coil weld

coil weld

[′kȯil ‚weld]
(metallurgy)
A butt weld joining the ends of two metal sheets; forms a continuous strip for coiling.
References in periodicals archive ?
Included are 5/16-inch Grade 30 proof coil welded chains--chains that are easily found at hardware stores if they're shot and need to be replaced--powder-coated leg stands, nuts and bolts.
* A 49-gallon split flanged reactor with 1/2 pipe coil welded around the shell, a high efficiency agitation system, and a hydraulic jack to lower half of the reactor for easy cleaning
Also, look for thermometers that have the coil welded into place, as that helps ensure the coil doesn't float inside the stem.