Schedule 30 Steel Pipe Supplier
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Steel pipes come in various international grades and schedules, each defining their physical properties. Schedule 30 Steel Pipes are designed for low-pressure applications, offering a balance of strength and weight. These pipes are used in scenarios where only mild working pressures are required.The weight of Schedule 30 pipes varies between 0.32 kg and 351.7 kg per meter, depending on their dimensions, which range from 1.8 inches to 36 inches. The wall thickness of these pipes is specifically defined by their schedule, ensuring they meet the necessary standards for their intended use.
According to the sch 30 pipe chart, a 3-inch pipe with an outside diameter of 88.9 mm and a wall thickness of 4.78 mm weighs 9.92 kg/m. In contrast, a 10-inch pipe with an outer diameter of 273 mm and a wall thickness of 7.8 mm weighs 51.03 kg/m. The pressure rating of Sch 30 pipes is determined by the combination of their wall thickness and diameter, with thicker walls and smaller diameters generally supporting higher pressure ratings.
Schedule 30 steel pipes are designed for medium to low pressure applications. Although they have lower impact strength compared to higher schedule pipes, they are valued for their durability and are widely used in transferring water and gas. These pipes are also commonly employed in underground piping systems for towns and cities.
Dimensions of Schedule 30 Steel Pipe
| Nominal size [inches] | Outside diameter [inches] | Outside diameter [mm] | Wall thickness [inches] | Wall thickness [mm] | Weight [lb/ft] | Weight [kg/m] |
|---|---|---|---|---|---|---|
| 1/8 inches | 0.405 inches | 10.3 MM | 0.068 inches | 1.73 MM | 0.24 lb/ft | 0.37 kg/m |
| 1/4 inches | 0.540 inches | 13.7 MM | 0.088 inches | 2.24 MM | 0.42 lb/ft | 0.84 kg/m |
| 1/2 inches | 0.840 inches | 21.3 MM | 0.109 inches | 2.77 MM | 0.85 lb/ft | 1.27 kg/m |
| 3/4 inches | 1.050 inches | 26.7 MM | 0.113 inches | 2.87 MM | 1.13 lb/ft | 1.69 kg/m |
| 1 inches | 1.315 inches | 33.4 MM | 0.133 inches | 3.38 MM | 1.68 lb/ft | 2.50 kg/m |
| 1 1/4 inches | 1.660 inches | 42.2 MM | 0.140 inches | 3.56 MM | 2.27 lb/ft | 3.39 kg/m |
| 1 1/2 inches | 1.900 inches | 48.3 MM | 0.145 inches | 3.68 MM | 2.72 lb/ft | 4.05 kg/m |
| 2 inches | 2.375 inches | 60.3 MM | 0.154 inches | 3.91 MM | 3.65 lb/ft | 5.44 kg/m |
| 2 1/2 inches | 2.875 inches | 73.0 MM | 0.203 inches | 5.16 MM | 5.79 lb/ft | 8.63 kg/m |
| 3 inches | 3.500 inches | 88.9 MM | 0.216 inches | 5.49 MM | 7.58 lb/ft | 11.29 kg/m |
| 3 1/2 inches | 4.000 inches | 101.6 MM | 0.226 inches | 5.74 MM | 9.11 lb/ft | 13.57 kg/m |
| 4 inches | 4.500 inches | 114.3 MM | 0.237 inches | 6.02 MM | 10.79 lb/ft | 16.07 kg/m |
| 5 inches | 5.563 inches | 141.3 MM | 0.258 inches | 6.55 MM | 14.62 lb/ft | 21.77 kg/m |
| 6 inches | 6.625 inches | 168.3 MM | 0.280 inches | 7.11 MM | 18.97 lb/ft | 28.26 kg/m |
| 8 inches | 8.625 inches | 219.1 MM | 0.322 inches | 8.18 MM | 28.55 lb/ft | 42.55 kg/m |
| 10 inches | 10.750 inches | 273.0 MM | 0.365 inches | 9.27 MM | 40.48 lb/ft | 60.31 kg/m |
| 12 inches | 12.750 inches | 323.8 MM | 0.406 inches | 10.31 MM | 53.52 lb/ft | 79.73 kg/m |
