Home > Alloy Steel > Alloy Steel Grade 91 Coils
Alloy Steel Grade 91 Coilsrepresent the height of industrial products, recognized for their outstanding strength, heat, and corrosion resistance. Crafted from a precise alloy mix of chromium and molybdenum, these coils excel in severe environments, rendering them essential in energy generation, petrochemicals and aerospace. Their exceptional mechanical properties guarantee dependable performance under high pressures and temperatures, while their simplicity adds to efficiency. Steel Grade 91 coils serve as a foundation for critical applications where reliability and durability are essential . . . .
| 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 Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated in the New Zealand, we maintain an extensive stock of more than 25,000 tons of high-quality materials kept readily on hand.
Reach out to us for a fast quote tailored to your requirement.
We supply these Alloy Steel Grade 91 Coils conforming to DIN, ISO, JIS or ANSI Standard.
Grade 91 Alloy Steel Coils serve applications as varied as the industries that use them, led chiefly by the aerospace, railway, construction and automotive sectors, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
YesAlloy Steel Grade 91 Coils can be joined through conventional welding methods. They typically show good weldability, which permits efficient joining and fabrication work. Nonetheless, because of their high alloy content and particular makeup, adhering to correct welding procedures is essential to preserve the mechanical properties and corrosion resistance of the alloy. This means preheating the material, managing the heat input while welding, and carrying out post-weld heat treatment when required. Sound welding practices safeguard the soundness of the welds and get the most out of Alloy Steel Grade 91 Coils across a range of industrial applications.
Email: sales@koasteel.nz
