Yousef Steel, a reputable manufacturer and supplier located in Riyadh, Saudi Arabia, provides top-notch **ASME SA 387 Grade 11 Class 1 and Class 2 sheets and plates** designed for high-temperature and pressure applications. These **chromium-molybdenum alloy steel plates** are commonly utilized in the construction of boilers, heat exchangers, pressure vessels, and various industrial process equipment in sectors like power generation, petrochemicals, and oil & gas. Yousef Steel guarantees full adherence to ASME standards and offers tailored material options to satisfy rigorous industry requirements.
These plates are delivered in a **normalized and tempered** state, ensuring dependable performance and extended service life under thermal cycling and mechanical stress. Typical applications include **steam drums, piping systems, reactors, and industrial boilers**.
| Standard | ASTM A387 / ASME SA387 |
|---|---|
| Width | 1000mm-3000mm |
| Thickness | 1.0mm – 200mm |
| Production | Hot-Rolled (HR) / Cold-Rolled (CR) |
| Grade | C | Si | Mn | P | S | Cr | Mo |
| A387 Gr. 11 CL 1 / 2 | 0.04-0.17 max | 0.44-0.86 max | 0.35-0.73 max | 0.035 max | 0.035 max | 0.94-1.56 max | 0.40-0.70 max |
| Grade | A387 Gr. 11 CL 1 / 2 | |||
| A387 Gr. 11 CL 1 / 2 | Thickness mm | Yield Min Mpa | Tensile Mpa | Elongation Min % |
| t≦50 | 240 | 415-585 | 22 | |
| 50<t≦200 | 240 | 415-585 | 19 | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Yousef Steel is a trusted manufacturer and supplier of high-quality ASME SA 387 Grade 11 Class 1/2 Sheet and Plates in Riyadh, Saudi Arabia. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel and Galvanized Steel, with a strong focus on Carbon Steel Sheet and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability and performance for critical industrial applications. Contact us today for all your ASME SA 387 Grade 11 Class 1/2 Sheet and Plates needs!
Yousef Steel offers SA 387 Gr 11 Cl 1/2 plates in a variety of thicknesses and dimensions, with options for **EN 10204 3.1/3.2 certification**, **ultrasonic testing**, edge preparation, and **third-party inspection** to meet specific project and code needs.
Yousef Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Riyadh, Saudi Arabia.
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