EN19 is a high-strength alloy steel, commonly used in manufacturing high-performance components. It is a popular grade of steel due to its excellent tensile strength, toughness, and wear resistance. EN19 steel is often used for components like shafts, gears, axles, and crankshafts, which require high mechanical properties. Key Properties of EN19 Steel: 1. Composition: - Carbon (C): 0.38 - 0.43% - Manganese (Mn): 0.60 - 0.90% - Chromium (Cr): 0.90 - 1.20% - Nickel (Ni): 1.30 - 1.70% - Molybdenum (Mo): 0.20 - 0.30% - Phosphorus (P): 0.035% (max) - Sulfur (S): 0.035% (max) 2. Mechanical Properties: - Tensile Strength: 850–1000 MPa - Yield Strength: 600–800 MPa - Elongation: 15-20% - Hardness: 35–45 HRC (depending on heat treatment) 3. Applications: - Automotive components like gears, shafts, and axles. - Industrial machinery parts that need high wear resistance. - Components that require high strength and toughness, like crankshafts, cams, and high-stress fasteners. 4. Heat Treatment: EN19 steel is typically heat-treated to improve its mechanical properties. This may include processes like quenching and tempering. - Quenching: The steel is heated to a high temperature and then rapidly cooled (usually in oil or water), which hardens the material. - Tempering: After quenching, the steel is reheated to a lower temperature to relieve stresses and achieve the desired hardness and toughness balance. 5. Forms: EN19 steel is commonly available in various forms, including: - Round Bars: Used for turning, machining, and forging applications. - Forged Bars: Used for high-strength applications like shafts and gears. EN19 round bars are widely used across industries due to their excellent mechanical properties, making them ideal for heavy-duty and high-performance applications.
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