TJC Steel is proud to offer SM440A steel plates to customers in need of high-quality steel products. SM440A is a type of alloy structural steel that is commonly used in manufacturing applications and different constructions. It is known for its excellent strength, durability, and toughness. In this article, we will go through the features, chemical composition, mechanical properties, and applications of SM440A steel plates.

Chemical Composition

SM440A steel plates are made up of various elements such as carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S), chromium (Cr), nickel (Ni), molybdenum (Mo), and others. The chemical composition of SM440A steel plates is as follows:

- Carbon (C): 0.43%-0.47%
- Silicon (Si): 0.17%-0.37%
- Manganese (Mn): 0.60%-0.90%
- Phosphorus (P): ≤0.030%
- Sulfur (S): ≤0.030%
- Chromium (Cr): 0.80%-1.10%
- Nickel (Ni): ≤0.030%
- Molybdenum (Mo): ≤0.030%

Mechanical Properties

The mechanical properties of SM440A steel plates are excellent. It has a high tensile strength, a yield strength, and good elongation. Here are the mechanical properties of SM440A steel plates:

- Tensile Strength: 640MPa min
- Yield Strength: 430MPa min
- Elongation: 13% min

Features

SM440A steel plates have different features that make them suitable for various applications. These features include high strength, good toughness, excellent weldability, and good machinability. SM440A steel plates are also resistant to corrosion and oxidation, making them ideal for use in harsh environments.

Applications

SM440A steel plates have a wide range of manufacturing applications in various industries. They are commonly used in the construction of bridges, buildings, and other structures that require high strength and durability. They are also used in the manufacturing of machinery parts, such as gears, shafts, and axles. SM440A steel plates are commonly used in the automotive industry, where they are used in manufacturing car components such as engines, axles, and suspension systems.

Conclusion

To conclude, SM440A steel plates offered by TJC Steel are high-quality alloy structural steel plates that are used in various manufacturing applications. They have a high tensile strength, good toughness, and excellent weldability. SM440A steel plates are also resistant to corrosion and oxidation. These features make them ideal for use in harsh environments. With their excellent features, SM440A steel plates are indeed a popular choice among various industries.