The steel pipe wall thickness series comes from the British metrology unit, and the score is used to express the size. The wall thickness of the seamless pipe is made up of the Schedule series (40, 60, 80, 120) and is connected to the weight series (STD, XS, XXS). These values are converted to millimeters as part of the tube wall thickness series.
ASTM schedule 80 seamless carbon steel pipe characteristic:
High pressure resistance, high precision, cold bending deformation, no crack flattening, no oxide scale, good tensile and impact resistance.
Difference Between SCH 40 pipe and SCH 80 pipe
Pipes with Schedule 40 come with standard weight, and pipes with schedule 80 come with extra strength. The materials used for making Schedule 40 and Schedule 80 come from the same material.
Schedule 80 pipes have a thicker wall than Schedule 40 pipes. As such, Schedule 80 pipes are stronger than Schedule 40 pipes. Though both pipes are used in construction work, Schedule 40 is used more often. But if a stronger pipe was needed, then the engineers would go for Schedule 80 pipes. Schedule 80 pipes are used where the pipes have to be exposed. But if there is no need for any extra strength, Schedule 40 pipes are sufficient.
Schedule 80 steel pipe dimensions in mm
ASTM schedule 80 seamless carbon steel pipe characteristic:
High pressure resistance, high precision, cold bending deformation, no crack flattening, no oxide scale, good tensile and impact resistance.
Difference Between SCH 40 pipe and SCH 80 pipe
Pipes with Schedule 40 come with standard weight, and pipes with schedule 80 come with extra strength. The materials used for making Schedule 40 and Schedule 80 come from the same material.
Schedule 80 pipes have a thicker wall than Schedule 40 pipes. As such, Schedule 80 pipes are stronger than Schedule 40 pipes. Though both pipes are used in construction work, Schedule 40 is used more often. But if a stronger pipe was needed, then the engineers would go for Schedule 80 pipes. Schedule 80 pipes are used where the pipes have to be exposed. But if there is no need for any extra strength, Schedule 40 pipes are sufficient.
Schedule 80 steel pipe dimensions in mm
| 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 |
