Alloy Steel ASTM A182 F91 Flanges
Alloy Steel ASTM A182 F91 Flanges, A182 F91 Flanges, A182 F91 Alloy Steel Flanges, Chrome Moly Grade F91 Blind Flange Stockists, 1.4903 Plate Flanges, UNS K90901 Flanges Supplier in Mumbai, India.
Alloy Steel F91 Forged Flanges, ASME SA 182 Alloy Steel F91 Lap Joint Flanges, Alloy Steel F91 Socket weld Flanges Stockist, Chrome Moly F91 Long Weld Neck Flanges, Alloy Steel F91 Weld Neck Flanges, ASTM A182 Chrmoe Moly F91 Blind Flanges, Alloy Steel F91 RTJ Flanges, Alloy Steel F91 Slip on Flanges, Alloy Steel F91 Orifice Flanges Exporter in India.
Table of Content
- What is ASTM A182 Alloy Steel F91 Flanges
- ASTM A182 Alloy Steel F91 Flanges Stock
- Alloy Steel F91 Pipe Flanges Specification
- ASME SA 182 Alloy Steel F91 Flanges Equivalent Grades
- Chrome Moly F91 Flanges Chemical Composition
- Alloy Steel F91 Flanges Mechanical Properties
- Other Types of Alloy Steel F91 Flanges

Simplex Steel Industries is one of the prominent manufacturers, suppliers, and exporters of high-quality Alloy Steel ASTM A182 F91 Flanges. We offer these flanges in different dimensions, lengths, and specifications, customised as per client requirements. They are composed of a combination of purest metals such as Manganese, Molybdenum, Chromium, and Nickel. With the presence of these metals, A182 F91 Alloy Steel flanges offer excellent strength, resistance to high-temperature corrosion, good weldability and dimensional accuracy. These flanges are widely used in industries where reliability and performance are essential.
Our Alloy Steel F91 Flanges conform to various international standards, including ASME B16.47, ASME B16.5 and other relevant specifications. They come in sizes between ½ an inch and 36 inches. We provide these flanges in various types, including ring-type joints, flat face and raised face flanges. ASTM A182 Grade F91 flanges are designed to offer high performance in high-pressure and high-temperature environments. Their design flexibility and superior mechanical strength ensure reliable sealing and leak prevention in piping systems.
A182 F91 Flanges are used for constructing pressure vessels, steam turbines power plants and oil and gas transmission lines. We conduct quality control measures to ensure the flange meets the required mechanical properties and specifications. Our Alloy Steel ASTM A182 F91 Flanges are well packed to avoid damage during transportation and we use the fastest means to deliver the products to our clients. With competitive pricing and consistent product quality, we strive to be your trusted supplier for ASTM A182 Grade F91 and other alloy steel flanges.
Value Added Services
- Sand Blasting
- Electro Polish
- Epoxy Coating
Features
- High tensile strength
- Good load bearing capacity
- Excellent versatility and weldability
Testing
- Hardness Test
- Tensile Test
- Intergranular Corrosion Test
Alloy Steel ASTM A182 F91 Flanges Specification
| Standards | ASTM, ASME |
| Designation | A182, SA182 |
| Dimension Standard | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Standards | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc. |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Size | 1/2" (15 NB) to 48" (1200NB) |
| Class | Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Alloy Steel ASTM A182 F91 Flanges Types
ASME SA 182 Alloy Steel F91 Pipe Flanges Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. |
| Alloy Steel F91 | K90901 | 1.4903 |
Alloy Steel F91 Flanges Chemical Composition
| Grade | C | Mn | P | s | Si | Ni | Ch | Mo | Cb |
| F91 | 0.08-0.12 | 0.30-0.60 | 0.020 | 0.010 | 0.20-0.50 | 0.40 | 8.0-9.5 | 0.85-1.05 | 0.06-0.10 |
Alloy steel F91 Flanges Mechanical Properties
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| F91 | 585 | 415 | 20 | - | 248 max |
Alloy Steel ASTM A182 F91 Flanges Stock
- Alloy Steel F91 Flanges
- UNS K90901 Flanges
- Alloy Steel F91 Pipe Flanges
- 1.4903 Plate Flanges
- Alloy Steel F91 Flanges Stockholder in India
- ANSI B16.5 Alloy Steel F91 Flange
- Alloy Steel F91 Slip on Flanges
- Alloy Steel F91 Welding Neck Flanges
- Alloy Steel F91 Long Weld Neck Flanges
- Alloy Steel F91 Forged Flanges
- Chrome Moly F91 Socket weld Flanges Stockist
- CrMo F91 Orifice Flanges
- Alloy Steel F91 Flanges Supplier in Mumbai
- Chrome Moly F91 Flanges Manufacturer in India
- Alloy Steel F91 Lap Joint Flanges
- Alloy Steel F91 RTJ Flanges
- Alloy Steel F91 Blind Flanges
- CrMo F91 Ring Type Joint Flanges
- Alloy Steel F91 Spectacle Blind Flanges
- Alloy Steel F91 Square Flanges
- Cr-Mo F91 Pipe Flange Stockist in Mumbai, India
- ASME SA 182 Alloy Steel F91 Threaded Flanges
- Alloy Steel F91 Flat Flanges
- Alloy Steel F91 Reducing Flanges
- Alloy Steel F91 Plate Flanges
- Alloy Steel F91 SORF Flanges
We have huge experience of supplying to all major industries across the world. These Flanges is use in various industries like : Petrochemical, Pulp And Paper Co, Oil and Gas, Chemical Industry, Food Processing Industry, Plumbing, Water Supply Systems, Power Plant, General Purpose Applications, Fabrication Industry etc
Central/South America, North America, Asia, Mid East/Africa, Eastern Europe, UAE
Sri Lanka, Bahrain, Russia, Egypt, Portugal, Turkey, Spain, Singapore, Brazil, Thailand, Chile, Malaysia, Venezuela, Indonesia, Costa Rica, Poland, USA, U.A.E, Italy, Oman, Canada, Saudi Arabia, Angola, Qatar