Nestled in the heart of Manama’s vibrant industrial sector, Ahmer Steel stands as a trusted name for specialized steel solutions. We are proud to supply a cornerstone of modern high-performance engineering: Alloy Steel Grade 91 Coil. This material represents a significant leap in metallurgy, offering a unique combination of strength and durability that is perfectly suited for the demanding environments our clients operate in, making it a go-to choice for critical infrastructure and power generation projects throughout the region and beyond.
The exceptional nature of Grade 91 stems from its carefully balanced composition, primarily chromium and molybdenum with small but crucial additions of vanadium, niobium, and nitrogen. This specific recipe gives it outstanding mechanical properties, including remarkable creep strength, which allows it to withstand intense heat and pressure over very long periods without deforming. It also possesses excellent toughness and corrosion resistance, making it far superior to conventional steels when the demands are highest.
| Specifications | ASTM A387 / ASME SA387 |
| Standard | ASTM, ASME and API |
| Thickness | 4.0mm – 100mm |
| Specialize | Shim Sheet, Perforated Sheet, B. Q. Profile. |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Grade | ASTM A387 GR.91 |
| Grade | C | Ni | Mn | S | V | Al | Si | Nb | Cr | Mo | Nitrogen | P |
| A387 GR.91Â | 0.06-0.15 max | 0.43 max | 0.25-0.66 max | 0.012 max | 0.16-0.27 max | 0.05 max | 0.18-0.56 max | 0.05-0.11 max | 7.90-9.60 max | 0.80-2.10 max | 0.025-0.080 max | 0.025 max |
| Grade | A387 GR.91 CL.2 | |||
| A387 GR.91Â | Thickness mm | Yield Min Mpa | Tensile Mpa | Elongation Min % |
| t≦50 | 415 | 585-760 | 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.
Jaxon Steel based in Manama, Bahrain is a trusted manufacturer and supplier for Alloy Steel Grade 91 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. Jaxon 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!
This powerful combination of properties makes Alloy Steel Grade 91 Coil indispensable in several key industries. You will find it expertly fabricated into essential components for power plants, such as high-pressure steam pipes and superheater tubes, where reliability is non-negotiable. Its performance is also crucial in petrochemical refineries, in demanding process piping, and within high-temperature industrial furnaces. Essentially, wherever extreme heat and stress are a constant challenge, Grade 91 provides the resilient backbone that ensures safety, efficiency, and long-term operational success.
Ahmer 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 Manama, Bahrain.
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