Alloy steel plates are an essential component in many industrial applications, and Om Steel is a leading manufacturer and supplier of high-quality alloy steel plates. Our plates are designed to meet the diverse needs of various industries and come in a wide range of grades to ensure that you get the right product for your specific application.
One of the key features of our alloy steel plates is their excellent strength and durability. They can withstand high temperatures and pressure, making them suitable for use in harsh and demanding environments. Our alloy steel plates are also highly resistant to corrosion and wear and tear, ensuring long-lasting performance.
We offer a variety of alloy steel plate types, including low alloy, high strength, and corrosion-resistant alloys, all of which are suitable for use in a wide range of applications. Our plates are easily fabricated, making them ideal for use in various manufacturing processes.
At Om Steel, we use the latest technology and manufacturing techniques to ensure that our products meet the highest quality standards. 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.
Properties and Characteristics of Alloy Steel Plates
Alloy steel plates are widely used in various industries due to their excellent mechanical properties, high ductility, and good corrosion resistance. These plates are made by combining different metals with iron to enhance their strength and durability.
Properties of Alloy steel plates
Mechanical Properties
Alloy steel plates have excellent mechanical properties such as high tensile strength, yield strength, and elongation. These properties make them suitable for use in heavy-duty applications where they need to withstand high stress and pressure.
High Ductility
Alloy steel plates have high ductility which means they can be easily formed into different shapes without cracking or breaking. This property makes them ideal for use in manufacturing processes where complex shapes are required.
Corrosion Resistance
Alloy steel plates have good corrosion resistance due to the presence of chromium, nickel, or other elements that form a protective layer on the surface of the plate. This layer prevents the plate from corroding even when exposed to harsh environments.
Characteristics of Alloy steel plates
Specifications
The specifications of alloy steel plates vary depending on the application they are intended for. These specifications include thickness, width, length, weight per unit area, chemical composition, mechanical properties, and other relevant parameters.
Quality
The quality of alloy steel plates is defined by various quality parameters such as chemical composition, mechanical properties, surface finish, flatness tolerance, straightness tolerance, hardness level etc. These parameters ensure that the plate meets the required standards and performs well in its intended application.
Features
Alloy steel plates come with various features such as heat treatment options (annealing/normalizing/quenching), machinability (ease of cutting), weldability (ease of welding), formability (ease of forming), toughness (resistance to fracture under impact loading) etc. These features make them versatile and suitable for use in a wide range of applications.
Types and Grades of Alloy Steel Plates
Alloy steel plates are widely used in various industries due to their high strength, durability, and corrosion resistance. These plates are made by mixing different metals with carbon to form an alloy that has unique properties.
Low Alloy Steel Plates
Low alloy steel plates contain less than 8% of total alloying elements in their composition. These plates have a lower cost compared to high-alloy steels but still offer good strength and toughness. Low-alloy steel plates are commonly used in construction equipment, pressure vessels, and offshore structures.
Medium Alloy Steel Plates
Medium alloy steel plates contain between 8-15% total alloying elements in their composition. These plates offer higher strength, hardness, and wear resistance compared to low-alloy steels. Medium-alloy steel plates are commonly used in power generation equipment, oil drilling rigs, and mining machinery.
High Alloy Steel Plates
High alloy steel plates contain more than 15% total alloying elements in their composition. These plates offer exceptional strength, hardness, and corrosion resistance even at high temperatures. High-alloy steel plates are commonly used in chemical processing plants, aerospace applications, and nuclear power plants.
Nickel Alloy Steel Plates
Nickel-based alloys are widely used for their excellent corrosion resistance properties. Nickel-based alloys can withstand extreme temperatures while maintaining their mechanical properties making them ideal for use in harsh environments such as chemical processing plants or oil refineries.
Chromium-Molybdenum Alloy Steel Plates
Chromium-molybdenum (CrMo) alloys offer excellent heat resistance properties which make them ideal for use in high-temperature environments such as boilers or pressure vessels. CrMo alloys also have good corrosion resistance properties making them suitable for use in chemical processing plants.
