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Steel 4140, commonly known as AISI 4140, is a hardening Cr-Mo alloy steel plate with the potential to generate a wide range of hardness and strength. The hardness and strength of steel are strongly influenced by alloying elements and thermal treatments such as quenching and tempering. Steel Alloy 4140 plates are often used for ordinary industrial machining. This steel plate should not be welded or formed. It is used when strong fatigue and impact resistance is required. Steel 4140 is called Chromoly steel because it contains .95 percent chromium and .20 percent molybdenum alloying elements.

Steel 4140 Grade For Sale

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4140 steel grade is a low alloy steel containing chromium, molybdenum and manganese. It is extensively utilized in various sectors and is an excellent material choice because of its hardness, high fatigue strength, and resistance to wear and impact. While the molybdenum content promotes the uniform hardness and great strength, the chromium content offers good hardness penetration. High fatigue strength, excellent toughness and strong corrosion resistance are all characteristics of a 4140 steel plate. Several different industries such as aerospace, oil and gas, construction, automotive and many more use grade 4140 steel.

Steel 4140 Properties

4140 steel chemical makeup is as follows: Manganese and carbon have a combined percentage of 0.40, providing hardness that can be heat-treated and toughened. Although it increases overall toughness, 0.1 percent chromium is insufficient to make stainless steel.

Industrial Usage and Applications

Steel 4140 grade is used in a wide range of industrial applications; offshore oil rig construction is the one for which it is best recognized. Given its exceptional durability and resistance to corrosion, it is easy to understand why this type of steel would be selected to construct these structures.

Typical Uses of Steel 4140 Grade

This steel is adaptable and has many uses in the construction, agriculture, and automotive industries. It is the best material to use when creating parts and components that must endure high amounts of stress because of its durability and weldability. Because of its corrosion resistance, it can be used in settings where other materials would quickly deteriorate.

Steel 4140 Type Description
Round Bars Steel frequently comes in the shape of round bars, which makes them ideal for industrial use as they are sturdy enough to be shaped or cut to nearly any length. For many industrial uses, round bars are the best shape since they are simple to weld, process, and cut to size. Additionally, they are strong and exhibit great resilience to wear and tear.
Flat Bars It usually comes with thicknesses of 1/4 inch, 3/8 inch, and 1/2 inch, frequently made for flat bars. Sometimes they are produced in different proportions. Due to their hardness and longevity, these steel flat bars are commonly used in all types of industrial applications.
Hexagon bars Hexagon bars type of steel 4140 are a crucial part of buildings and are frequently used in structural engineering. It is the perfect material for industrial applications because of its durability, strength, and availability.
Stainless Steel Bars Stainless steel bars are perfect for industrial applications due to their greater strength and corrosion resistance. Due to their increased durability, stainless steel bars of the 4140 grade are the ideal solution for even the most severe industrial environments.

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