Quote:
Originally Posted by GB SISSON
The crane is made out of that size with an OD of 3 1/2". I need pipe that's got an ID of 3 1/2 and perhaps 4" OD. This becomes a socket that's bolted or welded to the bumper that the crane pivots in at the base. I suppose I could also find something that fits the ID of the crane's post and create a stud for it to drop onto. No rain gets in that way as well.
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Here's a table of pipe sizes. Schedule 40 is what you're likely to find in a local vendor. Schedule 80 is for higher pressures and other arduous demands. Schedule 80 would more likely to be found in industrial type places.
Additionally, tubing should be able to be found in just about any combination of OD/ID and wall thickness. These sizes would be most likely found from an industrial supplier.