| NPS | O.D. (mm) | 90° LR Elbow | 90° SR Elbow | 45° Elbow | 180° Return |
|---|---|---|---|---|---|
| 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" |
| 3 1/2" | 101.6 | 5 1/4" | 3 1/2" | 2 1/4" | 7 1/4" |
| 4" | 114.3 | 6" | 4" | 2 1/2" | 8 1/4" |
| 5" | 141.3 | 7 1/2" | 5" | 3 1/8" | 10 5/16" |
| 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 | O.D. (mm) | End Cap | Equal Tee | Equal Cross | Stub End Lap Diameter | Long Stub End | Short Stub End |
|---|---|---|---|---|---|---|---|
| 1/2" | 21.3 | 0.840" | 1" | 1" | – | 3" | 2" |
| 3/4" | 26.7 | 1.050" | 1 1/8" | – | – | 3" | 2" |
| 1" | 33.4 | 1.315" | 1 1/2" | 1 1/2" | 2" | 4" | 2" |
| 1 1/4" | 42.2 | 1.660" | 1 7/8" | 1 7/8" | 2 1/2" | 4" | 2" |
| 1 1/2" | 48.3 | 1.900" | 2 1/4" | 2 1/4" | 2 7/8" | 4" | 2" |
| 2" | 60.3 | 2.375" | 2 1/2" | 2 1/2" | 3 5/8" | 6" | 2 1/2" |
| 2 1/2" | 73.0 | 2.875" | 3" | 3" | 4 1/8" | 6" | 2 1/2" |
| 3" | 88.9 | 3.500" | 3 3/8" | 3 3/8" | 5" | 6" | 2 1/2" |
| 4" | 114.3 | 4.500" | 4 1/8" | 4 1/8" | 6 3/16" | 6" | 3" |
| 6" | 168.3 | 6.625" | 5 5/8" | 5 5/8" | 8 1/2" | 8" | 3 1/2" |
| 8" | 219.1 | 8.625" | 7" | 7" | 10 5/8" | 8" | 4" |
| 10" | 273.1 | 10.750" | 8 1/2" | 8 1/2" | 12 3/4" | 10" | 5" |
| 12" | 323.9 | 12.750" | 10" | 10" | 15" | 10" | 6" |
| Standard | Werkstoff No. | UNS | AFNOR | EN | JIS | BS | GOST |
|---|---|---|---|---|---|---|---|
| Incoloy 825 | 2.4858 | N08825 | NFE30C20DUM | NiCr21Mo | NCF 825 | NA 16 | ЭП703 |
| Temperature °F | Temperature °C | Class 150 1/4"–1" |
Class 300 1/4"–1" |
Class 300 1 1/4"–2" |
Class 300 2 1/2"–3" |
|---|---|---|---|---|---|
| -20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
| 200 | 93 | 265 | 1785 | 1350 | 910 |
| 250 | 121 | 225 | 1575 | 1200 | 825 |
| 300 | 149 | 185 | 1360 | 1050 | 735 |
| 350 | 177 | 150 | 1150 | 900 | 650 |
| 400 | 204 | – | 935 | 750 | 560 |
| 450 | 232 | – | 725 | 600 | 475 |
| 500 | 260 | – | 510 | 450 | 385 |
| 550 | 288 | – | 300 | 300 | 300 |
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.