:

• High yield strength.
• Excellent resistance to corrosion.
• Cost-effective with minimal maintenance.
• Environmentally friendly due to recyclability.

Conclusion

UNS S32550 stainless steel is an excellent choice for demanding applications requiring durability and low maintenance. Its remarkable properties, including corrosion resistance and high strength, make it an invaluable material for various industries. Opt for UNS S32550 to ensure success.