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New stainless steel gate valves launched by Edwards

โœ Scribed by JT Cole


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
330 KB
Volume
39
Category
Article
ISSN
0042-207X

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A new Technique named as "parallel heat welding"(PHW) is developed for the reduction of residual stress. It is performed by a pair of parallel heating torches attached to the welding torch on both sides as a movable heat source during welding. Autogenous gas tungsten arc welding process was used in