Chrome-Molybdenum-Vanadium Alloy Steel Plates
Chrome-molybdenum-vanadium (CMV) alloys offer excellent strength and toughness properties making them ideal for use in high-stress applications such as structural components or heavy machinery. CMV alloys also have good corrosion resistance properties making them suitable for use in marine environments.
Alloy Steel Plate
Specifications
| Property | Value |
|---|---|
| Specifications | ASTM A387 / ASME SA387 |
| Thickness | 1mm – 300mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching Manufacturer and Supplier |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR) |
Alloy steel Plate
ASTM grades
| Grades | C | Mn | P | S | SI | Cr | Mo |
|---|---|---|---|---|---|---|---|
| ASTM A387 Grade 5 | 0.15 max | 0.3 – 0.6 | 0.035 | 0.03 | 0.5 max | 4.00 – 6.00 | 0.45 – 0.65 |
| ASTM A387 Grade 9 | 0.15 max | 0.30 – 0.6 | 0.03 | 0.03 | 1.0 max | 8.0 – 10.0 | 0.9 – 1.1 |
| ASTM A387 Grade 11 | 0.05 – 0.17 | 0.4 – 0.65 | 0.035 | 0.035 | 0.5 – 0.80 | 1.0 – 1.5 | 0.45 – 0.65 |
| ASTM A387 Grade 12 | 0.05 – 0.17 | 0.4 – 0.65 | 0.035 | 0.035 | 0.15 – 0.4 | 0.8 – 1.15 | 0.45 – 0.6 |
| ASTM A387 Grade 22 | 0.05 – 0.15 | 0.3 – 0.6 | 0.035 | 0.035 | 0.5 max | 2.0 – 2.5 | 0.9 – 1.1 |
Alloy Steel Plate
Imperial Dimensions
| Plate Surface Finish | Gauge (in) | Width (max in) |
|---|---|---|
| 2B – Cold rolled, heat treated, pickled, skin passed Plate | 10–24 | 72* |
| 2D – Cold rolled, heat treated, pickled plate | 12–24 | 60 |
| BA Mexinox only | 18–28 | 48 |
| Polished plate (not brushed) | 11–24 | 60 |
| Temper rolled plate Mexinox only | 13–29 | 48 |
Alloy Steel Plate
Thickness
| Dimension thickness | ||
|---|---|---|
| 0.025″ | 4″ | 0.75″ |
| 0.032″ | 3.5″ | 0.875″ |
| 0.036″ | 0.109″ | 1″ |
| 0.04″ | 0.125″ | 1.125″ |
| 0.05″ | 0.16″ | 1.25″ |
| 0.063″ | 0.19″ | 1.5″ |
| 0.071″ | 0.25″ | 1.75″ |
| 0.08″ | 0.3125″ | 2″ |
| 0.09″ | 0.375″ | 2.5″ |
| 0.095″ | 0.5″ | 3″ |
| 0.1″ | 0.625″ | – |
Alloy Steel Plate
Sizes
| Size (in inches) | Size (in mm) |
|---|---|
| .125″ | 3.18mm |
| .134″ | 3.40mm |
| .156″ | 3.96mm |
| .187″ | 4.75mm |
| .250″ | 6.35mm |
| .312″ | 7.92mm |
| .375″ | 9.53mm |
| .500″ | 12.7mm |
| .600″ | 15.9mm |
| .750″ | 19.1mm |
| .875″ | 22.2mm |
| 1″ | 25.4mm |
| 1.125″ | 28.6mm |
| 1.250″ | 31.8mm |
| 1.500″ | 38.1mm |
| 1.750″ | 44.5mm |
| 2″ | 50.8mm |
| 2.500″ | 63.5mm |
| 3″ | 76.2mm |
Application Industry
Serving Diverse Sectors with Precision & Performance
Om Steel supplies premium steel and alloy products to a wide range of industries, ensuring strength, durability, and performance in every application. From construction, oil & gas, and automotive to power plants, shipbuilding, and chemical processing — our materials meet the demands of critical operations. Trusted by industry leaders, we deliver solutions that stand up to the toughest challenges.
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