EN10088-2 X5CrNiCu19-6-2, also known as 1.4640, is a precipitation hardening stainless steel plate that combines high strength with excellent corrosion resistance. This versatile material is widely used in various industries where a balance of mechanical properties and resistance to aggressive environments is required. In this article, we will delve into the chemical composition, mechanical properties, heat treatment conditions, available size range, low-temperature impact testing, primary applications, and relevant supply cases from TJC Steel Group.

Chemical Composition:

The chemical composition of X5CrNiCu19-6-2 is carefully balanced to provide the desired properties. The typical chemical composition is as follows:

· Carbon (C): ≤ 0.07%

· Silicon (Si): ≤ 1.00%

· Manganese (Mn): ≤ 1.00%

· Phosphorus (P): ≤ 0.045%

· Sulfur (S): ≤ 0.030%

· Chromium (Cr): 17.00% - 19.00%

· Nickel (Ni): 5.00% - 7.00%

· Copper (Cu): 1.50% - 2.50%

· Nitrogen (N): ≤ 0.030%

· Iron (Fe): Balance

Mechanical Properties:

The mechanical properties of 1.4640 are impressive, especially after undergoing the appropriate heat treatment. The typical values are as follows:

· Tensile Strength: 750 - 950 MPa

· Yield Strength: 650 MPa minimum

· Elongation: 12% minimum

· Hardness: 310 - 370 HB or 34 - 40 HRC

Heat Treatment Conditions:

The precipitation hardening process is crucial for achieving the desired mechanical properties of X5CrNiCu19-6-2. The typical heat treatment cycle involves solution annealing at 1010 - 1065°C, followed by rapid cooling, and then aging at 510 - 580°C to precipitate the intermetallic compounds that enhance strength.

Available Size Range:

TJC Steel Group offers X5CrNiCu19-6-2 stainless steel plates in a wide range of sizes to meet the diverse needs of our customers. The available size range typically includes:

· Thickness: 3mm - 120mm

· Width: 1000mm - 2500mm

· Length: 2000mm - 12000mm

Low-Temperature Impact Testing:

X5CrNiCu19-6-2 demonstrates good toughness and ductility, even at low temperatures. The material can be supplied with Charpy V-notch impact testing at various temperatures, such as -40°C, to ensure it meets the specific requirements of cryogenic applications.

Primary Applications:

Due to its unique combination of properties, 1.4640 is used in several demanding applications, including:

· Aerospace components

· Chemical processing equipment

· Medical devices

· High-strength fasteners

· Marine components

· Oil and gas industry parts

TJC Steel Group Supply Cases:

TJC Steel Group has a proven track record of supplying high-quality X5CrNiCu19-6-2 stainless steel plates to customers worldwide. One notable supply case involved the production of precision-machined components for the aerospace industry, where the material's high strength and corrosion resistance were critical. Another case saw TJC providing large quantities of 1.4640 plates for chemical processing equipment, where the material's excellent resistance to aggressive chemicals was paramount.

In conclusion, EN10088-2 X5CrNiCu19-6-2, or 1.4640, is a precipitation hardening stainless steel plate that offers a superior combination of mechanical properties and corrosion resistance. TJC Steel Group is a trusted supplier of this material, providing high-quality plates in various sizes and ensuring they meet the stringent requirements of critical applications across multiple industries.