Ranflex Metals has proven to be a leading manufacturer of Flanges and other products. We are a supplier, exporter and stockist of high quality Flanges. F91 alloy steel flanges are one of the most commonly used types of flanges in various household and industrial sectors. They are also easy to clean. Moreover, they do not tend to absorb odours. For this reason Alloy Steel 91 Flanges are widely used in the production and concentration of acids, as well as in the transportation of such substances. They are very easy to manufacture due to their excellent weldability and formability. Cold working is a commonly used manufacturing process. They are very reliable, durable and aesthetically pleasing products. They exhibit excellent resistance to chlorine and other acids.
Alloy Steel
F91
Flanges
Alloy Steel F91 Flanges are used in a variety of industries including bulk liquid transportation, pulp and paper manufacturing, petrochemical, oil and gas, as well as chemical, pharmaceutical, power generation, textile and other domestic industries. F91 alloy steel has moderate resistance to chlorine, but due to its high nickel content, it should not be exposed to heat in the presence of sulfur. In addition to nickel, F91 alloy steel flanges contain iron, chromium, manganese, silicon, carbon, and often contain large amounts of molybdenum.
Ranflex Metals is equipped with the latest machinery and technology that is highly automated. In our manufacturing process, we use the finest quality raw materials that pass multiple quality tests and turn them into exquisite products. We have a highly qualified and trained team of highly skilled employees who are supported and guided by our experts. We strive to produce the best products with high quality, long life and excellent operation. New designs and innovations have reduced the effort and time and made us even stronger.
Packaging is done carefully to ensure the safety of the products during transportation. We know that a single product damage can damage our reputation. We believe in building relationships, that's why our products are easily affordable. Plus, you get even more value for money when you order in bulk. We don't just use words as a tool to attract customers. We strive to keep them.
Standard | ASTM A182 / ASME SA182 |
Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
Size | 1/2" (15 NB) to 48" (1200NB) |
Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
ASTM A182 Alloy Steel F91 Slip On Flanges, UNS K90901 Slip On Flanges, 1.4903 Slip On Flange, Alloy Steel F91 Slip On Flanges Exporter, CrMo F91 SORF Flanges Supplier, Chrome Moly F91 Slip On Flanges Manufacturer in Mumbai/India.
ASTM A182 Alloy Steel F91 Weld Neck Flanges, UNS K90901 Weld Neck Flanges, 1.4903 Weld Neck Flange, Alloy Steel F91 Weld Neck Flanges Exporter, CrMo F91 WNRF Flanges Supplier, Chrome Moly F91 Weld Neck Flanges Manufacturer in Mumbai/India.
ASTM A182 Alloy Steel F91 Blind Flanges, UNS K90901 Blind Flanges, 1.4903 Blind Flange, Alloy Steel F91 Blind Flanges Exporter, CrMo F91 BLRF Flanges Supplier, Chrome Moly F91 Blind Flanges Manufacturer in Mumbai/India.
ASTM A182 Alloy Steel F91 Socket Weld Flanges, UNS K90901 Socket Weld Flanges, 1.4903 Socket Weld Flange, Alloy Steel F91 Socket Weld Flanges Exporter, CrMo F91 SWRF Flanges Supplier, Chrome Moly F91 Socket Weld Flanges Manufacturer in Mumbai/India.
ASTM A182 Alloy Steel F91 Ring Type Joint Flanges, UNS K90901 Ring Type Joint Flanges, 1.4903 Ring Type Joint Flange, Alloy Steel F91 Ring Type Joint Flanges Exporter, CrMo F91 RTJ Flanges Supplier, Chrome Moly F91 Ring Type Joint Flanges Manufacturer in Mumbai/India.
ASTM A182 Alloy Steel F91 Forged Flanges, UNS K90901 Forged Flanges, 1.4903 Forged Flange, Alloy Steel F91 Forged Flanges Exporter, CrMo F91 Forged Flanges Supplier, Chrome Moly F91 Forged Flanges Manufacturer in Mumbai/India.
ASTM A182 Alloy Steel F91 Long Weld Neck Flanges, UNS K90901 Long Weld Neck Flanges, 1.4903 Long Weld Neck Flange, Alloy Steel F91 Long Weld Neck Flanges Exporter, CrMo F91 RFLWN Flanges Supplier, Chrome Moly F91 Long Weld Neck Flanges Manufacturer in Mumbai/India.
ASTM A182 Alloy Steel F91 Lap Joint Flanges, UNS K90901 Lap Joint Flanges, 1.4903 Lap Joint Flange, Alloy Steel F91 Lap Joint Flanges Exporter, CrMo F91 LJRF Flanges Supplier, Chrome Moly F91 Lap Joint Flanges Manufacturer in Mumbai/India.
ASTM A182 Alloy Steel F91 Reducing Flanges, UNS K90901 Reducing Flanges, 1.4903 Reducing Flange, Alloy Steel F91 Reducing Flanges Exporter, CrMo F91 Reducing Flanges Supplier, Chrome Moly F91 Reducing Flanges Manufacturer in Mumbai/India.
STANDARD | UNS | WERKSTOFF NR. |
Alloy Steel F91 | K90901 | 1.4903 |
Grade | C | Mn | P | S | Si | Ni | Ch | Mo | Cb | N |
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 | 0.03-0.07 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
F91 | 585 | 415 | 20 | - | 248 max |
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Office Address :
6, Durgadevi Street, Near Durgadevi Temple, Kumbharwada, Mumbai – 400004, Maharashtra, India.