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DIN 1.2311 Plastic Mould Steel Milano Special Steel, located in Gurugram, Haryana, near Manesar, Bawal, and Bhiwadi, is a renowned supplier of high-quality steel products, particularly specializing in DIN 1.2311 Plastic Mould Steel. With over 50 years of experience in the industry, Milano Special Steel has established itself as a trusted name among clients across various sectors, including sheet metal cutting, cutting tools making, plastic moulds making, automotive, forging, and industrial machines industries. DIN 1.2311 Plastic Mould Steel Overview DIN 1.2311, also known as P20 steel, is a pre-hardened plastic mould steel widely used in the manufacturing of molds due to its excellent mechanical properties, corrosion resistance, and heat treatment capabilities. It is equivalent to AISI P20 and JIS SCM4, making it a versatile choice for various applications. Chemical Composition The chemical composition of DIN 1.2311 steel includes: Element Percentage Range Carbon (C) 0.35 - 0.45% Silicon (Si) 0.20 - 0.40% Manganese (Mn) 1.30 - 1.60% Phosphorus (P) ≤ 0.030% Sulfur (S) ≤ 0.030% Chromium (Cr) 1.80 - 2.10% Molybdenum (Mo) 0.15 - 0.35% Physical Properties • Thermal Expansion Coefficient: The thermal expansion coefficient of DIN 1.2311 steel varies from 12.7 to 14.3 × 10^-6 m/(m*K) over the temperature range of 20°C to 500°C. • Thermal Conductivity: The thermal conductivity ranges from 32 W/(mK) at room temperature to 27.5 W/(mK) at 500°C. Mechanical Properties • Hardness: Typically ranges from 28 to 34 HRC, with a supply hardness of 240-280 BHN. • Tensile Strength: 965-1030 MPa. • Yield Strength: 827-862 MPa. • Elongation: Approximately 20%. Applications DIN 1.2311 steel is widely used in: • Plastic Injection Molds: Suitable for small and medium-sized molds, cores, and cavities. • Die-Casting Molds: Used for manufacturing molds that require high precision and durability. • Automotive Industry: For interior parts like dashboard molds and audio box molds. • Home Appliances: Molds for TV covers and air conditioner housings. • Industrial Machines: Parts requiring high wear resistance and precision. Heat Treatment DIN 1.2311 steel can undergo various heat treatments to enhance its properties: • Soft Annealing: 710-740°C, followed by furnace cooling, resulting in a maximum hardness of 235 HB. • Hardening: 850-880°C, quenched in oil or salt bath at 180-220°C, achieving a hardness of 51 HRC. • Tempering: After quenching, tempering can be done at various temperatures to achieve desired hardness levels. Difference and Alternatives DIN 1.2311 is often compared with other mould steels like DIN 1.2738. While both are used in mould manufacturing, DIN 1.2311 offers better machinability and is more commonly used for plastic injection molds. DIN 1.2738, on the other hand, provides higher hardness and is suitable for applications requiring more wear resistance. Alternatives • DIN 1.2738: Offers higher hardness and is used for applications requiring more wear resistance. • DIN 1.2083: Known for its high hardness and wear resistance, often used in cold work tooling applications. Supply and Services Milano Special Steel supplies DIN 1.2311 steel in both plate and round shapes, catering to both wholesale and retail clients across India. The company offers customized cutting services, allowing clients to specify their desired dimensions. This flexibility is particularly beneficial for industries that require precision and specific sizes for their applications. Client Base Milano Special Steel serves a diverse range of industries, including: • Sheet Metal Cutting: Providing high-quality steel for precision cutting tools. • Cutting Tools Making: Supplying steel for manufacturing cutting tools that require durability and precision. • Plastic Moulds Making: Essential for the production of molds used in plastic injection and die-casting processes. • Automotive Industry: Used in the manufacturing of automotive interior parts and other components. • Forging Industry: Supplying steel for forging applications that demand high strength and durability. • Industrial Machines and Parts: Used in the manufacturing of parts for industrial machinery. Experience and Expertise With over 50 years of experience in the steel industry, Milano Special Steel has developed a strong reputation for reliability and quality. The company's expertise in handling and processing DIN 1.2311 steel ensures that clients receive products tailored to their specific needs, whether it be for mould manufacturing, automotive parts, or industrial machinery components. Contact Information For inquiries and orders, clients can visit Milano Special Steel's website at https://www.milanospecialsteel.com/ or www.p20highhardsteel.com. Alternatively, they can contact the company via email at milanospecialsteel@gmail.com. In conclusion, Milano Special Steel is a leading supplier of DIN 1.2311 Plastic Mould Steel, offering a comprehensive range of services and products tailored to meet the diverse needs of various industries across India. With its extensive experience and commitment to quality, Milano Special Steel continues to be a trusted partner for businesses seeking high-quality steel solutions.
