weldless tube
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Solid-drawn — Sol id drawn , a. Drawn out from a heated solid bar, as by a process of spiral rolling which first hollows the bar and then expands the cavity by forcing the bar over a pointed mandrel fixed in front of the rolls; said of a weldless tube.… … The Collaborative International Dictionary of English
solid-drawn — | ̷ ̷ ̷ ̷| ̷ ̷ adjective : drawn out from a heated solid bar especially by a process of spiral rolling that first hollows the bar and then expands the cavity by forcing the bar over a pointed mandrel fixed in front of the rolls used of a weldless … Useful english dictionary
Stewarts & Lloyds — was a steel tube manufacturer with its headquarters based at Corby, Northamptonshire, England. The company was created in 1903 by the amalgamation of two of the largest iron and steel makers in Britain, A. J. Stewart Menzies Ltd, Coatbridge,… … Wikipedia