Pipe Elbows
8in Schedule 80 pipe (8.63in OD x 0.500) rolled to a 32 inch center-line radius.
1.5 OD stainless pipe 14ga wall with a 5.25in inside radius.
An "elbow" is defined as a length of pipe with a sharp bend in it. Most commonly elbows have a 90 degree bend, but they could have bends larger or smaller than that and still be referred to as "elbows."
Elbows can be made out of metal, plastic or other materials. Metal elbows are sometimes cast or formed through a variety of processes. The discussion here will be limited to forming elbows by steel pipe bending of a straight piece of pipe.
Capacity to For Pipe Elbows
Chicago Metal Rolled Products can bend pipe from 3/8in OD to 6in OD through the rotary draw pipe bending process. Bends as tight as having a center-line radius of only two times the outside diameter of the pipe (a "2D" bend) can be done with no distortion. The company has over 600 die sets that match the OD of the pipe to be bent and the desired radius. Consequently, Chicago Metal almost never has to ask its customers for a tooling charge.
The company can bend from 3/8in OD to 24in OD pipe and tubing through the three-roll bending process. It operates one of the largest pipe bending machines in the country and has the tooling to perform steel pipe bending of 24in, 20in, 18in, 16in, 14in, 12in, 10in, and 8in pipe as well as all the smaller sizes of pipe.
Pipe Elbows: Value-Added Services
In addition to bending pipe for elbows, the company can drill, flare, cope, and do other ancillary operations. For one customer, Chicago Metal bends aluminum pipe elbows, power washes the bent sections, and stacks the parts on green lumber because the elbows will be heat treated.
Pipe Elbow Applications
Applications include process piping, bollards, and ductwork, as well as component parts of equipment and machinery. Chicago Metal has produced pipe elbows to transport water to put out oil well fires during both Iraq wars.
Reference: http://www.cmrp.com/Pipe-Elbows.html
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