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Heat treatment of welded joints in Sakhalin-2 transmission gas pipeline
Authors:PM Korol'kov  AV Barabanshchikov
Affiliation:1. Nagrev Company , Moscow, Russia;2. S-Kontrol' Company , Novosibirsk, Russia
Abstract:The conditions of automatic and manual argon-shielded arc welding of VZh171 creep-resisting alloys are determined. The results of the investigations on the technological and mechanical properties and also of the structure of the welded joints are presented.
Keywords:argon-arc welding  welded joints  nitriding  hot cracks  strength  impact ductility
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