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Alloy Structural Steel | What You Must Know

Release Time: 2024-09-29
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Main Features of Alloy Structural Steel

Excellent mechanical properties: The addition of alloying elements can significantly improve the strength, hardness, toughness and wear resistance of steel. By adjusting the type and content of alloying elements, IBC Group can design steels that meet specific strength levels and toughness requirements, such as high strength low alloy steels (HSLA steels), tempered steels, etc.

Good process performance: alloy structural steel usually has good hardenability, weldability and cold and hot processing performance, which is easy to process into various complex shapes and sizes of parts.

Enhanced corrosion and heat resistance: some alloying elements such as chromium and nickel can significantly improve the corrosion resistance of steel, while the addition of molybdenum, tungsten and other elements helps to improve the heat resistance of steel, so that it can maintain good mechanical properties under high temperature environment.

Diversified types and uses: according to the different alloying elements added and the differences in heat treatment process, this structural steel can be divided into a variety of types, such as low-alloy high-strength steel, alloy carburized steel, alloy tempered steel, alloy spring steel, rolling bearing steel, etc., widely used in automobiles, ships, aerospace, machinery manufacturing, petrochemical, energy and electric power and other fields.

Structural Steel

Application Field

Automotive manufacturing: Used to manufacture engine cylinder block, crankshaft, connecting rod, gear and other key components, requiring steel with high strength, high toughness and good wear resistance.

Aerospace: In the manufacture of aircraft, rockets and other aerospace spacecraft, alloy structural steel is used to manufacture landing gear, transmission system, structural parts, etc., which has strict requirements for light weight, high strength, corrosion resistance and high temperature performance of the material.

Mechanical manufacturing: widely used in the manufacture of various machine tool bed, spindle, gear and other components, requiring steel with good processing performance and high accuracy retention.

Petrochemical: In petroleum mining, refining and chemical production, alloy structural steel is used to manufacture a variety of corrosion resistant, high temperature resistant pipelines, valves, pumps and other equipment.

Alloy Steel

Parameter

Standard: JIS / ASTM / AISI / SAE / EN /DIN / BS / GB / API

Grades:

41Cr4, 20Cr, 40Cr

SCr420, SCr440, SCM420, SCM440

709M40, 817M40, 826M40, 655M13

SAE4140, SAE 8620, SAE 8637, SAE 8640, SAE4340

TL4227, ZF6, ZF7, ZF7B, 1E1201, 1E0621, 1E1287, 1E1998

20CrMnTi, 18CrMo4, 25CrMo4, 42CrMo4, 42CrMoS4, 16MnCr5,

16MnCrS5, 20MnCrS5,17CrNiMo6, 8NiCrMo5, 39NiCrMo3,18CrNiMo76,

20MnCr5, 30CrNiMo8, 31CrMoV9, 34CrNiMo6, 38CrMoAl, 19CrNi4 etc.

Shapes: Round / Square / Flat / Hexagon

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