High chromium ferritic stainless steel 00Cr25Ni4Mo4Ti (UNSS44635) physical properties

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Introduction

00Cr25Ni4Mo4Ti (UNSS44635) is a high chromium ferritic stainless steel that has excellent resistance to stress corrosion cracking (SCC) and pitting in chloride containing environments. 00Cr25Ni4Mo4Ti is commonly found in a variety of industrial and marine applications, such as heat exchangers, condensers, and heaters. This material provides exceptional resistant to a wide range of aggressive media, both organic and inorganic, making it an optimal choice for many industrial and marine applications.

Chemical Composition

The chemical composition of 00Cr25Ni4Mo4Ti is as follows: Carbon (C) 0.02%, Chromium (Cr) 24.45-25.20%, Nickel (Ni) 4.00-4.50%, Molybdenum (Mo) 4.00-4.50%, and Titanium (Ti) 0.15-0.30%.

Physical Properties

The physical properties of 00Cr25Ni4Mo4Ti are as follows: Tensile strength (MPa) 690-850, Yield strength (MPa) 425-660, Elongation (%) ≥35, Brinell hardness (HBW) 220-250, and thermal conductivity (W/m•K) 4.5.

Mechanical Properties

The mechanical properties of 00Cr25Ni4Mo4Ti are as follows: Tensile strength (MPa) 745-890, Yield strength (MPa) 450-650, Elongation (%) >40, Evaluation temperature (°F) 212, Charpy impact (J) 317-395, and heat treatment temperature (Hz/W) 815/850.

Corrosion Resistance

00Cr25Ni4Mo4Ti provides excellent corrosion resistance in a variety of environments, including those containing chlorides. In the presence of chloride, this material provides excellent resistance to pitting and stress corrosion cracking (SCC). It is also highly resistant to intergranular attack and exfoliation corrosion.

Weldability

00Cr25Ni4Mo4Ti has good weldability and can be easily welded using the TIG and MIG welding processes. Preheat and post weld heat treatment should be performed in order to ensure the full strength of the weld.

Applications

Due to its excellent combination of strength, corrosion resistance, and weldability, 00Cr25Ni4Mo4Ti is used in a variety of applications, including heat exchangers, condensers, and heaters. It is also used in tanks, piping, and other components found in numerous industrial and marine applications.

Conclusion

00Cr25Ni4Mo4Ti is a high chromium ferritic stainless steel that provides excellent resistance to stress corrosion cracking and pitting in chloride containing environments. It has excellent mechanical and corrosion resistance, making it an ideal choice for many industrial and marine applications. In addition, it has good weldability, making it easy to fabricate into the desired shape.

00Cr25Ni4Mo4Ti (UNS S44635) ferritic stainless steel is a steel grade composed of a ferritic low carbon matrix, containing about 25% chromium and usually containing 4% Nickel and 4% Molybdenum, which guarantees good corrosion resistance and excellent mechanical properties.

00Cr25Ni4Mo4Ti is a high alloy ferritic stainless steel with high strength and toughness and excellent corrosion resistance. Additional alloying elements such as titanium enhances its mechanical properties. This steel material is known for its ductility and superior resistance to stress cracking. It has good resistance to strong oxidizing agents, organic acids, low temperature corrosion, and pitting and crevice corrosion. This steel material also has good high temperature oxidation resistance, however, is more susceptible to high temperature scaling. This steel material should never be exposed to temperatures above 600°C.

00Cr25Ni4Mo4Ti ferritic stainless steel offers superior device mechanical properties. It offers good high temperature strength and dimensional stability, making it ideal for applications that require high-temperature durability. This steel material has a higher mechanical strength than austenitic stainless steel and is commonly used in the construction of corrosion-resistant components for pressure vessels and pipework. This steel grade also provides superior welding and forming characteristics.

00Cr25Ni4Mo4Ti ferritic stainless steel is popular due to its machinability, strength and corrosion resistance. Applications for this steel material include medical instruments, storage tanks and oil and gas equipment. It is also used for component manufacturing and for food processing equipment.