070M55 Steel Grade: A Closer Look at its Chemical Composition and Mechanical Properties

070M55 steel is a medium carbon steel with good tensile strength and impact properties. It is commonly used in the production of gears, shafts, and other mechanical components. Here is a closer look at its chemical composition and mechanical properties:

Chemical Composition:
– Carbon: 0.52-0.60%
– Manganese: 0.60-0.90%
– Silicon: 0.10-0.40%
– Phosphorus: 0.035% max
– Sulfur: 0.040% max

Mechanical Properties:
– Tensile Strength: 670-850 MPa
– Yield Strength: 520 MPa min
– Elongation: 13% min
– Hardness: 201-255 Brinell

070M55 steel is often supplied in the normalized condition, which provides good mechanical properties and machinability. It can be heat treated to achieve additional strength and toughness. This steel grade is suitable for applications that require high strength and good wear resistance.

Overall, 070M55 steel offers a good balance of strength, toughness, and machinability, making it a versatile option for various engineering and manufacturing applications.
070M55 Steel grade
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