Home > Alloy Steel > Alloy Steel Gr 91 Plates
Alloy steel Gr 91 platesare advanced materials recognized for their remarkable hardness, durability, and ability to withstand elevated temperatures and stresses. These plates were produced from an ideal blend of chromium, molybdenum, and other alloys to endure demanding conditions. Their outstanding mechanical properties, such as excellent creep and oxidation resistance, guarantee lasting reliability and performance, making them well-suited for essential petrochemical and oil and gas applications. Alloy steel Gr 91 plates are a dependable option where safety and performance are of the utmost importance.
| 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 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 production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote on your requirement.
We supply these Alloy Steel Gr 91 Plates in accordance with DIN, ISO, JIS or ANSI Standard.
Alloy Steel Gr 91 Plates find uses that are as varied as the sectors they cater to, propelled chiefly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
YesAlloy Steel Gr 91 Plates can be welded. They offer good weldability, permitting effective joining through standard welding methods. For the best weld quality and to preserve the material’s mechanical properties, it is advisable to apply proper preheating, controlled heat input, and post-weld heat treatment. This safeguards the soundness and strength of the welds, making Alloy Steel Gr 91 Plates well-suited for demanding industrial applications.
Email: sales@koasteel.nz
