ERW Pipe » California Steel Industries
CSI's pipe operation is ISO 9001:2015 certified, and API Q1 certified (5CT-0361 and 5L-0279). To purchase CSI's ERW pipe products, or for more about our ERW pipe products, please contact our Sales Department. (see CSI Sales Support). View a list of features and specifications. View a detailed description of the Pipe Mill Lines and their processes
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