ASME SA 387 Grade 11 Class 1/2 Sheets and Plates are specially designed chromium-molybdenum alloy steels, perfect for high-temperature pressure vessel applications. Shalan Steel, a reputable manufacturer and supplier located in Kuala Lumpur, Malaysia, offers top-notch SA 387 Gr 11 Cl 1 and Cl 2 plates to various industries throughout Malaysia and Southeast Asia, catering to the needs of demanding thermal and pressure systems.
This grade features 1.25% chromium and 0.5% molybdenum, which provide remarkable strength, oxidation resistance, and thermal stability. Class 1 boasts a tensile strength range of 415–585 MPa, while Class 2 steps it up with a higher strength range of 515–690 MPa. Both classes ensure a minimum yield strength of 275 MPa and are generally supplied in a normalized and tempered state to enhance their mechanical properties.
| 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.
You’ll find ASME SA 387 Grade 11 Class 1/2 Sheets and Plates commonly used in pressure vessels, heat exchangers, boiler drums, and reactors that operate at elevated temperatures. Their impressive high-temperature performance, along with good weldability and creep resistance, makes them ideal for power plants, refineries, and petrochemical industries that demand long-lasting material reliability under heat and pressure.
ASME SA 387 Grade 11 Class 1/2 Sheets and Plates are usually utilized in high-temperature and high-pressure applications due to their higher strength and corrosion resistance. The plates are predominantly applied in boiler manufacturing, pressure vessels, and heat exchangers. The plates are used by petrochemical, power generation, oil and gas, and refineries sectors. Their chromium-molybdenum composition enhances durability, and hence they are ideal for applications that require resistance to oxidation, creep at high temperatures, and prolonged reliability under severe conditions.
Shalan 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 Kuala lumpur, Malaysia.
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