We design and fabricate products on the basis of special industrial requirements of our clients.
We design and fabricate products on the basis of special industrial requirements of our clients.
Dimensional tolerances and specifications for ASME B16.5 Class 150 standard Weld Neck (WN) and Slip-On (SO) flanges. All dimensions are in millimeters (mm).
| Nominal Pipe Size (NPS) | Outside Diameter (O) | Thickness (tf) | Diameter of Hub (X) | Length Thru Hub (WN) | No. of Bolt Holes | Bolt Circle Dia. |
|---|---|---|---|---|---|---|
| 1/2" | 88.9 | 11.2 | 30.2 | 47.8 | 4 | 60.5 |
| 3/4" | 98.6 | 12.7 | 38.1 | 52.3 | 4 | 69.9 |
| 1" | 108.0 | 14.2 | 49.3 | 55.6 | 4 | 79.2 |
| 1 1/2" | 127.0 | 17.5 | 65.0 | 62.0 | 4 | 98.6 |
| 2" | 152.4 | 19.1 | 77.7 | 63.5 | 4 | 120.7 |
| 2 1/2" | 177.8 | 22.4 | 90.4 | 69.9 | 4 | 139.7 |
| 3" | 190.5 | 23.9 | 108.0 | 69.9 | 4 | 152.4 |
| 4" | 228.6 | 23.9 | 134.9 | 76.2 | 8 | 190.5 |
| 6" | 279.4 | 25.4 | 192.0 | 88.9 | 8 | 241.3 |
| 8" | 342.9 | 28.4 | 246.1 | 101.6 | 8 | 298.5 |
| 10" | 406.4 | 30.2 | 304.8 | 101.6 | 12 | 362.0 |
| 12" | 482.6 | 31.8 | 365.3 | 114.3 | 12 | 431.8 |
| 16" | 596.9 | 36.6 | 470.0 | 127.0 | 16 | 539.8 |
| 20" | 698.5 | 42.9 | 572.0 | 144.0 | 20 | 635.0 |
| 24" | 812.8 | 47.8 | 673.0 | 152.0 | 20 | 749.3 |
Standard dimensions for Buttweld 90° Elbows, 45° Elbows (Long Radius), and Straight Tees. Dimensions are in millimeters (mm).
| NPS | Outside Dia. at Bevel | 90° Elbow (Center-to-End) | 45° Elbow (Center-to-End) | Tee (Run & Branch C-to-E) |
|---|---|---|---|---|
| 1/2" | 21.3 | 38.1 | 15.7 | 25.4 |
| 3/4" | 26.7 | 38.1 | 19.1 | 28.4 |
| 1" | 33.4 | 38.1 | 22.4 | 38.1 |
| 1 1/2" | 48.3 | 57.2 | 28.4 | 57.2 |
| 2" | 60.3 | 76.2 | 35.1 | 63.5 |
| 2 1/2" | 73.0 | 95.3 | 44.5 | 76.2 |
| 3" | 88.9 | 114.3 | 50.8 | 85.9 |
| 4" | 114.3 | 152.4 | 63.5 | 104.6 |
| 6" | 168.3 | 228.6 | 95.3 | 142.7 |
| 8" | 219.1 | 304.8 | 127.0 | 177.8 |
| 10" | 273.0 | 381.0 | 158.8 | 215.9 |
| 12" | 323.8 | 457.2 | 190.5 | 254.0 |
| 16" | 406.4 | 609.6 | 254.0 | 304.8 |
| 20" | 508.0 | 762.0 | 317.5 | 381.0 |
| 24" | 609.6 | 914.4 | 381.0 | 431.8 |
Standard pipe dimensions and nominal wall thicknesses for Schedule 10s, 40s, and 80s stainless steel pipes, including approximate weight.
| NPS | OD (mm) | Sch 10s Wall (mm) | Sch 40s Wall (mm) | Sch 80s Wall (mm) | Weight Sch 40s (kg/m) |
|---|---|---|---|---|---|
| 1/2" | 21.3 | 2.11 | 2.77 | 3.73 | 1.27 |
| 3/4" | 26.7 | 2.11 | 2.87 | 3.91 | 1.69 |
| 1" | 33.4 | 2.77 | 3.38 | 4.55 | 2.50 |
| 1 1/2" | 48.3 | 2.77 | 3.68 | 5.08 | 4.05 |
| 2" | 60.3 | 2.77 | 3.91 | 5.54 | 5.44 |
| 2 1/2" | 73.0 | 3.05 | 5.16 | 7.01 | 8.63 |
| 3" | 88.9 | 3.05 | 5.49 | 7.62 | 11.29 |
| 4" | 114.3 | 3.05 | 6.02 | 8.56 | 16.07 |
| 6" | 168.3 | 3.40 | 7.11 | 10.97 | 28.26 |
| 8" | 219.1 | 3.76 | 8.18 | 12.70 | 42.55 |
| 10" | 273.0 | 4.19 | 9.27 | 12.70 | 60.29 |
| 12" | 323.8 | 4.57 | 9.53 | 12.70 | 73.88 |
| 16" | 406.4 | 4.78 | 9.53 | 12.70 | 93.27 |
| 20" | 508.0 | 5.54 | 9.53 | 12.70 | 117.15 |
| 24" | 609.6 | 6.35 | 9.53 | 12.70 | 141.12 |
Standard theoretical weight calculation for Stainless Steel plates and sheets per square meter (based on a density of 7.93 g/cm³ for 304/316 grades).
| Thickness (mm) | Standard Gauge (SWG) | Est. Weight (kg / m²) | Typical Standard Size (W x L) |
|---|---|---|---|
| 0.5 | 25 | 3.97 | 1250 mm x 2500 mm |
| 0.8 | 21 | 6.34 | 1250 mm x 2500 mm |
| 1.0 | 19 | 7.93 | 1250 mm x 2500 mm |
| 1.2 | 18 | 9.52 | 1250 mm x 2500 mm |
| 1.5 | 16 | 11.90 | 1500 mm x 3000 mm |
| 2.0 | 14 | 15.86 | 1500 mm x 3000 mm |
| 2.5 | 12 | 19.83 | 1500 mm x 3000 mm |
| 3.0 | 10 | 23.79 | 1500 mm x 3000 mm |
| 4.0 | 8 | 31.72 | 1500 mm x 3000 mm |
| 5.0 | 6 | 39.65 | 1500 mm x 6000 mm |
| 6.0 | 4 | 47.58 | 1500 mm x 6000 mm |
| 8.0 | - | 63.44 | 2000 mm x 6000 mm |
| 10.0 | - | 79.30 | 2000 mm x 6000 mm |
| 12.0 | - | 95.16 | 2000 mm x 6000 mm |
| 16.0 | - | 126.88 | 2000 mm x 6000 mm |
| 20.0 | - | 158.60 | 2000 mm x 6000 mm |
| 25.0 | - | 198.25 | 2000 mm x 6000 mm |
