Industrial Goods and Services Fluid and Gas Control Valves, Hoses, Fittings Hoses, Pipes, TubingMichigan Seamless Tube Michigan Seamless Tube (MSTube) is a highly specialized manufacturer of cold drawn carbon and alloy seamless mechanical tubing, alloy pressure pipe and tubing, carbon and alloy boiler tube, and carbon and alloy heat exchanger tubing and condenser tube. We produce all of these items in carbon, alloy and chrome alloy steel grades. We are the exclusive U.S. producer of T9, P9, T91, P91 and 13 Chrome tubular goods. Our size range is from .750" O.D. (19.05mm) through 5" O.D. (127mm
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