Kabby Flanges, a reputable manufacturer and supplier located in Abuja, Nigeria, specializes in top-notch Nickel Alloy 201 Flanges that are crafted for outstanding performance in harsh, corrosive, and high-temperature settings. Renowned for their remarkable mechanical strength and chemical stability, these flanges are perfect for industries that demand dependable, long-lasting connections. At Kabby Flanges, each Nickel Alloy 201 Flange is meticulously engineered and produced to meet international standards, ensuring exceptional resistance to corrosion, oxidation, and caustic environments. These flanges find extensive use in sectors like chemical processing, power generation, marine, and petrochemical industries, particularly for critical piping applications.
The composition of Nickel Alloy 201 Flanges primarily includes pure nickel (99.6%) along with small amounts of iron, carbon, silicon, and copper. This alloy is known for its excellent resistance to alkalis, acids, and reducing chemicals. In terms of mechanical properties, it boasts a tensile strength of about 370 MPa and a yield strength of roughly 100 MPa, while maintaining impressive ductility and toughness. Its low carbon content significantly enhances resistance to graphitization, making it suitable for high-temperature operations and ensuring reliable performance even in challenging conditions.
| Grade | Nickel Alloy 201 / UNS N02201 |
| Standard | ASTM B564, ASME SB564 |
| Dimensions | ANSI / ASME B16.5, B16.47 Series A & B, B.16.48, BS4504, BS10, DIN, EN-1092, MSS SP44 |
| Size | 1/2″ – 48″ (15NB – 1201NB) |
| Class / Pressure Rating | 150 Class, 300 Class, 201 Class, 900 Class, 1500 Class, 2500 Class, PN6, PN10, PN16, PN25, PN40, PN64, etc. |
| Form | Slip on Flanges (SORF), Threaded Flanges, Weld neck Flanges (WNRF), Blind Flanges, Socket weld Flanges, Lap Joint Flanges, Ring Type Joint Flanges, Spectacle Blind Flanges, Spacer Ring Flanges, Long weld Neck Flanges, Nipo Flange, Nipolet Flanges, Plate Flanges, Flat Flange, Orifice Flanges, Forged Flanges |
| Flange Face Type | Flat Face (FF), Raised Face (RF), Ring Type Joint(RTJ) |
| Grade | Ni | Fe | C | Mn | Si | Cu | Mg | Ti | S |
|---|---|---|---|---|---|---|---|---|---|
| Nickel 201 | 99.0 min | 0.4 max | 0.02 max | 0.35 max | 0.2 max | 0.25 max | 0.15 max | 0.1 max | 0.01 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.9 g/cm3 | 1446 °C (2635 °F) | Psi – 67000 , MPa – 462 | Psi – 21500 , MPa – 148 | 45 % |
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN |
|---|---|---|---|---|---|---|---|
| Nickel 201 | 2.4068 | N02201 | НП-2 | – | NW 2201 | NA 12 | NLC-Ni 99 |
Kabby Flanges, a leading supplier in Abuja, Nigeria, offers an extensive selection of Nickel Alloy 201 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Nickel Alloy 201 Flanges are widely utilized in industries where high purity and corrosion resistance are essential. They are particularly well-suited for chemical processing equipment, caustic soda production, heat exchangers, marine hardware, and power generation systems. Their ability to endure severe alkaline environments makes them ideal for applications involving caustic solutions and fluorine gas handling. These flanges provide secure connections in high-stress and corrosive settings, delivering durability, safety, and efficiency for long-term industrial use across various sectors.
| Size in Inch | Size in mm | Outer Diameter | Flange Thickness | Hub OD | Weld Neck OD | Welding Neck Length | Bore | RF Diameter | RF Height | PCD | Weld Face |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | I | J | ||
| 1/2 | 15 | 90 | 9.6 | 30 | 21.3 | 46 | Refer Note | 34.9 | 2 | 60.3 | 1.6 |
| 3/4 | 20 | 100 | 11.2 | 38 | 26.7 | 51 | 42.9 | 2 | 69.9 | 1.6 | |
| 1 | 25 | 110 | 12.7 | 49 | 33.4 | 54 | 50.8 | 2 | 79.4 | 1.6 | |
| 1 1/4 | 32 | 115 | 14.3 | 59 | 42.2 | 56 | 63.5 | 2 | 88.9 | 1.6 | |
| 1 1/2 | 40 | 125 | 15.9 | 65 | 48.3 | 60 | 73 | 2 | 98.4 | 1.6 | |
| 2 | 50 | 150 | 17.5 | 78 | 60.3 | 62 | 92.1 | 2 | 120.7 | 1.6 | |
| 2 1/2 | 65 | 180 | 20.7 | 90 | 73 | 68 | 104.8 | 2 | 139.7 | 1.6 | |
| 3 | 80 | 190 | 22.3 | 108 | 88.9 | 68 | 127 | 2 | 152.4 | 1.6 | |
| 3 1/2 | 90 | 215 | 22.3 | 122 | 101.6 | 70 | 139.7 | 2 | 177.8 | 1.6 | |
| 4 | 100 | 230 | 22.3 | 135 | 114.3 | 75 | 157.2 | 2 | 190.5 | 1.6 | |
| 5 | 125 | 255 | 22.3 | 164 | 141.3 | 87 | 185.7 | 2 | 215.9 | 1.6 | |
| 6 | 150 | 280 | 23.9 | 192 | 168.3 | 87 | 215.9 | 2 | 241.3 | 1.6 | |
| 8 | 200 | 345 | 27 | 246 | 219.1 | 100 | 269.9 | 2 | 298.5 | 1.6 | |
| 10 | 250 | 405 | 28.6 | 305 | 273 | 100 | 323.8 | 2 | 362 | 1.6 | |
| 12 | 300 | 485 | 30.2 | 365 | 323.8 | 113 | 381 | 2 | 431.8 | 1.6 | |
