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I can't seem to find the wall thickness for JIS pipes.
Does anyone know where I'd find a JIS pipe chart that gives the different wall thicknesses for different schedules?
Nom 300 and smaller have different O.D.'s than standard metric, which I have on a chart, but the chart does not show ID's.
http://www.diekson-valve.com/e42.htm
Don't know how trustworthy, but worth a look...