| NPS | Nominal Bore (inches) | Flange O.D. (mm) | Thickness (mm) | Flange Type |
|---|---|---|---|---|
| ½″ | 0.84 | 35.05 | 6.35 | Socket Weld |
| ¾″ | 1.05 | 40.89 | 6.35 | Socket Weld |
| 1″ | 1.31 | 48.26 | 7.11 | Socket Weld |
| 1½″ | 1.69 | 60.45 | 7.87 | Socket Weld |
| 2″ | 2.06 | 73.15 | 7.87 | Socket Weld |
| 3″ | 2.94 | 98.55 | 8.64 | Socket Weld |
| 4″ | 3.94 | 123.95 | 9.65 | Socket Weld |
| 6″ | 5.88 | 174.75 | 9.65 | Socket Weld |
| 8″ | 7.88 | 225.55 | 12.70 | Socket Weld |
| 10″ | 9.88 | 276.35 | 14.22 | Socket Weld |
| NPS | Nominal Bore (inches) | No. Of Holes | Bolt Circle (mm) | Flange O.D. (mm) | Thickness (mm) |
|---|---|---|---|---|---|
| 1″ | 1.315 | 4 | 95.25 | 114.30 | 12.70 |
| 2″ | 2.375 | 4 | 114.30 | 127.00 | 12.70 |
| 3″ | 3.500 | 6 | 139.70 | 152.40 | 19.05 |
| 4″ | 4.500 | 8 | 165.10 | 177.80 | 19.05 |
| 6″ | 6.625 | 8 | 215.90 | 228.60 | 25.40 |
| 8″ | 8.625 | 12 | 266.70 | 266.70 | 31.75 |
| 10″ | 10.750 | 12 | 317.50 | 304.80 | 38.10 |
| 12″ | 12.750 | 16 | 368.30 | 368.30 | 44.45 |
| NPS | Flange Type | Weight / Pc (kg) |
|---|---|---|
| ½″ – 10″ | Socket Weld | As per drawing |
| 1″ – 12″ | Figure-8 Blank | As per drawing |
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.