20Mn Chemical Composition

This steel grade is known for its high strength and good ductility, making it suitable for applications in construction, automotive, and machinery industries. The presence of manganese in 20Mn steel enhances its hardenability and ability to resist wear and tear. Furthermore, this steel also possesses good weldability, machinability, and heat resistance properties.

With its numerous advantages, 20Mn steel is an excellent choice for metal fabrication in a variety of applications. It provides not only strength but also flexibility and durability, making it highly sought after in the manufacturing industry.

In conclusion, 20Mn steel is a versatile steel that has an excellent chemical composition, making it ideal for use in various industries. Its mechanical properties make it a popular choice for metal fabrication and construction purposes.

Product Specification

• Chemical composition: The chemical composition of 20Mn steel includes carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S) and other elements. Among them, the carbon content is 0.17%-0.24% and the manganese content is 1.20%-1.50%, which can provide good strength and toughness.
• Mechanical properties: The mechanical properties of 20Mn steel are excellent, the tensile strength is 470MPa, the yield strength is 275MPa, and the elongation is 22%. Its excellent mechanical properties make the steel widely used in modern industrial production.
• Heat treatment process: 20Mn steel has excellent quenching and tempering performance. After proper heat treatment, its mechanical properties can be improved. Generally using normalizing and tempering treatment, can obtain higher strength and wear resistance, to meet the needs of different working conditions.
• Specification size: The standard specification size of 20Mn steel includes thickness, width and length. The common thickness is 2mm-600mm, the width is 1000mm-3000mm, and the length is 3000mm-12000mm, which can also be customized according to customer needs.
• Application: Due to the excellent mechanical properties and quenching, tempering performance of 20Mn steel, it is widely used in machinery manufacturing, construction, ships, automobiles and other fields. It can be used to manufacture large equipment and machines, as well as various parts, bearings, springs and steel plates. At the same time, 20Mn steel can also be used in the production of construction machinery, railway vehicles, construction steel structures and other fields.

20Mn high quality carbon steel

Tensile strength σb (MPa) : ≥450(46)

Yield strength σs (MPa) : ≥275(28)

Elongation δ5 (%) : ≥24

Section shrinkage (%) : ≥50

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