Steel is available in various types depending upon the additional elements added to it in trace amounts. Schedule 80 Mild Steel Pipes is one such pipes that has greater wall thickness. It has a higher weight as compared to other schedule pipes and has a smaller inside diameter. However, all the numbers differ depending upon the size of the sch 80 pipes. The chart given below lists the pressure ratings of these pipes. The schedule 80 pipes pressure rating is derived by using a formula with 12500 psi as the allowable stress factor. The values are considered for standard specification and are not to be considered as a guaranteed minimum value.
For instance, ansch 80 pipes dimensions in mm of 25.4 or 1 inch with an outside diameter of 33.4 and weight of 3.24 will have a schedule 80 pipes thickness of 4.55 mm. Whereas a pipes that is 10 inches in size and has an outside diameter of 273 and a wall thickness of 15.09 will weigh 96.01 kg/m as per the ms pipes schedule 80 weight chart. To simplify the calculation process there is a lot of schedules 80 pipes thickness in mm calculators available online. One can also refer to the chart that is given below.
ms seamless pipes schedule 80 chart helps in determining the length, dimensions, wall thickness, and weight of a particular schedule pipes without hassle. These charts also assist in determining the internal diameter of a seamless pipes schedule 80. The internal diameter helps in determining the volume of liquids or gases that can be transferred through the pipes. The ms pipes schedule 80 defines the range of the wall thickness of these pipes along with their weight and outer diameter.
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 inches | 20 inches | 508.0 MM | 0.594 inches | 15.09 MM | 123.11 lb/ft | 183.42 kg/m |
24 inches | 24 inches | 610.0 MM | 0.688 inches | 17.48 MM | 171.29 lb/ft | 255.41 kg/m |
32 inches | 32 inches | 813.0 MM | 0.688 inches | 17.48 MM | 230.08 lb/ft | 342.91 kg/m |
Maximum Allowable Pressure (psig) | ||||||||||
Pipe Size (inches) |
Pipe Schedule | Temperature (oF) | ||||||||
100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||
1/2 Inch | 401) | 3730 | 3730 | 3730 | 3730 | 3730 | 3730 | 3730 | 3581 | 3233 |
802) | 5252 | 5252 | 5252 | 5252 | 5252 | 5252 | 5252 | 5042 | 4552 | |
160 | 6920 | 6920 | 6920 | 6920 | 6920 | 6920 | 6920 | 6643 | 5997 | |
3/4 Inch | 40 | 2447 | 3059 | 3059 | 3059 | 3059 | 3059 | 3059 | 2937 | 2651 |
80 | 4299 | 4299 | 4299 | 4299 | 4299 | 4299 | 4299 | 4127 | 3725 | |
160 | 6393 | 6393 | 6393 | 6393 | 6393 | 6393 | 6393 | 6137 | 5541 | |
1 Inch | 40 | 2857 | 2857 | 2857 | 2857 | 2857 | 2857 | 2857 | 2743 | 2476 |
80 | 3950 | 3950 | 3950 | 3950 | 3950 | 3950 | 3950 | 3792 | 3423 | |
160 | 5757 | 5757 | 5757 | 5757 | 5757 | 5757 | 5757 | 5526 | 4989 | |
1 1/2 Inch | 40 | 2116 | 2116 | 2116 | 2116 | 2116 | 2116 | 2116 | 2032 | 1834 |
80 | 2983 | 2983 | 2983 | 2983 | 2983 | 2983 | 2983 | 2864 | 2585 | |
160 | 4331 | 4331 | 4331 | 4331 | 4331 | 4331 | 4331 | 4157 | 3753 | |
2 Inch | 40 | 1783 | 1783 | 1783 | 1783 | 1783 | 1783 | 1783 | 1712 | 1545 |
80 | 2575 | 2575 | 2575 | 2575 | 2575 | 2575 | 2575 | 2472 | 2232 | |
160 | 4217 | 4217 | 4217 | 4217 | 4217 | 4217 | 4217 | 4049 | 3655 | |
3 Inch | 40 | 1693 | 1693 | 1693 | 1693 | 1693 | 1693 | 1693 | 1625 | 1467 |
80 | 2394 | 2394 | 2394 | 2394 | 2394 | 2394 | 2394 | 2298 | 2074 | |
160 | 3600 | 3600 | 3600 | 3600 | 3600 | 3600 | 3600 | 3456 | 3120 | |
4 Inch | 40 | 1435 | 1435 | 1435 | 1435 | 1435 | 1435 | 1435 | 1378 | 1244 |
80 | 2075 | 2075 | 2075 | 2075 | 2075 | 2075 | 2075 | 1992 | 1798 | |
160 | 3376 | 3376 | 3376 | 3376 | 3376 | 3376 | 3376 | 3241 | 2926 | |
5 Inch | 40 | 1258 | 1258 | 1258 | 1258 | 1258 | 1258 | 1258 | 1208 | 1090 |
80 | 1857 | 1857 | 1857 | 1857 | 1857 | 1857 | 1857 | 1783 | 1610 | |
160 | 3201 | 3201 | 3201 | 3201 | 3201 | 3201 | 3201 | 3073 | 2774 | |
6 Inch | 40 | 1143 | 1143 | 1143 | 1143 | 1143 | 1143 | 1143 | 1098 | 991 |
80 | 1794 | 1794 | 1794 | 1794 | 1794 | 1794 | 1794 | 1722 | 1554 | |
160 | 3083 | 3083 | 3083 | 3083 | 3083 | 3083 | 3083 | 2960 | 2672 | |
8 Inch | 40 | 1006 | 1006 | 1006 | 1006 | 1006 | 1006 | 1006 | 966 | 872 |
80 | 1586 | 1586 | 1586 | 1586 | 1586 | 1586 | 1586 | 1523 | 1375 | |
160 | 2976 | 2976 | 2976 | 2976 | 2976 | 2976 | 2976 | 2857 | 2579 | |
10 Inch | 40 | 913 | 913 | 913 | 913 | 913 | 913 | 913 | 876 | 791 |
80 | 1509 | 1509 | 1509 | 1509 | 1509 | 1509 | 1509 | 1448 | 1308 | |
160 | 2950 | 2950 | 2950 | 2950 | 2950 | 2950 | 2950 | 2832 | 2557 | |
12 Inch | 40 | 855 | 855 | 855 | 855 | 855 | 855 | 855 | 819 | 741 |
NPS | 1/2 | 3/4 | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 3½ | 4 |
DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 90 | 100 |