Rear upright tube - tolerance
I'm trying to source a 5inch, 127mm, tube.
I've found a 130mm tube, would that tube work or should I order a 5inch tube from England?
I would imagine that the wall thickness would be the most important thing ;)
You'll almost certainly be able to make allowances for the extra 3mm OD when you fabricate the jig :)
Just measured a piece of standard UK spec 5" pipe
The wall thickness is 4.9 mm & the oD is 127.5 .... As steel sizes are nominal, I would not be surprised to find a piece of 5" pipe with an OD of 130mm nor as little as 125mm :)
If the wall thickness is there, I would say, go for it.
The wall thickness is 3mm, as per the book?
Has this been changed?
No the book spec for the wall thickness has not been changed :)
If you can get some pipe that has a wall thickness of at least 3mm & the OD is 130mm, that should be ideal for the job
My 5" pipe just happened to be off-cuts from my suppliers standard stock & has a nominal wall thickness of 5mm .... Could have got 5" with a wall thickness of 3.25mm but would have had to buy a full length :eek:
What you have found should be fine & will save the extra cost of obtaining from the UK.
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