Yousef Steel, a well-respected manufacturer and supplier located in Riyadh, Saudi Arabia, provides top-quality **ASME SA 387 Grade 12 Class 1 and Class 2 sheets and plates**. These products are specifically engineered for high-temperature and pressure vessel applications. Crafted from **chromium-molybdenum alloy steel**, these plates are perfect for industries like **petrochemical**, **power generation**, **oil & gas**, and **refining**, where durability, thermal resistance, and mechanical strength are essential.
* **Class 1** plates provide a **minimum tensile strength of 415–585 MPa**, making them suitable for moderate-pressure applications. * **Class 2** boasts an **enhanced tensile strength of 485–620 MPa**, making it ideal for higher-stress, high-temperature situations.
| 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.12 CL.1 & 2 | 0.04-0.17 max | 0.13-0.45 max | 0.35-0.73 max | 0.035 max | 0.035 max | 0.74-1.21 max | 0.40-0.65 max |
| Grade | A387 GR.12 CL.1 & 2 | |||
| A387 GR.12 CL.1 & 2 | Thickness mm | Yield Min Mpa | Tensile Mpa | Elongation Min % |
| t≦50 | 230 | 380-550 | 22 | |
| 50<t≦200 | – | – | 18 | |
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 12 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 12 Class 1/2 Sheet and Plates needs!
Common applications for these plates include the fabrication of **heat exchangers, steam drums, pressure vessels, boilers, and components subjected to thermal cycling**. Yousef Steel offers SA 387 Gr 12 Cl 1/2 plates in a variety of dimensions and thicknesses, with options for **edge preparation, ultrasonic testing, EN 10204 3.1/3.2 certification**, and **third-party inspection** available upon request.
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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