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CGA C-3-2019
Standards for Welding on Thin-Walled, Steel Cylinders - 8th edition
The Compressed Gas Association, Inc. (CGA) has established this standard to promote uniformity and serviceability of compressed gas containers produced under the specifications of the U.S. Department of Transportation (DOT) and Transport Canada (TC) for the manufacturers of welded steel compressed gas containers and for the inspectors who may be called upon to qualify welding on such containers.
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Compressed Gas Association, Inc. [cga]