Chetan Steel, a trusted manufacturer and supplier in Delhi, India, offers high-quality Alloy Steel Grade 11 Coils engineered for high-temperature and pressure applications. Manufactured with precision and strict quality control, these coils are known for their strength, durability, and excellent resistance to oxidation. Alloy Steel Grade 11 Coil is widely used in power plants, refineries, and petrochemical industries where reliability is critical. Backed by industry expertise and compliance with international standards, Chetan Steel ensures consistent performance, dimensional accuracy, and long service life, making these coils a dependable choice for demanding industrial environments.
Alloy Steel Grade 11 Coil is a chromium-molybdenum steel with a typical composition of 0.05–0.15% carbon, 1.00–1.50% chromium, 0.44–0.65% molybdenum, 0.30–0.60% manganese, and 0.50% max silicon, with controlled phosphorus and sulfur. This composition provides excellent high-temperature strength, oxidation resistance, and creep resistance. Mechanically, Grade 11 steel offers good tensile strength, stable hardness, and superior weldability, making it suitable for pressure-containing components operating under elevated temperatures and stresses.
| Specifications | : | ASTM A387 / ASME SA387 |
| Thickness | : | 1mm-300mm |
| Width | : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc |
| Length | : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc |
| Surface | : | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR) |
| Form | : | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| Alloy Steel Gr 11 | 0.05 – 0.17 | 0.40-0.65 | 0.50 – 0.80 | 0.035 max | 0.035 max | 1.0 – 1.5 | 0.45 – 0.65 | – | – |
| Tensile (MPa) | Yield (MPa) | Elongation (50mm) | Elongation (200mm) | Reduction of Area |
| 415 – 585 | 240 min | 22% min | 19% min | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chetan Steel based in Delhi, India is a trusted manufacturer and supplier for Alloy Steel Grade 11 Coils of great quality. In fact, we have earned our reputation for providing a variety of top-notch steel products-such as Structural Steel, Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel-with emphasis on Structural Steel Sheets and Plates. Basic product lines include a complete range of Pipes, Tubes, Flanges, Forged Fittings, Bars, and other forms. Chetan Steel is committed to its delivery and customer service, thus ensuring that they procure the best raw materials to guarantee high strength and durability with performance specifically for critical industrial applications. Contact us anytime for your Structural Steel Sheet and Plate needs!
Alloy Steel Grade 11 Coil is widely used in high-temperature and high-pressure applications across power generation and process industries. Common applications include boiler components, heat exchangers, superheaters, pressure vessels, and piping systems. These coils are also used in oil and gas refineries, chemical plants, and thermal power stations where resistance to heat, pressure, and oxidation is essential. Their excellent fabrication characteristics allow easy forming and welding, making them ideal for critical industrial equipment. Alloy Steel Grade 11 Coil is a preferred material where long-term reliability and performance are required.
Chetan 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 Delhi, India.
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