مشخصات فایل:
پاورپوینت بررسی جامع جوشکاری فلزات به زبان انگلیسی
قالب بندی: پاورپوینت ( قابل ویرایش )
تعداد اسلاید: 63

بخشی از پاورپوینت:

Pipe Types
Two types:
Seamless Pipe
Welded Pipe: (Single or Double Seam)
- Longitudinal Seam
- Helical Seam
API Pipes Categories
SMYS < 4200 psi
42000 psi < SMYS < 65000 psi
65000 psi < SMYS
OR : CE% differences larger than 0.04%
Pipe welding position
Position:
Flat
Horizontal
Vertical
Overhead
Position:
1G  for pipe
Pipe rotated, Electrode is always at the top
Either a split bead or weave technique may be used
Position:
2G for pipe
Pipe Axis Vertical, Weld is Horizontal, Pipe is considered in a “fixed” position.
Always use a split bead technique
Always 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 split bead technique is best used.
Position:
1F for pipe 
Pipe is rotated. The pipe axis is at a 45 degree incline. Welding is to occur at the top of the pipe.
Split bead or weave technique may be used.
Position:
2F for pipe
Fixed Position
Best to use a split bead technique
Position:
FR for pipe
Rotated
A split bead technique is best used.




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