Marzouk Steel, located in Tunis, Tunisia, has built a solid reputation as a manufacturer and supplier of top-notch alloy steel products, including ASME SA 387 Grade 12 Class 1/2 Sheets and Plates. With a focus on advanced manufacturing techniques and rigorous quality control, Marzouk Steel ensures that their materials meet international ASME standards, making them perfect for high-temperature and pressure applications. Their SA 387 Grade 12 Class 1/2 Sheets and Plates are known for their dependable strength, impressive heat resistance, and long-lasting performance. Thanks to their consistent quality, timely deliveries, and technical know-how, Marzouk Steel plays a vital role in supporting power generation, petrochemical, and heavy industrial projects around the globe.
The ASME SA 387 Grade 12 Class 1/2 Sheets and Plates are crafted from chromium-molybdenum alloy steel, typically featuring around 1% chromium and 0.5% molybdenum. This specific blend boosts their resistance to heat, oxidation, and creep when exposed to high temperatures. On the mechanical side, these plates boast a tensile strength that ranges from about 415 to 585 MPa and a yield strength of approximately 205 to 310 MPa, along with commendable elongation and impact toughness. They also offer good weldability and maintain their shape well under thermal and pressure loads.
| 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.
Marzouk Steel is a trusted manufacturer and supplier of high-quality ASME SA 387 Grade 12 Class 1/2 Sheet and Plates in Tunis, Tunisia. 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!
These ASME SA 387 Grade 12 Class 1/2 Sheets and Plates find extensive use in the production of boilers, pressure vessels, heat exchangers, and components for high-temperature piping. They are ideal for power plants, oil and gas refineries, petrochemical facilities, and chemical processing industries where reliable performance under heat and pressure is crucial. Moreover, these plates are utilized in industrial reactors and storage equipment that face demanding service conditions. Their strength, durability, and compliance with ASME standards make them a perfect fit for critical high-temperature engineering applications.
Marzouk 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 Tunis, Tunisia.
Copyright 2025 Marzouk Steel. All rights reserved
