EN10088-2 X5CrNiMo17-12-2, also known as 1.4401, is a widely used austenitic stainless steel grade characterized by its excellent corrosion resistance, high toughness, and good strength at both room and elevated temperatures. This versatile material is specified in EN10088-2, a European standard for stainless steels, and is commonly used in various industries due to its balanced properties.

Chemical Composition

The chemical composition of X5CrNiMo17-12-2 is tightly controlled to ensure its unique properties. The typical chemical composition is as follows:

· Carbon (C): ≤ 0.07%

· Silicon (Si): ≤ 1.00%

· Manganese (Mn): ≤ 2.00%

· Phosphorus (P): ≤ 0.045%

· Sulfur (S): ≤ 0.030%

· Chromium (Cr): 16.50% - 18.50%

· Nickel (Ni): 10.50% - 13.00%

· Molybdenum (Mo): 2.00% - 2.50%

Mechanical Properties

The mechanical properties of 1.4401 are impressive, making it suitable for demanding applications:

· Tensile Strength: 520 - 720 MPa

· Yield Strength (0.2% offset): 220 - 310 MPa

· Elongation (A5): ≥ 45%

· Hardness: ≤ 220 HB or ≤ 95 HRB

Heat Treatment Conditions

The steel is typically supplied in the solution annealed condition. However, it can be further heat treated to enhance its properties:

· Solution Annealing: Heat to 1010-1120°C, followed by rapid cooling in water or air.

· Stress Relieving: Recommended at 480-620°C for 1-3 hours.

Available Dimensions

TJC Steel Group offers a wide range of sizes for the X5CrNiMo17-12-2 stainless steel plate:

· Thickness: 3mm - 120mm

· Width: 1000mm - 2500mm

· Length: 2000mm - 12000mm

Custom sizes and specifications are available upon request.

Low-Temperature Impact Test

The material meets the requirements of low-temperature impact testing, with typical impact values at -196°C (Charpy V-notch test) being:

· Impact Energy: ≥ 27 J

Main Applications

Due to its excellent corrosion resistance and mechanical properties, X5CrNiMo17-12-2 is used in a variety of applications:

· Chemical and Petrochemical Industry: Vessels, pipes, and pumps

· Food Processing Equipment: Tanks, cutlery, and processing machinery

· Medical Devices: Surgical instruments and implants

· Architecture: Structural components and facades

· Marine Applications: Components exposed to seawater

TJC Steel Group Supply Cases

TJC Steel Group has supplied X5CrNiMo17-12-2 stainless steel plates to several notable projects:

· A chemical plant in Germany required high-quality stainless steel plates for their corrosive environment. TJC supplied 1.4401 plates that met the stringent requirements for chemical resistance and durability.

· A food processing company in the Netherlands needed stainless steel plates for their new production line. TJC's 1.4401 plates were chosen for their food-grade quality and ease of cleaning.

· A marine construction project in Norway required stainless steel plates that could withstand harsh weather conditions. TJC's X5CrNiMo17-12-2 plates were selected for their superior corrosion resistance.

Conclusion

EN10088-2 X5CrNiMo17-12-2, or 1.4401, is a premium stainless steel grade that offers a perfect blend of corrosion resistance, mechanical strength, and toughness. TJC Steel Group is a trusted supplier of this material, providing high-quality plates for diverse applications across the globe. With a wide range of available sizes and custom solutions, TJC is well-equipped to meet the specific needs of its customers.