| NPS | O.D. D (mm) | 90° Long Radius Center to End A (mm) |
45° Long Radius Center to End B (mm) |
90° 3D Center to End A (mm) |
45° 3D Center to End B (mm) |
|---|---|---|---|---|---|
| 1/2″ | 21.3 | 38 | 16 | – | – |
| 3/4″ | 26.7 | 38 | 19 | 57 | 24 |
| 1″ | 33.4 | 38 | 22 | 76 | 31 |
| 1 1/4″ | 42.2 | 48 | 25 | 95 | 39 |
| 1 1/2″ | 48.3 | 57 | 29 | 114 | 47 |
| 2″ | 60.3 | 76 | 35 | 152 | 63 |
| 2 1/2″ | 73 | 95 | 44 | 190 | 79 |
| 3″ | 88.9 | 114 | 51 | 229 | 95 |
| 3 1/2″ | 101.6 | 133 | 57 | 267 | 111 |
| 4″ | 114.3 | 152 | 64 | 305 | 127 |
| 5″ | 141.3 | 190 | 79 | 381 | 157 |
| 6″ | 168.3 | 229 | 95 | 457 | 189 |
| 8″ | 219.1 | 305 | 127 | 610 | 252 |
| 10″ | 273 | 381 | 159 | 762 | 316 |
| 12″ | 323.8 | 457 | 190 | 914 | 378 |
| 14″ | 355.6 | 533 | 222 | 1067 | 441 |
| 16″ | 406.4 | 610 | 254 | 1219 | 505 |
Each flange follows a rigorous 8-step forging and quality-control process to ensure conformance with ASTM A182 and ASME standards.
Prime 304 stainless steel billet sourced and certified.
Heat to 1100°C – 1250°C for optimal forgeability.
Shape billet into flange geometry under controlled pressure.
Solution anneal at 1040°C – 1120°C, then quench.
CNC machining, drilling, and surface finishing.
Tensile, hardness, PMI, visual and impact tests performed.