Unlocking the Potential: Unveiling the Secrets of 9SMnPb36 Steel Grade

The specification of unlocking the potential and unveiling the secrets of 9SMnPb36 steel grade involves understanding its mechanical properties and chemical composition.

1. Mechanical Properties:
– Tensile Strength: The 9SMnPb36 steel grade has a typical tensile strength of around 520-690 MPa.
– Yield Strength: The yield strength of this steel grade ranges from 330-520 MPa.
– Elongation: The elongation at break is typically 22-34%.
– Hardness: It has a Brinell hardness value of approximately 120-190 HB.

2. Chemical Composition:
The chemical composition of 9SMnPb36 steel grade plays a significant role in determining its properties and performance. The composition may vary slightly depending on the manufacturing process, but it typically contains the following elements:

– Carbon (C): Carbon content is typically around 0.14-0.19%.
– Silicon (Si): Silicon content is usually in the range of 0.15-0.35%.
– Manganese (Mn): Manganese content is typically limited to 0.60-0.90%.
– Phosphorus (P): Phosphorus content is around 0.15-0.35%.
– Sulfur (S): Sulfur content is usually limited to a maximum of 0.35%.
– Lead (Pb): Lead is intentionally added to improve machinability and chip formation. It typically has a content of about 0.10-0.40%.

Other trace elements, such as copper (Cu), chromium (Cr), and molybdenum (Mo), may be present in small amounts depending on the steel manufacturing process.

Understanding the mechanical properties and chemical composition of 9SMnPb36 steel grade helps engineers and manufacturers determine its suitability for various applications, such as machining parts, fasteners, and components that require excellent machinability and good surface finish.
9SMnPb36 Steel grade
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