RU94023011A - METHOD FOR PERFORMING WELDED JOINT OF METAL PRODUCTS WITH PROTECTIVE COATING - Google Patents

METHOD FOR PERFORMING WELDED JOINT OF METAL PRODUCTS WITH PROTECTIVE COATING

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Publication number
RU94023011A
RU94023011A RU94023011/06A RU94023011A RU94023011A RU 94023011 A RU94023011 A RU 94023011A RU 94023011/06 A RU94023011/06 A RU 94023011/06A RU 94023011 A RU94023011 A RU 94023011A RU 94023011 A RU94023011 A RU 94023011A
Authority
RU
Russia
Prior art keywords
protective coating
products
end surfaces
welding
weld
Prior art date
Application number
RU94023011/06A
Other languages
Russian (ru)
Other versions
RU2088834C1 (en
Inventor
С.К. Просвирова
С.С. Заневский
М.А. Гордиенко
Е.И. Гординский
В.Г. Филиппов
Original Assignee
Пермский научно-исследовательский и проектный институт нефтяной промышленности
Filing date
Publication date
Application filed by Пермский научно-исследовательский и проектный институт нефтяной промышленности filed Critical Пермский научно-исследовательский и проектный институт нефтяной промышленности
Priority to RU94023011A priority Critical patent/RU2088834C1/en
Priority claimed from RU94023011A external-priority patent/RU2088834C1/en
Application granted granted Critical
Publication of RU2088834C1 publication Critical patent/RU2088834C1/en
Publication of RU94023011A publication Critical patent/RU94023011A/en

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Claims (1)

Способ выполнения сварного соединения металлических изделий с защитным покрытием на их поверхности, включающий очистку поверхности изделия, подготовку предназначаемых к сварке торцевых поверхностей изделий путем нанесения на них участвующего в образовании сварного шва материала, нанесение самофлюсующегося сплава на обращенные к шву концевые поверхности изделий со стороны защитного покрытия на длину, превышающую зону термического воздействия сварки, последующее нанесение защитного покрытия на поверхность изделия и выполнение сварного шва между подготовленными к сварке торцевыми поверхностями соединяемых изделий, отличающийся тем, что нанесение на торцевые поверхности изделий участвующего в образовании сварного шва материала и нанесение на обращенные к шву концевые поверхности изделий со стороны нанесения защитного покрытия самофлюсующегося сплава производят последовательно, а в качестве участвующего в образовании сварного шва материала используют коррозионно-стойкую сталь, которую на предназначенную к сварке торцевую поверхность изделия наносят в виде сплошного валика толщиной и шириной не менее 2,5 мм.A method of performing a welded connection of metal products with a protective coating on their surface, including cleaning the surface of the product, preparing the end surfaces of the products to be welded by applying the material involved in the formation of the weld, applying a self-fluxing alloy to the end surfaces of the products facing the seam from the protective coating side for a length exceeding the heat-affected zone of welding, the subsequent application of a protective coating on the surface of the product and welding weld between the end surfaces of the joined products prepared for welding, characterized in that the material involved in the formation of the weld seam is applied to the end surfaces of the products and the end surfaces of the products facing the seam are applied from the side of the protective coating of the self-fluxing alloy, and as a part the formation of a weld of the material using corrosion-resistant steel, which is applied to welding the end surface of the product is applied in the form of horse roller with a thickness and width of at least 2.5 mm.
RU94023011A 1994-06-15 1994-06-15 Method of welding metal article with protective coat RU2088834C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94023011A RU2088834C1 (en) 1994-06-15 1994-06-15 Method of welding metal article with protective coat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94023011A RU2088834C1 (en) 1994-06-15 1994-06-15 Method of welding metal article with protective coat

Publications (2)

Publication Number Publication Date
RU2088834C1 RU2088834C1 (en) 1997-08-27
RU94023011A true RU94023011A (en) 1997-12-20

Family

ID=20157343

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94023011A RU2088834C1 (en) 1994-06-15 1994-06-15 Method of welding metal article with protective coat

Country Status (1)

Country Link
RU (1) RU2088834C1 (en)

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