Alloy Steel Sheets

alloy steel sheet hero

Alloy steel sheets are used in a wide range of industries, including aerospace, construction, and manufacturing. Om Steel offers a comprehensive range of alloy steel sheets to meet the diverse needs of different applications.

Our alloy steel sheets come in various grades, including low alloy, high strength, and high-temperature alloys. We use the latest technology and manufacturing techniques to ensure that our products meet the highest quality standards. Our sheets are highly resistant to corrosion and wear and tear, making them ideal for use in harsh and demanding environments.

One of the key features of our alloy steel sheets is their strength and durability. They can withstand high temperatures and pressure, making them ideal for use in applications that require high-performance materials. They are also easy to fabricate, which makes them suitable for use in different types of manufacturing processes.

At Om Steel, we are committed to providing excellent customer service and support. Our team of experts is always available to answer any questions you may have and to provide you with the necessary guidance and support to ensure that you get the best possible product.

Types of Alloy Steel Sheets

Alloy steel sheets are made by combining different metals, including iron, carbon, and other elements like chromium, nickel, and molybdenum. The resulting alloy steel sheet is stronger and more durable than traditional steel sheets.

Low Alloy Steel Sheets

Low alloy steel plates are one of the most commonly used types of alloy steel sheets. They contain less than 5% alloying elements such as chromium, nickel, or molybdenum. Low alloy steels have excellent strength and toughness but are not as corrosion-resistant as high-alloy steels. These plates are widely used in construction machinery, mining equipment, pressure vessels, and oil rigs.

High Alloy Steel Sheets

High alloy steel plates contain more than 5% of alloying elements such as chromium, nickel or molybdenum. These plates offer superior strength and durability compared to low-alloy steels. High-alloy steels also have excellent resistance to corrosion and wear making them ideal for applications that require high-performance materials such as aerospace components or medical implants.

Aluminum Killed Steel Sheets

Aluminum killed steel sheets have been treated with aluminum to remove any remaining oxygen from the molten metal during production. This process results in a cleaner material that has improved ductility and toughness compared to other types of steel alloys. Aluminum killed steels are commonly used in automotive parts manufacturing due to their ability to be easily formed into complex shapes.

Chromium-Molybdenum Steel Sheets

Chromium-molybdenum (CrMo) is an alloy that contains both chromium and molybdenum which provides exceptional strength at high temperatures along with excellent corrosion resistance properties. Chromium-molybdenum steel sheets are used in the production of boilers, pressure vessels, and other high-temperature applications.

Nickel-Chromium-Molybdenum Steel Sheets

Nickel-chromium-molybdenum (NiCrMo) steel sheets are a type of high-alloy steel that contains nickel, chromium, and molybdenum. These elements provide excellent corrosion resistance properties along with superior strength at elevated temperatures. NiCrMo steels are commonly used in chemical processing plants and oil refineries.

Latest Price Material Grade

The price of alloy steel plates varies depending on the grade and type of material. The latest price material grade for alloy steel sheets is determined by several factors such as the current market demand, availability of raw materials, and production costs. It’s important to consider all these factors when choosing an alloy steel sheet for your specific application.

Alloy Steel Sheet Grades and Standards: ASTM, AISI, and SAE

ASTM Standards

ASTM International is a globally recognized organization that develops and publishes technical standards for various materials, products, systems, and services. ASTM has established several standards that define the chemical composition, mechanical properties, testing methods, and other relevant aspects of different material grades.

One of the most commonly used ASTM standards for alloy steel sheets is A387/A387M. This standard covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated temperature service. The standard includes several material grades such as Grade 2 (Class 2), Grade 12 (Class 2), Grade 11 (Class 2), Grade 22 (Class 1/2), Grade 5 (Class 1/2), among others.

Another widely used ASTM standard is A1011/A1011M. This standard covers hot-rolled carbon steel sheets intended for use in structural applications such as bridges or buildings. However, it also includes provisions for some types of high-strength low-alloy steel sheets.

ASME Standards

The American Society of Mechanical Engineers (ASME) is another organization that establishes standards related to materials used in engineering applications. ASME has developed several codes and standards that cover various aspects of pressure vessel design and construction.

One of the most commonly referenced ASME codes related to alloy steel sheet grades is Section II Part D – Materials Properties. This code provides information on the allowable stresses, tensile and yield strength, and other mechanical properties of different materials used in pressure vessel construction. It includes several material specifications such as SA-387/SA-387M for pressure vessel plates made of alloy steel.

