Yousef Steel, a trusted steel manufacturer and supplier located in Riyadh, Saudi Arabia, proudly offers top-quality **ASME SA 387 Grade 5 Class 1 and Class 2 sheets and plates**. These products are specifically engineered for pressure vessels and high-temperature applications. Made from **chromium-molybdenum alloy steel**, these plates are essential in industries like oil & gas, petrochemicals, power generation, and refineries, where durability against high heat and corrosion is paramount. Yousef Steel adheres strictly to ASME and ASTM standards, ensuring that their materials are fit for critical service environments.
*SA 387 Grade 5** features an alloy composition of **5% chromium and 0.5% molybdenum**, which provides outstanding **oxidation and heat resistance**, along with commendable weldability and formability.
| 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.5 CL.1 | 0.15 max | 0.55 max | 0.25-0.66 max | 0.035 max | 0.035 max | 3.90-6.10 max | 0.40-0.70 max |
| Grade | A387 GR.5 CL.1 | |||
| A387 GR.5 CL.1 | Thickness mm | Yield Min Mpa | Tensile Mpa | Elongation Min % |
| t≦50 | 205 | 415-585 | 18 | |
| 50<t≦200 | – | – | – | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
These plates are commonly utilized in **boilers, heat exchangers, reactors, and pressure vessels** that operate in high-temperature settings. Yousef Steel supplies SA 387 Gr 5 Cl 1/2 plates in various thicknesses and dimensions, with options for edge preparation, heat treatment, and **EN 10204 3.1/3.2 certification**. Additional services include **ultrasonic testing, third-party inspection**, and custom cutting to cater to specific project requirements.
ASME SA 387 Grade 5 Class 1 & 2 Sheets and Plates are extensively used in high-temperature and pressure conditions. The plates play a crucial role in petrochemical, oil and gas, power generation, and chemical processing industries. They are mainly utilized in the production of boilers, heat exchangers, pressure vessels, and reactors. Their chromium-molybdenum content offers superior strength, corrosion resistance, and durability, which makes them suitable for applications that need consistent performance under harsh heat and pressure conditions.
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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