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EN 8

EN 8 is a versatile carbon steel that is widely used in engineering applications due to its moderate tensile strength, excellent machinability, and cost-effectiveness. Complying with the European standard BS 970, it is ideal for mechanical and general engineering purposes, making it an essential material for a wide variety of components.

Steel Properties

EN 8 steel typically exhibits a tensile strength range of 560 to 710 MPa (81 to 103 ksi), which can vary depending on the heat treatment condition. Its yield strength ranges from 380 to 580 MPa (55 to 84 ksi), and elongation is around 10-16% when in a normalized or annealed state. The hardness after heat treatment typically ranges from 170 to 220 HB (Brinell Hardness), giving it a good balance of strength and machinability.

Application

EN 8 is commonly used in the manufacturing of machine components that require moderate strength and excellent machinability, such as gears, shafts, crankshafts, and spindles. It is also utilized in automotive parts, including camshafts, brackets, and connecting rods. Additionally, EN 8 is suitable for general engineering applications, including the production of bolts, studs, hydraulic fittings, and structural components. Its affordability and versatility make it a popular choice in a variety of industries.