EN10088-2 X12CrMnNiN18-9-5, also known as grade 1.4373, is a nitrogen-enhanced austenitic stainless steel with a unique combination of chromium, manganese, and nickel. This alloy is designed to offer excellent corrosion resistance, high strength, and good formability, making it suitable for a wide range of applications, especially in environments where high levels of resistance to aggressive media are required.

Chemical Composition

The chemical composition of EN10088-2 X12CrMnNiN18-9-5 is tightly controlled to ensure its unique properties. The typical chemical composition is as follows:

· Carbon (C): ≤ 0.15%

· Silicon (Si): ≤ 1.00%

· Manganese (Mn): 7.50-9.50%

· Phosphorus (P): ≤ 0.045%

· Sulfur (S): ≤ 0.030%

· Chromium (Cr): 17.00-19.00%

· Nickel (Ni): 4.50-6.50%

· Nitrogen (N): 0.10-0.25%

· Iron (Fe): Balance

Mechanical Properties

The mechanical properties of grade 1.4373 are impressive, with the following typical values:

· Tensile Strength (Rm): 650-900 MPa

· Yield Strength (Rp0.2): 300-600 MPa

· Elongation (A5): ≥ 40%

· Hardness: ≤ 269 HB or ≤ 29 HRC

Heat Treatment Conditions

The steel can be supplied in various heat treatment conditions, including:

· Solution Annealed: The material is heated to a high temperature and then rapidly cooled to achieve a soft, ductile structure.

· Cold Rolled: The steel is rolled at room temperature to increase the strength and improve surface finish.

Available Dimensions

TJC Steel Group offers EN10088-2 X12CrMnNiN18-9-5 stainless steel plates in a wide range of sizes to meet customer requirements. Typical available dimensions include:

· Thickness: 3mm to 120mm

· Width: 1000mm to 3000mm

· Length: 2000mm to 12000mm

Low-Temperature Impact Test

Grade 1.4373 is suitable for applications at low temperatures due to its good toughness. The material can be supplied with Charpy V-notch impact test results at temperatures as low as -40°C, ensuring reliability in cold environments.

Main Applications

The versatile properties of EN10088-2 X12CrMnNiN18-9-5 make it ideal for several applications, such as:

· Chemical and Petrochemical Industries: Equipment and components that require resistance to corrosive substances.

· Food Processing Equipment: Due to its non-magnetic properties and ease of cleaning.

· Architectural Applications: Cladding, facades, and decorative elements requiring high strength and corrosion resistance.

· Cryogenic Applications: Vessels and storage tanks for low-temperature services.

TJC Steel Group Supply Cases

TJC Steel Group has successfully supplied grade 1.4373 stainless steel plates to various industries, including:

· A chemical plant in Germany required 1.4373 plates for their corrosive fluid handling systems. TJC provided solution-annealed plates with guaranteed corrosion resistance.

· A food processing company in the Netherlands needed non-magnetic, easy-to-clean plates for their production lines. TJC supplied cold-rolled 1.4373 plates with a superior surface finish.

· An architectural firm in the United Arab Emirates specified 1.4373 for a high-profile building's exterior cladding. TJC delivered custom-sized plates with a low-temperature impact test certification.

Conclusion

EN10088-2 X12CrMnNiN18-9-5, or grade 1.4373, is a versatile stainless steel with a balanced chemical composition that provides excellent mechanical properties and corrosion resistance. TJC Steel Group is a trusted supplier of this material, offering a wide range of sizes and heat treatment conditions, along with a proven track record of supplying to demanding applications across various industries. With its impressive performance at low temperatures and a variety of available dimensions, 1.4373 is a go-to choice for critical applications where reliability and durability are paramount.