A Closer Look at 9SMn36 Steel Grade: The Perfect Alloy for Precision Engineering

specification of 9SMn36 Steel Grade: The Perfect Alloy for Precision Engineering

9SMn36 is a popular steel grade used in precision engineering applications. It is known for its excellent machinability, high tensile strength, and good wear resistance. Here are some specifications of the 9SMn36 steel grade:

1. Chemical Composition:
– Carbon (C): 0.06 – 0.12%
– Silicon (Si): ≤ 0.40%
– Manganese (Mn): 0.60 – 1.00%
– Phosphorus (P): ≤ 0.11%
– Sulfur (S): ≤ 0.30%
– Lead (Pb): 0.15 – 0.35%
– Copper (Cu): ≤ 0.30%

2. Mechanical Properties:
– Tensile Strength: 600 – 800 MPa
– Yield Strength: ≥ 390 MPa
– Elongation: ≥ 12%
– Hardness: 200 – 250 HB

3. Physical Properties:
– Density: 7.85 g/cm3
– Melting Point: 1460 – 1510°C
– Thermal Conductivity: 48.3 W/m·K
– Electrical Conductivity: 11.7% IACS

4. Machinability:
9SMn36 steel grade offers excellent machinability, making it a preferred choice for precision engineering applications. It can be easily turned, drilled, milled, and tapped, resulting in high-quality finished parts with tight tolerances.

5. Applications:
– Precision turned components
– Gears and pinions
– Shafts and axles
– Fasteners
– Bushings and bushing housings
– Automotive parts
– Electrical connectors

In conclusion, 9SMn36 steel grade is the perfect alloy for precision engineering due to its excellent machinability, high tensile strength, good wear resistance, and precise mechanical properties.
9SMn36 Steel grade
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