GBT 40Mn Chemical Composition Properties Datasheet

GBT 40Mn is a type of structural steel which is widely used in construction, machinery manufacturing, and other industries. It has a unique chemical composition that makes it highly durable and resistant to corrosion. In this article, we will take a closer look at the chemical composition, properties, and other important information about GBT 40Mn.

Chemical Composition:
The chemical composition of GBT 40Mn is as follows:
- Carbon: 0.37-0.44%
- Silicon: 0.17-0.37%
- Manganese: 1.40-1.80%
- Phosphorus: ≤0.035%
- Sulfur: ≤0.035%

Properties:
The properties of GBT 40Mn are as follows:
- Yield strength: ≥365 MPa
- Tensile strength: 550-850 MPa
- Elongation: ≥14%
- Hardness: ≤217 HB

GBT 40Mn has excellent strength and toughness, making it suitable for heavy-duty applications that require high performance and long-lasting durability. It is also highly resistant to wear and tear, making it ideal for use in harsh environments.

Applications:
GBT 40Mn is used in a variety of applications, including:
- Structural components in buildings and bridges
- Machinery manufacturing, such as gears and connecting rods
- Automobile manufacturing, such as axles and crankshafts
- Shipbuilding, such as hull frames and keels

In conclusion, GBT 40Mn is a high-quality structural steel that offers excellent strength, toughness, and resistance to corrosion. Its unique chemical composition, combined with its superior properties, make it an ideal choice for a wide range of applications.

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