| NPS | O.D. (mm) | 90° LR Elbow (Inch) | 90° SR Elbow (Inch) | 45° Elbow (Inch) | 180° Return Elbow (Inch) |
|---|---|---|---|---|---|
| 1/2" | 21.3 | 1 1/2 | – | 5/8 | 1 7/8 |
| 3/4" | 26.7 | 1 1/8 | – | 7/16 | 1 11/16 |
| 1" | 33.4 | 1 1/2 | 1 | 7/8 | 2 3/16 |
| 1 1/4" | 42.2 | 1 7/8 | 1 1/4 | 1 | 2 3/4 |
| 1 1/2" | 48.3 | 2 1/4 | 1 1/2 | 1 1/8 | 3 1/4 |
| 2" | 60.3 | 3 | 2 | 1 3/8 | 4 3/16 |
| 2 1/2" | 73.0 | 3 3/4 | 2 1/2 | 1 3/4 | 5 3/16 |
| 3" | 88.9 | 4 1/2 | 3 | 2 | 6 1/4 |
| 4" | 114.3 | 6 | 4 | 2 1/2 | 8 1/4 |
| 6" | 168.3 | 9 | 6 | 3 3/4 | 12 5/16 |
| 8" | 219.1 | 12 | 8 | 5 | 16 5/16 |
| 10" | 273.1 | 15 | 10 | 6 1/4 | 20 3/8 |
| 12" | 323.9 | 18 | 12 | 7 1/2 | 24 3/8 |
| NPS | Outside Diameter (mm) | Equivalent Decimal |
|---|---|---|
| 1/2" | 21.3 | 0.840 |
| 3/4" | 26.7 | 1.050 |
| 1" | 33.4 | 1.315 |
| 1 1/4" | 42.2 | 1.660 |
| 1 1/2" | 48.3 | 1.900 |
| 2" | 60.3 | 2.375 |
| 2 1/2" | 73.0 | 2.875 |
| 3" | 88.9 | 3.500 |
| 4" | 114.3 | 4.500 |
| 6" | 168.3 | 6.625 |
| 8" | 219.1 | 8.625 |
| 10" | 273.1 | 10.750 |
| 12" | 323.9 | 12.750 |
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.