C45 plates are a type of steel plate that is commonly used in various industrial applications, including: - Construction equipment - Industrial machinery - Automotive parts - General engineering - Structural steel C45 is a medium-carbon steel grade that is known for its: - Good strength and toughness - Good weldability and machinability - Good corrosion resistance - Affordable price Here are some key properties and characteristics of C45 plates: - Grade: C45 - Material: Medium-Carbon Steel - Thickness: 4mm-150mm - Width: 1000mm-3000mm - Length: 3000mm-12000mm - Yield Strength: 310 MPa (min) - Tensile Strength: 540-680 MPa - Elongation: 20% (min) - Impact Test: -20°C (optional) - Heat Treatment: Normalized or quenched and tempered C45 plates are used in various applications, including: - Axles - Gears - Shafts - Bearings - Hydraulic cylinders - Crankshafts - Gearboxes Note: C45 is a designation from the European standard EN 10083, where: - C = Carbon steel - 45 = Carbon content (0.45% max) The exact composition and properties of C45 plates may vary depending on the specific standard or specification being followed.