How do you select the appropriate size and thickness of a stainless steel pipe bend for a specific piping application?
Material | Sizes | Types |
---|---|---|
Stainless steel |
|
|
Ends | Value Added Services | Surface |
Bevel End / Buttweld |
|
|
Bends Radii | Test Certificates | Wall thickness |
75 / 100 / 250 / 300 / 500 / 800 / 1,000 / 1,500 mm |
|
SCH 5 to SCH XXS |
Radii | Delivery Time | Bending methods |
1.5d / 2.5d / 3d / 4d / 5d / 6d / 7d | 7-14 days |
|
What are some common issues that can arise during the installation or use of SS long radius bends, such as leaks or corrosion, and how can they be addressed?
To address these issues, follow best practices for the design, installation and maintenance of ss short radius bends. This includes selecting the appropriate materials and thicknesses, using proper welding procedures and inspection techniques, and ensuring proper installation and sealing- regular inspection and maintenance can help.
Stainless Steel Pipe Bend
Steel bend pipe
Stainless steel steam pipe bends
Stainless steel tube bends
Stainless steel long radius bends
Stainless steel mandrel bend
Nominal Size | Center to End | Center to Center | Back to Face | |||||
---|---|---|---|---|---|---|---|---|
90°Bend | 45°Bend | 180°Returns | ||||||
DN | NPS | OD | A | B | O | K | ||
3D | 3D | LR | SR | LR | SR | |||
15 | 1/2 | 21.3 | 76 | 48 | ||||
20 | 3/4 | 26.7 | 57 | 24 | 76 | 51 | ||
25 | 1 | 33.4 | 76 | 31 | 76 | 51 | 56 | 41 |
32 | 1 1/4 | 42.2 | 95 | 39 | 95 | 64 | 70 | 52 |
40 | 1 1/2 | 48.3 | 114 | 47 | 114 | 76 | 83 | 62 |
50 | 2 | 60.3 | 152 | 63 | 152 | 102 | 106 | 81 |
65 | 2 1/2 | 73 | 190 | 79 | 190 | 127 | 132 | 100 |
80 | 3 | 88.9 | 229 | 95 | 229 | 152 | 159 | 121 |
90 | 3 1/2 | 101.6 | 267 | 111 | 267 | 178 | 184 | 140 |
100 | 4 | 114.3 | 305 | 127 | 305 | 203 | 210 | 159 |
125 | 5 | 141.3 | 381 | 157 | 381 | 254 | 262 | 197 |
150 | 6 | 168.3 | 457 | 189 | 457 | 305 | 313 | 237 |
200 | 8 | 219.1 | 610 | 252 | 610 | 406 | 414 | 313 |
250 | 10 | 273 | 762 | 316 | 762 | 508 | 518 | 391 |
300 | 12 | 323.8 | 914 | 378 | 914 | 609 | 619 | 467 |
350 | 14 | 355.6 | 1067 | 441 | 1067 | 711 | 711 | 533 |
400 | 16 | 406.4 | 1219 | 505 | 1219 | 813 | 813 | 610 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
---|---|---|---|---|---|---|---|---|---|
304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | - | 8 – 11 | - |
316 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 - 18.00 | 2.00 - 3.00 | 11.00 - 14.00 | 67.845 min |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
---|---|---|---|---|
8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Weight formula for SS pipe bends is as below:
0.0433 x (D-T) x T x R x θ / 100000 + L
Where,
Standard pipes | Spec | . Bauart 5 | 2,5D | |
---|---|---|---|---|
DN | Diameter [ØD] | CLR | CLR | CLR |
20 | 26,9 | 110 | 67 | |
25 | 33,7 | 110 | 84 | |
32 | 42,4 | 110 | 106 | |
40 | 48,3 | 110 | 212 | |
50 | 60,3 | 125 | 151 | |
65 | 76,1 | 175 | 190 | |
80 | 88,9 | 205 | 222 | |
100 | 114,3 | 270 | 286 | |
125 | 139,7 | 330 | 350 | |
150 | 168,3 | 390 | 421 | |
200 | 219,1 | 510 | ||
250 | 273 | 650 | ||
300 | 323,9 | 775 | ||
350 | 355,6 | 850 | ||
400 | 406,4 | 970 | ||
500 | 508 | 1245 |
How do you inspect and test stainless steel mandrel bend for compliance with industry standards and specifications?
How do 45 degree stainless bend contribute to the overall safety and compliance of a piping system?
What are some best practices for installing Stainless steel 90 degree pipe bend?
How do you calculate the pressure drop or flow rate through a 4 inch stainless steel pipe bends?
The pressure drop and flow rate through 4 inch stainless steel pipe bends can be calculated using the Darcy-Weisbach equation or the Colebrook equation- they include several parameters like the diameter of the pipe, the fluid density and viscosity, the velocity of the fluid and the roughness of the pipe.