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There are three classes of manufactured tubing: seamless, [1] as-welded or electric resistant welded (ERW), and drawn-over-mandrel (DOM). Seamless tubing is produced via extrusion or rotary piercing. Drawn-over-mandrel tubing is made from cold-drawn electrical-resistance-welded tube that is drawn through a die and over a mandrel to create such ...
Motor vehicle assembly plants in Oklahoma (2 P) Pages in category "Manufacturing companies based in Oklahoma" The following 6 pages are in this category, out of 6 total.
The following is a list of companies based in Oklahoma City, Oklahoma. Major companies based in Oklahoma City. Expand Energy - Fortune 500 (163)
Companies headquartered in Tulsa, Oklahoma include, but are not limited to, companies in the city's anchoring economic sectors of energy, aerospace, finance, technology, telecommunications, high tech, and manufacturing. [1] Bloomberg Businessweek ranked Tulsa as having the 7th strongest metro economy, and the 38th best city to live in, in 2012.
Cold welding or contact welding is a solid-state welding process in which joining takes place without fusion or heating at the interface of the two parts to be welded. Unlike in fusion welding, no liquid or molten phase is present in the joint. Cold welding was first recognized as a general materials phenomenon in the 1940s.
For wire, bar, and tube drawing, the starting stock is drawn through a die to reduce its diameter and increase its length. Drawing is usually performed at room temperature, thus classified as a cold working process; however, drawing may also be performed at higher temperatures to hot work large wires, rods, or hollow tubes in order to reduce ...
Transportation companies based in Oklahoma (2 C, 1 P) Pages in category "Companies based in Oklahoma" The following 19 pages are in this category, out of 19 total.
Atlas Tube was founded in 1984 by Harry Zekelman. A majority stake was sold to the Carlyle Group in 2006 for $1.5 billion CND. [2]In 2006–2008, the Carlyle Group purchased John Maneely Co (founded in 1877) for $550 million, [3] then purchased Atlas Tube, and Sharon Tube (founded in 1929), forming them into JMC Steel Group under DBO Holdings.
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