708M40 Steel Grade: Properties, Applications, and Benefits

708M40 is a medium carbon steel grade that is widely used in various industries due to its excellent mechanical properties. It is often used in the construction of heavy-duty machinery, axles, gears, and shafts.

Mechanical Properties:
– Tensile Strength: 850-1000 MPa
– Yield Strength: 680-800 MPa
– Elongation: 8-12%
– Hardness: 248-302 Brinell

Chemical Composition:
– Carbon: 0.36-0.44%
– Manganese: 0.60-0.90%
– Phosphorus: 0.040% max
– Sulfur: 0.040% max
– Silicon: 0.10-0.35%
– Vanadium: 0.10-0.30%

Applications:
Due to its high tensile strength and excellent wear resistance, 708M40 steel grade is commonly used in the following applications:
– Gear production
– Automotive engineering
– Heavy equipment manufacturing
– Aerospace industry
– Manufacturing of machine components

Benefits:
– High strength and toughness
– Good wear resistance
– Good machinability
– Suitable for heat treatment to enhance its properties
– Widely available and cost-effective

Overall, 708M40 steel grade is a versatile and reliable material that is ideal for applications requiring high strength and durability. Its combination of mechanical properties and chemical composition makes it a popular choice in various industries.
708M40 Steel grade
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