پاورپوینت بررسی جامع جوشکاری فلزات به زبان انگلیسی

دانـلـود پاورپوینت مهندسی مواد بـا عـنـوان، بررسی جامع جوشکاری فلزات به زبان انگلیسی بخشی از متـنِ ایـن پاورپوینت : Pipe TypesTwo types:Seamless PipeWelded Pipe: (Single or Double Seam)- Longitudinal Seam- Helical SeamAPI Pipes CategoriesSMYS < 4200 psi42000 psi < SMYS < 65000 psi65000 psi < SMYSOR : CE% differences larger than 0.04%Pipe welding position Position:FlatHorizontalVerticalOverhead Position:1G  for pipe Pipe rotated, Electrode is always at the topEither a split bead or weave technique may be usedPosition:2G for pipe Pipe Axis Vertical, Weld is Horizontal, Pipe is considered in a “fixed” position.Always use a split bead techniqueAlways work from the bottom up.Position:5G for pipe Axis of the Pipe is Horizontal, The weld in vertical.Progression may be up or down.A weave bead is best used.Position:6G for pipe Pipe axis is fixed in position at a 45 degree incline. The position includes flat, horizontal, vertical, and overhead welds.A spl …