Schedule 20 Steel Pipe


Dimension and wall thickness


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    SCH 20 Steel Pipe, sch 20 steel pipe dimensions, schedule 20 pipe thickness in mm, schedule 20 pipe thickness in inches, schedule 20 stainless steel pipe, sch 20 stainless steel pipe dimensions, schedule 20 steel pipe pressure rating, weight of gi pipe schedule 20, Schedule 20 Steel Pipe Supplier & Exporter, sch 20 steel pipe Manufacturer

    The ASME/ANSI B36.10 standard includes the standard sizes for SCH 20 pipes. Steel pipes are classified into various grades and classes based on their properties and wall thickness. Schedule 20 steel pipes are known for their resistance to corrosion, chemical compatibility, and ability to work under low pressure. The thickness of the schedule 20 pipes, measured in mm, determines their pressure handling capacity, and a schedule 20 pipes pressure rating is assigned to help determine the appropriate applications for these pipes.

    Steel pipes are available in various grades and classes, with each grade representing specific properties and each class determined by the thickness of the pipe’s wall. Schedule 20 Steel Pipes is one such type of pipe that provides resistance to corrosion and is suitable for low-pressure applications. These pipes also offer excellent chemical compatibility. The thickness of the schedule 20 pipes in mm determines the amount of pressure they can handle, with the schedule 20 pipes pressure rating serving as an indicator of their pressure handling capacity.
    For example, a 10-inch schedule 20 pipe with an outer diameter of 250 mm and an inner diameter of 28.04 mm will have a schedule 20 pipes thickness in mm of 110.98 mm. Similarly, a 22-inch schedule 20 pipe with an outer diameter of 559 mm and an inner diameter of 375 mm will have a schedule 20 pipes thickness of 9.53 mm. Furthermore, a 36-inch schedule 20 pipe with an outer diameter of 914 mm and an inner diameter of 12.70 mm will have a schedule 20 pipes thickness of 189.57 mm.
    We have been manufacturing schedule pipes with a thickness of 20 mm for a considerable amount of time. The lighter wall of these schedule pipes makes them suitable for use in gravity-fed septic systems, drainage, and stormwater systems. Our schedule 20 pipes are compatible with all schedule 20 fittings and are used in various industries. The difference in wall thickness affects the pressure rating of these pipes.

    Schedule 20 Steel Pipe Dimensions

    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 2 3 4
    DN 15 20 25 32 40 50 65 80 90 100
    Where To Use Schedule 20S Steel Pipe?
    Schedule 20s steel pipes are categorized as one of the lowest classes of steel pipes due to their very low schedule class. They are commonly used in applications where low pressure and temperature are expected, with limited stress on the piping grade. These pipes are known for their high ductility and ease of handling, making them suitable for stress-free industrial and domestic applications.
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