1.4142 will give you the travel piece C-C then you deduct for the fitting
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Measure to the center of the Ell and decuct for the threads ..
If your elbow is a short radius it is 1 times your nominal pipe diameter. If it is a long radius it is 1 1/2 times your nominal pipe diameter.show me the exact pattern of long radius
Elbow is a fitting used to change pipe direction, 45 degrees in this case, LR is referred as "long Radius" ( normally most pipes, unless you ask for SR, short radius). Butt weld refers to welding 2 ends from two separate fittings or pipe. Both ends are beveled (30 degrees is tapered from inside pipe diameter to outside pipe diameter on pipe/fitting connections)
Radius=C=1.5*NPS nps=nominal pipe size
Pipe size times 0.707
The take off formula of a 45 degree elbow pipe, will depend on what the pipe is on. Sometimes a 45 degree pipe will need a 90 degree right angle turn to come off.
15.875 x pipe size=
5/8 x pipe size
this app help you: "Miter Flat Pattern Design" in play.google.com
elbow senter making
Loosen the clamps and use some elbow grease to twist the fitting into the desired position.
.625'' x pipe diameter
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The easiest way is to find the centerline length and multiply that by the linear weight of the pipe size being used. Alternatively, this formula should give the weight of an elbow in pounds: w=0.071*pi^2*R*(ro^2-ri^2) Where: w= weight of elbow (lb) R=curve radius of elbow (in) ro=outside radius of pipe (in) ri=inside radius of pipe (in)
pipe size(inch)x38.1
what is the take out of 6 inches pipe of a socket weld 90 degree elbow