| NPS | DN (mm) | Outside Diameter D (mm) | Height E (mm) |
|---|---|---|---|
| 1/2″ | 15 | 21.34 | 25.40 |
| 3/4″ | 20 | 26.67 | 31.75 |
| 1″ | 25 | 33.40 | 38.10 |
| 1 1/4″ | 32 | 42.16 | 38.10 |
| 1 1/2″ | 40 | 48.26 | 38.10 |
| 2″ | 50 | 60.32 | 38.10 |
| 2 1/2″ | 65 | 73.02 | 38.10 |
| 3″ | 80 | 88.90 | 50.80 |
| 3 1/2″ | 90 | 101.60 | 63.50 |
| 4″ | 100 | 114.30 | 63.50 |
| 5″ | 125 | 141.30 | 76.20 |
| 6″ | 150 | 168.27 | 88.90 |
| 8″ | 200 | 219.07 | 101.60 |
| 10″ | 250 | 273.05 | 127.00 |
| 12″ | 300 | 323.85 | 152.40 |
| 14″ | 350 | 355.60 | 165.10 |
| 16″ | 400 | 406.40 | 177.80 |
| 18″ | 450 | 457.20 | 203.20 |
| 20″ | 500 | 508.00 | 228.60 |
| 22″ | 550 | 558.80 | 254.00 |
| 24″ | 600 | 609.60 | 266.70 |
| 28″ | 700 | 711.20 | 266.70 |
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.