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Registration Number

0207U000016, 0105U001727 , R & D reports

Title

Investigation of structural-phase characteristics and means of assurance of highly-tough state of metal of welded joints of gas-oil pipe with preset service properties in arc welding.

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Head

Rybakov Anatoly Aleksandrovich, Кандидат технічних наук

Registration Date

03-01-2007

Organization

E.O.Paton Electric Welding Institute NAS of Ukraine

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Structural-phase characteristics of weld metal of microalloyed pipe steel, guaranteeing its high service characteristics, are defined. Technological means of achievement of high-tough state of metal of pipe welded joints have been developed such as: optimum composition of agglomerated flux was defined for multi-arc welding of pipes, composition of flux-cored wire was developed for 2-, 3- and 4-arc welding of pipes, guaranteeing the microalloying of welds with titanium and boron, process of multi-arc welding of pipes was developed using this flux-cored wire on one of the arcs.

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2020-04-02