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8 "
.165"
6
Schedule 40 welded carbon steel pipe (black) is rated at a working pressure of 150 psi. It should be printed on it. Schedule 80 welded is rated at 300 psi. If U want higher rated piping you must use seamless (not welded) pipe. Hope this helps!
I don't think 6 inch pipe is available in schedule 30.
Steel pipe that is schedule 40, means that the steel pipe has a certain amount of threads on it. It also means that it can't be longer than about 10 feet.
What schedule pipe?
The 80 in 80 steel pipe indicates its wall thickness; the higher the number, the thicker the pipe. The pressure rating for a 5" schedule 80 steel pipe at 100 degrees Fahrenheit is 1857 psig.
Wall thickness (Schedule)
Yes and it can be schedule 80 and schedule 120
Hello??? black steel comes in various schedules , schedule 10, 20 40 ,80 ,120 the thicker the wall the higher the pressure the piping can withstand
Bevel inside of sch. 80 to match OD of sch. 40