| NPS | DN | Outside Diameter D (mm) | Center-to-End A for 90° (mm) | Centerline Radius R (mm) | Approx. Radius Ratio |
|---|---|---|---|---|---|
| 1/2" | 15 | 21.3 | 38 | 28.6 | 1.5D |
| 3/4" | 20 | 26.7 | 38 | 38.1 | 1.5D |
| 1" | 25 | 33.4 | 38 | 38.1 | 1.5D |
| 1 1/4" | 32 | 42.2 | 48 | 47.6 | 1.5D |
| 1 1/2" | 40 | 48.3 | 57 | 57.2 | 1.5D |
| 2" | 50 | 60.3 | 76 | 76.2 | 1.5D |
| 2 1/2" | 65 | 73.0 | 95 | 95.3 | 1.5D |
| 3" | 80 | 88.9 | 114 | 114.3 | 1.5D |
| 3 1/2" | 90 | 101.6 | 133 | 133.4 | 1.5D |
| 4" | 100 | 114.3 | 152 | 152.4 | 1.5D |
| 5" | 125 | 141.3 | 190 | 190.5 | 1.5D |
| 6" | 150 | 168.3 | 229 | 228.6 | 1.5D |
| 8" | 200 | 219.1 | 305 | 304.8 | 1.5D |
| 10" | 250 | 273.0 | 381 | 381.0 | 1.5D |
| 12" | 300 | 323.8 | 457 | 457.2 | 1.5D |
| 14" | 350 | 355.6 | 533 | 533.4 | 1.5D |
| 16" | 400 | 406.4 | 610 | 609.6 | 1.5D |
| 18" | 450 | 457.0 | 686 | 685.8 | 1.5D |
| 20" | 500 | 508.0 | 762 | 762.0 | 1.5D |
| 22" | 550 | 559.0 | 838 | 838.2 | 1.5D |
| 24" | 600 | 610.0 | 914 | 914.4 | 1.5D |
| Bend Angle | Type | Centerline Radius | Typical Application |
|---|---|---|---|
| 30° | Long Radius Bend | 1.5D | Small Direction Change |
| 45° | Long Radius Bend | 1.5D | Directional Change |
| 60° | Long Radius Bend | 1.5D | Special Piping Layout |
| 90° | Long Radius Bend | 1.5D | Standard 90° Direction Change |
| NPS | OD (mm) | SCH 10S Approx. Weight (kg) | SCH 40 / STD Approx. Weight (kg) | SCH 80 / XS Approx. Weight (kg) |
|---|---|---|---|---|
| 1/2" | 21.3 | 0.08 | 0.12 | 0.16 |
| 3/4" | 26.7 | 0.10 | 0.15 | 0.20 |
| 1" | 33.4 | 0.15 | 0.22 | 0.30 |
| 1 1/4" | 42.2 | 0.25 | 0.38 | 0.50 |
| 1 1/2" | 48.3 | 0.34 | 0.52 | 0.68 |
| 2" | 60.3 | 0.50 | 0.78 | 1.05 |
| 2 1/2" | 73.0 | 0.80 | 1.25 | 1.65 |
| 3" | 88.9 | 1.10 | 1.75 | 2.30 |
| 4" | 114.3 | 1.75 | 2.75 | 3.60 |
| 5" | 141.3 | 2.80 | 4.35 | 5.75 |
| 6" | 168.3 | 4.00 | 6.25 | 8.20 |
| 8" | 219.1 | 7.50 | 11.80 | 15.40 |
| 10" | 273.0 | 12.00 | 18.80 | 24.60 |
| 12" | 323.8 | 17.50 | 27.50 | 36.00 |
| 14" | 355.6 | 23.00 | 36.00 | 47.00 |
| 16" | 406.4 | 29.50 | 46.00 | 60.00 |
| 18" | 457.0 | 37.00 | 58.00 | 76.00 |
| 20" | 508.0 | 46.00 | 72.00 | 94.00 |
| 22" | 559.0 | 55.00 | 86.00 | 112.00 |
| 24" | 610.0 | 66.00 | 103.00 | 134.00 |
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.