Home > Alloy Steel > Alloy Steel Grade 91 Coils
Alloy Steel Grade 91 Coils represent the pinnacle in industrial products, known for their exceptional strength, heat, and corrosion resistance. Made from a precision alloy blend of chromium and molybdenum, these coils thrive in harsh environments, making them indispensable in energy generation, petrochemicals and aerospace. Their superior mechanical properties ensure they work reliably at high pressures and temperatures, while their simplicity contributes to efficiency. Steel Grade 91 coils stand as a cornerstone for critical applications where reliability and durability are paramount . . . .
| Specifications | ASTM A387 Grade 91 / ASME SA 387 Grade 91 | |
| Thickness |
| |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc | |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc | |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc | |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange) | |
| Finish | Cold rolled sheet (CR), Hot rolled plate (HR) | |
| Applications | Pressure Vessel Plates, Boiler Plates |
| Grade | Tensile (MPa) | Yield (MPa) | Elongation (50mm) | Elongation (200mm) | Reduction of Area | |
|---|---|---|---|---|---|---|
| ASTM A387 Gr. 91 Cl. 1/2 | 415 – 585 | 205 min | 18% min | – | 40% min | – |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| Alloy Steel Gr 91 | 0.05 – 0.15 | 0.30-0.60 | 0.50 max | 0.035 max | 0.035 max | 2.0 – 2.5 | 0.90 – 1.10 | – | – |
At PipingMart, we take pride in being the largest supplier and manufacturer in the UAE, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UAE, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.
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We offer These Alloy Steel Grade 91 Coils as per DIN, ISO, JIS or ANSI Standard.
Alloy Steel Grade 91 Coils applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yes, Alloy Steel Grade 91 Coils can be welded using standard welding techniques. They generally exhibit good weldability, allowing for effective joining and fabrication processes. However, due to their high alloy content and specific composition, it’s important to follow proper welding procedures to maintain the mechanical properties and corrosion resistance of the alloy. This includes preheating the material, controlling the heat input during welding, and applying post-weld heat treatment as necessary. Proper welding practices ensure the integrity of the welds and maximize the performance of Alloy Steel Grade 91 Coils in various industrial applications.
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