Founded in 1970, Welded Tube of Canada is a cold-formed carbon and HSLA steel tubular producer headquartered in Concord, Ontario. The company operates five manufacturing and finishing facilities in Canada and the United States and reports annual production capacity of 700,000 tons. Its three divisions produce energy tubulars, mechanical ERW tubing, and hollow structural sections.
ISO 9000 Business System Standards
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ISO 9001:2015
API 5CT-1358
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API Q1-2582
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API 5B-0185
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API 5B-0109
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API Q1-2584
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API Q1-2405
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RoHS Compliance
Compliance program
REACH Compliance
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United Tube CorporationFounded in 1937, United Tube Corporation manufactures welded steel tubing at its plant in Medina, Ohio. The company describes a long history in mechanical and structural tubing and says its technicians pioneered high-frequency continuous electric resistance welding. It serves customers across the United States and Canada.MEDINA, OH
Sterling Pipe & TubeSterling Pipe & Tube is a Toledo, Ohio steel-tube manufacturer that has supplied electric-welded steel tubes and pipes to customers since 1987. Its five high-frequency mills and more than 275,000 square feet of manufacturing and warehousing space support production for customers across the United States, Canada, and Mexico.TOLEDO, OH
Welded Tubes, IncOpened by the Lewis family in Orwell in 1958, Welded Tubes has built its identity around more than six decades of precision tube manufacturing and close technical support for OEM customers. The locally rooted company is known for small-diameter, heavy-wall steel tubing, and it became part of Lock Joint Tube in 2020. Welded Tubes is IATF 16949:2016 certified.ORWELL, OH
Bristol Pipe and Tube, IncBristol Pipe and Tube, Inc., based in Bristol, Tennessee, has manufactured welded steel pipe since 1941. It operates a 190,000-square-foot manufacturing facility and makes pipe for projects across major industrial markets around the world.MUNHALL, PA