| 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" |
| DN | SCH 10S 90° Elbow | SCH 10S 45° Elbow | SCH 10S Equal Tee | SCH 40S 90° Elbow | SCH 40S 45° Elbow | SCH 40S Equal Tee | SCH 80S 90° Elbow | SCH 80S 45° Elbow | SCH 80S Equal Tee |
|---|---|---|---|---|---|---|---|---|---|
| 8 | 0.02 | 0.01 | 0.03 | 0.03 | 0.02 | 0.06 | 0.04 | 0.03 | 0.07 |
| 15 | 0.06 | 0.03 | 0.09 | 0.08 | 0.04 | 0.10 | 0.10 | 0.05 | 0.14 |
| 25 | 0.14 | 0.08 | 0.28 | 0.15 | 0.11 | 0.29 | 0.22 | 0.14 | 0.38 |
| 50 | 0.50 | 0.25 | 0.85 | 0.70 | 0.40 | 1.28 | 0.91 | 0.59 | 1.59 |
| 100 | 2.10 | 1.08 | 3.46 | 4.47 | 2.09 | 5.27 | 6.18 | 2.81 | 7.71 |
| 150 | 5.45 | 2.72 | 8.07 | 10.89 | 5.44 | 10.99 | 16.32 | 8.16 | 13.61 |
| 200 | 10.20 | 5.33 | 15.65 | 21.54 | 10.77 | 20.91 | 33.11 | 16.56 | 28.12 |
| 250 | 18.15 | 9.75 | 26.46 | 38.56 | 19.27 | 35.38 | 51.71 | 25.86 | 49.90 |
| 300 | 25.80 | 13.62 | 39.46 | 59.42 | 29.71 | 62.14 | 79.38 | 39.69 | 83.91 |
| Standard | Werkstoff No. | UNS | GOST | AFNOR | EN | JIS | BS |
|---|---|---|---|---|---|---|---|
| Inconel 625 | 2.4856 | N06625 | ХН75МБТЮ | NC22DNB4M | NC22DNB4M | NCF 625 | NA 21 |
| 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.