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Schedule 80 seamless steel pipe

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 and SCH 80 Steel 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

 

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