| 14 inches | 14 inches | 355.6 MM | 0.375 inches | 11.13 MM | 54.57 lb/ft | 94.55 kg/m |
| 16 inches | 16 inches | 406.4 MM | 0.500 inches | 12.70 MM | 82.77 lb/ft | 123.30 kg/m |
| 18 inches | 18 inches | 457.0 MM | 0.562 inches | 14.27 MM | 104.67 lb/ft | 155.80 kg/m |
| 20 inch | 20 inch | 508.0 MM | 0.594 inch | 15.09 MM | 123.11 lb/ft | 183.42 kg/m |
| 24 inch | 24 inch | 610.0 MM | 0.688 inch | 17.48 MM | 171.29 lb/ft | 255.41 kg/m |
| 32 inch | 32 inch | 813.0 MM | 0.688 inch | 17.48 MM | 230.08 lb/ft | 342.91 kg/m |
Schedule 30 Pipes Pressure Rating
| Maximum Allowable Pressure (psi) (kPa) | ||
|---|---|---|
| NPS | Outside Diameter | Schedule |
| (in) | (in) (mm) |
30 |
| 1/4 | 0.54 13.7 |
|
| 3/8 | 0.675 17.1 |
|
| 1/2 | 0.84 21.3 |
|
| 3/4 | 1.05 26.7 |
|
| 1 | 1.315 33.4 |
|
| 1 1/4 | 1.66 42.2 |
|
| 1 1/2 | 1.9 48.3 |
|
| 2 | 2.375 60.3 |
|
| 2 1/2 | 2.875 73 |
|
| 3 | 3.5 88.9 |
|
| 3 1/2 | 4 102 |
|
| 4 | 4.5 114 |
|
| 5 | 5.563 141 |
|
| 6 | 6.625 168 |
|
| 8 | 8.625 219 |
1420 9791 |
| 10 | 10.75 273 |
1140 7860 |
| 12 | 12.75 324 |
961 6626 |
| 14 | 14 356 |
1092 7529 |
| 16 | 16 406 |
956 6592 |
| 18 | 18 457 |
849 5854 |
| 20 | 20 508 |
919 6337 |
| 22 | 22 559 |
835 5757 |
| 24 | 24 610 |
766 5282 |
| 30 | 30 762 |
817 5633 |
| 32 | 32 813 |
766 5282 |
| 34 | 34 864 |
721 4971 |
| 36 | 36 914 |
681 4695 |
| 42 | 42 1067 |
583 4020 |
Schedule 30 Steel Pipes Size Chart
| 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 30 Stainless Steel Pipe Applications
Chemical and Petrochemical Industry: SCH 30 stainless steel pipes are ideal for handling corrosive fluids and chemicals. They are used in chemical processing plants, refineries, and petrochemical facilities for transporting substances like acids and alkalis.
Food and Beverage Industry: These pipes are preferred for their hygienic properties and corrosion resistance. They are used to convey food-grade liquids such as milk, juices, and edible oils.
Water and Wastewater Treatment: SCH 30 stainless steel pipes are employed in water treatment plants for distributing potable water and transporting wastewater. Their durability and resistance to corrosion make them suitable for these applications.
Pharmaceutical Industry: In pharmaceutical manufacturing, particularly in cleanroom environments, SCH 30 pipes are used for transporting pharmaceutical liquids, chemicals, and gas, ensuring sanitary conditions.
Construction and Architecture: These pipes are used in architectural structures like bridges, building facades, and railings. Their strength and corrosion resistance make them suitable for both structural and decorative purposes.
Oil and Gas Industry: SCH 30 stainless steel pipes are utilized in offshore platforms, pipelines, and refineries. They offer excellent resistance to corrosive environments, making them ideal for transporting oil, gas, and other hydrocarbons.
Power Generation: Used in power plants for steam and condensate systems, SCH 30 pipes withstand high temperatures, pressure, and corrosive conditions, making them suitable for thermal and nuclear power plants.
Automotive Industry: In the automotive sector, these pipes are found in exhaust systems, where they resist high temperatures and corrosive gas.
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