| 14 | 350 | 535 | 33.4 | 400 | 355.6 | 125 | 412.8 | 2 | 476.3 | 1.6 | |
| 16 | 400 | 595 | 35 | 457 | 406.4 | 125 | 469.9 | 2 | 539.8 | 1.6 | |
| 18 | 450 | 635 | 38.1 | 505 | 457.2 | 138 | 533.4 | 2 | 577.9 | 1.6 | |
| 20 | 500 | 700 | 41.3 | 559 | 508 | 143 | 584.2 | 2 | 635 | 1.6 | |
| 24 | 600 | 815 | 46.1 | 663 | 610 | 151 | 692.2 | 2 | 749.3 | 1.6 |
| Normal Sizes In inch | Dimension | Flanges Dimensional Sizes 1/2 inch. to 2 1/2 inch. | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Class 125 Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 | ||||||||||
| inch. | mm | inch. | millimeter | inch. | mm | inch. | mm | inch. | mm | inch. | mm | inch | mm | |||
| 1/2 | A | 3 1/2 | 88.9 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 4 3/4 | 121 | 4 3/4 | 121 | 5 1/4 | 133.4 | |
| b | 7/16 | 11.1 | 9/16 | 14.3 | 9/16 | 14.3 | 9/16 | 14.3 | 7/8 | 22.2 | 7/8 | 22.2 | 1 3/16 | 30.2 | ||
| D2 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | ||
| D1 | 2 3/8 | 60.3 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 3 1/4 | 82.6 | 3 1/4 | 82.6 | 3 1/2 | 88.9 | ||
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | – | 4 | 44 | ||
| d | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | ||
| 3/4 | A | 3 7/8 | 98.4 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 5 1/8 | 130 | 5 1/8 | 130 | 5 1/2 | 139.7 | |
| b | 1/2 | 12.7 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 1 | 25.4 | 1 | 25.4 | 1 1/4 | 31.8 | ||
| D2 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | ||
| D1 | 2 3/4 | 69.8 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 3/4 | 95.2 | ||
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | – | 4 | 44 | ||
| d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | ||
| 1 | A | 4 1/4 | 108 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 6 1/4 | 159 | |
| b | 9/16 | 14.3 | 11/16 | 17.5 | 11/16 | 17.5 | 11/16 | 17.5 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 3/8 | 34.9 | ||
| D2 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | ||
| D1 | 3 1/8 | 79.4 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 4 | 102 | 4 | 102 | 4 1/4 | 108 | ||
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
| d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 | 25.4 | ||
| 1 1/4 | A | 4 5/8 | 117.5 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 6 1/4 | 159 | 6 1/4 | 159 | 7 1/4 | 184.2 | |
| b | 5/8 | 15.9 | 3/4 | 19 | 13/16 | 20.6 | 13/16 | 20.6 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/2 | 38.1 | ||
| D2 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | ||
| D1 | 3 1/2 | 88.9 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 4 3/8 | 111 | 4 3/8 | 111 | 5 1/8 | 130 | ||
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
| d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | ||
| 1 1/2 | A | 5 | 127 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 7 | 177.8 | 7 | 177.8 | 8 | 203 | |
| b | 11/16 | 17.5 | 13/16 | 20.6 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/4 | 31.8 | 1 1/4 | 31.8 | 1 3/4 | 44.5 | ||
| D2 | 2 7/8 | 73 98 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | ||
| D1 | 3 7/8 | 4 | 4 1/2 | 114 | 4 1/2 | 114 | 4 1/2 | 114 | 4 7/8 | 124 | 4 7/8 | 124 | 5 3/4 | 146 | ||
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
| d | 5/8 | . 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | ||
| 2 | A | 6 | 152.4 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 9 1/4 | 234.9 | |
| b | 3/4 | 19 | 7/8 | 22.2 | 1 | 25.4 | 1 | 25.4 | 1 1/2 | 38.1 | 1 1/2 | 38.1 | 2 | 50.8 | ||
| D2 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | ||
| D1 | 4 3/4 | 121 | 5 | 127 | 5 | 127 | 5 | 127 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 3/4 | 171 | ||
| n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
| d | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | ||
| 2 1/2 | A | 7 | 177.8 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 9 5/8 | 244 | 9 5/8 | 244 | 10 1/2 | 266.7 | |
| b | 7/8 | 22.2 | 1 | 25.4 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 5/8 | 41.3 | 1 5/8 | 41.3 | 2 1/4 | 57.2 | ||
| D2 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 105 | 4 1/8 | 105 | 4 1/8 | 105 | ||
| D1 | 5 1/2 | 139.7 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 3/4 | 197 | ||
| n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
| d | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | ||
Yes, we offer custom sizes for Nickel Alloy 201 Flanges to meet specific project needs. Our team at Kabby Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@kabbyflanges.com.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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