Home > Alloy Steel > Alloy Steel Gr 91 Plates
Alloy steel Gr 91 plates are high-performance materials known for their exceptional hardness, durability, and resistance to high temperatures and stresses. These plates were made from a perfect mixture of chromium, molybdenum, and other alloys to withstand harsh conditions. Their superior mechanical properties, including excellent creep and oxidation resistance, ensure long-term reliability and performance, making them ideal for critical petrochemical and oil and gas applications. Alloy steel Gr 91 plates are a reliable choice where safety and performance are paramount.
| Gr 91 Sheets & Plates Specifications | ASTM A387 / ASME SA387, BS EN 10088-2, en 10028-7, IS 6911 |
|---|---|
| Gr 91 Sheets & Plates Dimension Standard | MSRR, AMS, BS, JIS, AISI, ASTM, GB, DIN, EN, etc |
| Alloy Steel Gr 91 Sheets & Plates Size Range | Cold rolled ASME SA387 Grade Gr 91 Alloy Steel Sheet 0.5-6.4 mm Hot rolled ASME SA387 Grade Gr 91 Alloy Steel Sheet 3.0–10.0 mm |
| Gr 91 Alloy Steel Sheets & Plates Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Alloy Steel Gr 91 Sheets & Plates Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Alloy Steel Gr 91 Sheets & Plates Thickness | 0.3 mm to 120 mm |
| International Standard of Alloy Steel Gr 91 Sheets & Plates | ASTM A480 ASTM A959 ASME IID EN ISO 9445 EN ISO 18286 EN 10051 EN 10088-1 ISO 15510 |
| Tolerances (width / thickness) of Alloy Steel Gr 91 Sheets & Plates | EN 10258/ DIN 59381) EN 10151 ASME SA387 Gr 91 Alloy Steel Strips EN 10088 SA -240-400 Strips |
| Finish of Alloy Steel Gr 91 Sheets & Plates | 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
| Hardness | Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
| Form | Sheet, Plate, Strip, Flats, Clad Plate, Coils, Foils, Plain Sheet, Flat Shim, Flat Sheet, Shim Sheet, Rolling Sheet, Rolling Plate, Rolls, Blank (Circle), soft annealed, descaled, tread plate, sheared, annealed, Checker Plate |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Dealers & Distributor of | SAIL, ESSAR, JINDAL, TATA, BHUSHAN, INDIAN, POSCO, JISCO, TISCO, LISCO, BAOSTEEL IMPORTED material |
| Alloy Steel Gr 91 Profiling | Plasma Plate Cutting Laser Plate Cutting Oxy-propane Flame Cutting |
| C | Mn | P | S | Si | Cr | Mo |
| 0.15 max | 0.25 – 0.66 | 0.030 | 0.030 | 01.05 max | 7.9 – 10.1 | 0.85 1.15 |
| Grade | ASME SA 387 Gr.91 CL.1/2 Alloy Steel Plate |
|---|---|
| Width | 1000mm-4500mm |
| Thickness | 5mm-150mm |
| Length | 3000mm-18000mm |
| Supply Condition | As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement. |
| Impact tested | 52° C |
| Process of Manufacturing | Hot-Rolled (HR) |
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.
Contact us to get a quick quote for your requirement.
We offer These Alloy Steel Gr 91 Plates as per DIN, ISO, JIS or ANSI Standard.
Alloy Steel Gr 91 Plates 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 Gr 91 Plates can be welded. They have good weldability, allowing for effective joining using standard welding techniques. To ensure optimal weld quality and maintain the material’s mechanical properties, proper preheating, controlled heat input, and post-weld heat treatment are recommended. This ensures the integrity and strength of the welds, making Alloy Steel Gr 91 Plates suitable for demanding industrial applications.
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