Schedule 40 Black Steel Pipe Chopper Frame
Schedule 40 Black Steel Pipe Chopper Frame
(OP)
Hey guys, I tripped across this forum looking for information on schedule 40 black steel pipe and the possibilities of using it for a chopper frame. I just can't see spending an arm & leg on the 4130 or DOM material that I'm probably going to mess up anyway. If it is feasible to use, what should I expect in regards to bend & weld characteristics?
I would certainly appreciate any input from those willing to share their knowledge- as you can see I have none...
I'm having a tough time pricing the stuff; just assuming that it is in fact cheaper.
The welder I have is a Hobart 125 amp. Mig with no gas....
Thanks in advance.
gmc
I would certainly appreciate any input from those willing to share their knowledge- as you can see I have none...
I'm having a tough time pricing the stuff; just assuming that it is in fact cheaper.
The welder I have is a Hobart 125 amp. Mig with no gas....
Thanks in advance.
gmc





RE: Schedule 40 Black Steel Pipe Chopper Frame
I would not recommend using carbon steel (black iron)pipe for your motorcycle frame. For safety reasons, the motorcycle frame should be constructed of low alloy steel tubular material that can provide sufficient strength and toughness for the type of stresses that the frame would be exposed to during riding. From what I remember, most motorcycle frames are built using tubular AISI Type 4130 low alloy steel, as a minimum.
AISI type 4130 alloy steel is weldable provided certain precautions are followed. Namely, a preheat and stress relieving.
RE: Schedule 40 Black Steel Pipe Chopper Frame
RE: Schedule 40 Black Steel Pipe Chopper Frame
PS:
After reading GRobert's post I had a bad visual of hitting a pot-hole in the road and the front forks breaking off due to poor weld penetration.....I hope that I don't dream about this tonight when I go to sleep.
Thanks again for your time guys.
gmc