Mechanical and metallurgical properties of pipeline steel manual arc welds dependent on cellulosic electrode coating
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Cem S. Cetinarslan
Abstract
Spiral welded pipes of 1016 mm diameter and 8.80 mm thickness, made of St 44.2 (DIN 17100) structural steel and commonly used for drinking water pipelines were joined via coated electrodes through manual arc welding. In the welding process, cellulosic electrodes of three different brands were used, after which non-destructive and destructive testing methods and metallurgical probing were carried out for the parts joined. In this study, welding metal, fusion lines, heat affected zones and base material micro structural variations were experimentally investigated as well as tensile, hardness and bending tests according to electrode brands used for welded parts and interpreted through existing literature on the subject.
Kurzfassung
Für die diesem Beitrag zugrunde liegende Studie wurden Rohre mit einem Durchmesser von 1016 mm und einer Wanddicke von 8.80 mm aus dem Stahl St 44.2 (DIN 17100), wie sie üblicherweise für Trinkwasserleitungen verwandt werden, mittels des Lichtbogenhandverfahrens unter Verwendung umhüllter Elektroden spiralgeschweißt. Hierzu wurden Cellulose-Elektroden von drei verschiedenen Herstellern verwandt und anschließend sowohl zerstörungsfreie als auch zerstörende Prüfungen und metallurgische Untersuchungen der Schweißverbindungen durchgeführt. In der zugrundeliegenden Studie wurden Zug- und Biegeversuche, Härtemessungen durchgeführt sowie die mikrostrukturellen Veränderungen im Schweißgut, an der Schmelzlinie, in der Wärmeeinflusszone und im Grundwerkstoff entsprechend der verschiedenen Elektroden untersucht und im Vergleich mit der Literatur interpretiert.
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© 2018, Carl Hanser Verlag, München
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Artikel in diesem Heft
- Mechanical and metallurgical properties of pipeline steel manual arc welds dependent on cellulosic electrode coating
- Titelei
- Fracture mechanics testing and crack growth simulation of highly ductile austenitic steel
- In situ analysis utilizing electrical resistance measurements when brazing cemented carbides
- Improved methods to determine the elastic modulus and area reduction rate in spherical indentation tests
- Specific crack enthalpy as material characterization parameter
- Properties and optimization of friction stir spot welded aluminum alloy 3003-H14
- Mechanical properties of PE/E-glass commingled yarn wound pipes and pipe elbows
- Hysteretic behavior of traditional Chinese timber frames under cyclic lateral loads
- Radiographic inspection of AISI 420 steel friction welds
- Stress distribution in a femoral implant with and without bone cement and at different inclination angles
- Mechanical and metallurgical properties of pipeline steel manual arc welds dependent on cellulosic electrode coating
- Mechanical behavior of mode-l crack propagation between composite adhesive joints
- Optimization of germanium enrichment from waste optical fibers: A validation experiment using a hybrid approach
- Effect of ball-burnishing parameters on surface roughness and surface hardness of aluminum alloy 6013
- Effect of preload moment on the strength of mechanically fastened joints in woven glass epoxy prepregs
- Synthesis, growth and characterization of a glycine potassium dichromate (GPDC) single crystal
- BEZUGSQUELLEN
