Alpha Pipe Co. is a wholesale supplier of new and used carbon steel line pipe and pipe piling. We offer a variety of new steel pipe and used steel pipe. We supply ERW, DSAW, Straight Seam, Spiralweld steel pipe and Seamless steel pipe, as well as fabricated large OD steel pipe which is rolled & welded from A36 steel plate. Our used steel pipe is structurally reconditioned and is available in various grades. Our new and used carbon steel pipe ranges in size from 2" OD to 144" OD.