Home >Alloy Steel > Alloy Steel Gr 11 Plates and Sheets
Standard : ASTM A387 / ASME SA387
Thickness : 5mm-150mm
Width : 1000mm-4500mm
Length : 3000mm-18000mm
Surface Condition : Normalized Rolling, As Rolled, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or according to the customer’s specifications.
Application : Pressure Vessel Plate, Steel Boiler Plate
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank, Circle, Ring (Flange) etc.
| C | Mn | P | S | Si | Cr | Mo |
| 0.04 – 0.17 | 0.35 – 0.73 | 0.035 | 0.035 | 0.44 – 0.86 | 0.94 – 1.56 | 0.40 – 0.7 |
| A387 / SA387 Grade 11 | Class 1 | Class 2 |
| Tensile Strength (ksi) | 60-85 | 75-90 |
| Tensile Strength (MPa) | 415-585 | 485-620 |
| Yield Strength (ksi) | 35 | 45 |
| Yield Strength (MPa) | 240 | 310 |
| Elongation in 200mm (%) | 19 | 18 |
| Elongation in 50mm (%) | 22 | 22 |
| Reduction of area in % | – | – |
At Sumakhsteel, we take great pride in being the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated across the USA, we maintain an extensive stock of more than 25,000 tons of top-quality materials kept readily available in inventory.
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These Alloy Steel Gr 11 Sheet and Plates are available from us as per DIN, ISO, JIS or ANSI Standard.
High Strength: Alloy steel Grade 11 sheets and plates offer high strength, which makes them well suited to uses that demand strength and durability, including construction, automotive and industrial machinery.
Low cost: Even with their superior quality, they tend to be economical when compared with high-performance materials like alloy steel and grade 11 sheet plates. This budget-friendly pricing makes them attractive for uses that call for a balance between performance and cost.
Weldability: They show excellent weldability, which eases the fabrication and assembly of many structures and components. This makes them fit for welding and joining operations that keep the integrity of the product intact.
Heat Resistance: Alloy steel grade 11 sheets and plates are built to endure high temperatures without giving up their mechanical properties. This heat resistance makes them fit for high-temperature uses such as boilers, heat exchangers and pressure vessels.
Corrosion resistance: These sheets and plates provide superior corrosion resistance, particularly in settings where water, chemicals, or other corrosive substances are prevalent, which makes them ideal for marine, medical, and offshore applications.
Alloy Steel Gr 11 Sheet and Plates are extensively utilized in industry across a range of sectors thanks to their distinctive blend of superb corrosion resistance, high strength, and adaptability. Typical industrial applications encompass uses within the oil and gas sector for offshore platforms, pipelines, and subsea equipment, where strength and resistance to corrosion are vital for enduring severe environments.
Pressure Vessels: Grade 11 alloy steel sheets and plates find extensive use in producing pressure vessels for the oil and gas, petrochemical and chemical process industries etc. Thanks to their high tensile strength and resistance to corrosion, they are well suited for hot applications operating under high pressures.
Power plants: Alloy steel grade 11 sheets and plates serve to build critical components of power generation facilities such as turbine blades, steam pipes, boiler tubes etc. Their outstanding mechanical properties, along with resistance to corrosion and oxidation, guarantee power plant reliability and the durability of accessories.
Heat exchangers: Grade 11 alloy steel sheets and plates are employed in heat exchangers that call for efficient heat transfer. Their strong thermal resistance and thermal conductivity make them perfect for transferring heat between liquids across a range of industrial applications.
Boilers: These materials are frequently applied to tubes, headers, shells and other boiler components owing to their excellent temperature and resistance to high temperatures and pressures that cause corrosion or damage
Define your requirements: Identify the particular uses and settings where the alloy steel sheets and plates will serve. Take into account elements like temperature, pressure, corrosion resistance, and the mechanical demands of the application.
Size and Design: Using your project specifications, work out the necessary thickness and thickness of the paper and plate. Confirm that the supplier is able to supply the required sizes or offer custom cutting services.
Corrosion Resistance: Take into account the corrosion resistance of alloy steel. Grade 11 steel typically offers greater resistance to high-temperature corrosion and oxidation, though it is essential to verify whether it satisfies the specific corrosion needs of your application.
Mechanical properties: Assess the workability of steel alloys, covering tensile strength, yield strength, elongation, and hardness. Select the grade that delivers the appropriate technical characteristics for your application.
Materials: Consult Industry Standards and Specifications for Alloy Steel Grade 11. Verify that materials satisfy required standards such as ASTM A387 Grade 11 Class 1 or Class 2 for plate and sheet materials.
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