Schedule 20 Stainless Steel Pipe Supplier
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Steel pipes come in different grades and classes, each designed for specific uses based on their properties and wall thickness. Schedule 20 steel pipes are a good example, known for their corrosion resistance and suitability for low-pressure applications. These pipes are also chemically compatible with various substances.
The wall thickness of Schedule 20 pipes, measured in millimeters, determines their ability to handle pressure. The pressure rating of Schedule 20 pipes indicates the maximum pressure they can withstand without failing. This rating is crucial for understanding the pressure-handling capacity of Schedule 20 steel pipes, ensuring they are used appropriately in different applications.For instance, a Schedule 20 pipe with a 10-inch size has an outer diameter of 0.250 mm and an inner diameter of 28.04 mm, resulting in a Schedule 20 pipe thickness of 28.04 mm. A Schedule 20 pipe with a 22-inch size has an outer diameter of 559 mm and an inner diameter of 0.375 mm, giving it a thickness of 9.53 mm. Additionally, a Schedule 20 pipe with a 36-inch size has an outer diameter of 914 mm and an inner diameter of 12.70 mm, resulting in a thickness of 189.57 mm.
We have been manufacturing Schedule 20 pipes with these dimensions for a long time. These pipes have lighter walls and are commonly used in gravity-fed septic systems, drainage, and stormwater systems. Schedule 20 pipes are compatible with all Schedule 20 fittings and are used in various industries. The different wall thicknesses of Schedule 20 pipes affect their pressure ratings, making them suitable for specific applications based on their thickness.
Dimensions of Schedule 20 Steel Pipe
Nominal size [inches] | Outside diameter [inches] | Outside diameter [mm] | Wall thickness [inches] | Wall thickness [mm] | Weight [lb/ft] | Weight [kg/m] |
---|---|---|---|---|---|---|
8 inches | 8.625 inches | 219.1 mm | 0.250 inches | 6.35 mm | 22.36 lb/ft | 33.31 kg/m |
10 inches | 10.750 inches | 273.0 mm | 0.250 inches | 6.35 mm | 28.04 lb/ft | 41.77 kg/m |
12 inches | 12.750 inches | 323.8 mm | 0.250 inches | 6.35 mm | 33.38 lb/ft | 49.73 kg/m |
14 inches | 14.000 inches | 355.6 mm | 0.312 inches | 7.92 mm | 45.61 lb/ft | 67.90 kg/m |
16 inches | 16.000 inches | 406.4 mm | 0.312 inches | 7.92 mm | 52.27 lb/ft | 77.83 kg/m |
18 inches | 18.000 inches | 457.0 mm | 0.312 inches | 7.92 mm | 58.94 lb/ft | 87.71 kg/m |
20 inches | 20.000 inches | 508.0 mm | 0.375 inches | 9.53 mm | 78.60 lb/ft | 117.15 kg/m |
22 inches | 22.000 inches | 559.0 mm | 0.375 inches | 9.53 mm | 86.61 lb/ft | 129.13 kg/m |
24 inches | 24.000 inches | 610.0 mm | 0.375 inches | 9.53 mm | 94.62 lb/ft | 141.12 kg/m |
26 inches | 26.000 inches | 660.0 mm | 0.500 inches | 12.70 mm | 136.17 lb/ft | 202.72 kg/m |
28 inches | 28.000 inches | 711.0 mm | 0.500 inches | 12.70 mm | 146.85 lb/ft | 218.69 kg/m |
30 inches | 30.000 inches | 762.0 mm | 0.500 inches | 12.70 mm | 157.53 lb/ft | 234.67 kg/m |
32 inches | 32.000 inches | 813.0 mm | 0.500 inches | 12.70 mm | 168.21 lb/ft | 250.64 kg/m |
34 inches | 34.000 inches | 864.0 mm | 0.500 inches | 12.70 mm | 178.89 lb/ft | 266.61 kg/m |
36 inches | 36.000 inches | 914.0 mm | 0.500 inches | 12.70 mm | 189.57 lb/ft | 282.27 kg/m |
Schedule 20 Pipes Pressure Rating
Outer diameter, Inner diameter, & Wall Thickness Dimensions For Given Pipes Sizes | |||
Pipes Size in inch | Schedule 20 Thickness | ||
Outer diameter. | Inner diameter |
Wall Thickness | |
3/4 inch | 1.050 inch | 0.920 inch | 0.065 inch |
1 inch | 1.315 inch | 1.185 inch | 0.065 inch |
1-1/4 inch | 1.660 inch | 1.530 inch | 0.065 inch |
1-1/2 inch | 1.900 inch | 1.770 inch | 0.065 inch |
2 inch | 2.375 inch | 2.245 inch | 0.065 inch |
2-1/2 inch | 2.875 inch | 2.709 inch | 0.083 inch |
3 inch | 3.500 inch | 3.334 inch | 0.083 inch |
3-1/2 inch | 4.000 inch | 3.834 inch | 0.083 inch |
4 inch | 4.500 inch | 4.334 inch | 0.083 inch |
6 inch | 6.625 inch | 6.407 inch | 0.109 inch |
8 inch | 8.625 inch | 8.407 inch | 0.109 inch |
Sizes of SCH 20 Pipes
NPS | 1/2 | 3/4 | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 3½ | 4 |
DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 90 | 100 |
SCH 20 Stainless Steel Pipe Application
Schedule 20 stainless steel pipes are versatile and find use in various industries due to their properties. Here are some common applications
- Plumbing and Water Supply: Used in residential, commercial, and industrial plumbing systems where moderate pressures are involved.
- HVAC Systems: Employed for conveying water, steam, or other fluids in heating and cooling processes.
- Process Piping: Suitable for industries like chemical, pharmaceutical, food and beverage, and petrochemical, where moderate pressures and temperatures are encountered.
- Low-Pressure Systems: Ideal for gravity-fed septic systems, drainage systems, and stormwater management.
- General Industrial Uses: Applied in fluid transportation, gas distribution, and structural support across various industrial sectors.