AISI Standards

The American Iron and Steel Institute (AISI) is a trade association that represents the North American steel industry. AISI has developed several standards related to the chemical composition and mechanical properties of different types of steel. One of the most commonly referenced AISI standards for alloy steel sheet grades is AISI 4140. This standard covers chromium-molybdenum alloy steel that is widely used in various applications such as oil and gas drilling, automotive components, and structural parts. The material is known for its high strength, toughness, and resistance to wear and tear.

Alloy Steel Sheets Specifications

SpecificationsASTM A387 / ASME SA387
Width1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc
Length2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc
Surface2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching Manufacturer and Supplier
FinishHot rolled plate (HR), Cold rolled sheet (CR)

Alloy Steel Sheets Thickness

Dimension thickness

Alloy Steel Sheets Sizes

Size (in inches)Size (in mm)

Alloy Steel Sheets Weight

ThicknessPlate Weight per Unit AreaDensity
3/16 inches0.06000 lbs/in²42.184176 kg/m²0.315 lbs/in³8.72 g/cm³
1/4 inches0.08 lbs/in²56.245568 kg/m²0.315 lbs/in³8.72 g/cm³
3/8 inches0.121 lbs/in²85.0714216 kg/m²0.315 lbs/in³8.72 g/cm³
1/2 inches0.161 lbs/in²113.1942056 kg/m²0.315 lbs/in³8.72 g/cm³
5/8 inches0.196 lbs/in²137.8016416 kg/m²0.315 lbs/in³8.72 g/cm³
3/4 inches0.235 lbs/in²165.221356 kg/m²0.315 lbs/in³8.72 g/cm³
7/8 inches0.274 lbs/in²192.6410704 kg/m²0.315 lbs/in³8.72 g/cm³
1 inches0.313 lbs/in²220.0607848 kg/m²0.315 lbs/in³8.72 g/cm³
1 1/4 inches0.391 lbs/in²274.9002136 kg/m²0.315 lbs/in³8.72 g/cm³
1 1/2 inches0.47 lbs/in²330.442712 kg/m²0.315 lbs/in³8.72 g/cm³
1 3/4 inches0.549 lbs/in²385.9852104 kg/m²0.315 lbs/in³8.72 g/cm³
2 inches0.627 lbs/in²440.8246392 kg/m²0.315 lbs/in³8.72 g/cm³
2 1/4 inches0.705 lbs/in²495.664068 kg/m²0.315 lbs/in³8.72 g/cm³
2 1/2 inches0.784 lbs/in²551.2065664 kg/m²0.315 lbs/in³8.72 g/cm³
2 3/4 inches0.862 lbs/in²606.0459952 kg/m²0.315 lbs/in³8.72 g/cm³
3 inches0.941 lbs/in²661.5884936 kg/m²0.315 lbs/in³8.72 g/cm³

Industrial Application of Alloy Steel Sheets

Defence & Aerospace

Defence & Aerospace

We are one of the leading supplier, stockist, exporter and trader of wide range of industrial materials and sourcing globally to our customers.



We are one of the leading supplier, stockist, exporter and trader of wide range of industrial materials and sourcing globally to our customers.

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Speciality Valves & Vacuum

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Precision Components

Precision Components

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How are alloy steel sheets manufactured?

Alloy steel sheets are typically produced through a process called hot rolling, where a billet of steel is heated above its recrystallization temperature and then passed through a series of rollers to reduce its thickness. Cold rolling may also be used to achieve a finer finish or tighter tolerances. After rolling, the sheets are typically annealed to improve their ductility and toughness.

What are some popular grades of alloy steel sheets?

There are many different grades of alloy steel sheets available, each with its own unique combination of properties. Some of the most popular grades include 4140, 4340, 6150, 8620, and 52100. The selection of a particular grade depends on the specific application requirements.

What are the benefits of using alloy steel sheets?

Alloy steel sheets offer several advantages over other types of steel. They are stronger, more durable, and more resistant to wear and corrosion. They can also withstand high temperatures and pressures, making them ideal for use in harsh environments. Additionally, the alloying elements in the steel can provide specific properties such as improved hardenability, machinability, or weldability.

What are some important factors to consider when selecting alloy steel sheets?

When selecting alloy steel sheets, it’s important to consider factors such as the required strength, hardness, and toughness, as well as the application temperature and environment. Other factors to consider include the desired surface finish, machining and welding properties, and cost. It’s also important to work with a reputable supplier who can provide quality materials and technical support.