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630-3220 mm SSAW pipe production mill
DATE：6/10/2019 HIT：678 SOURCE： AUTHOR：
Product Application:
1 Low pressure fluid transfer pipeline, city gas transport, water supply and drainage pipeline;
2 Piling pipe for industrial construction;
3 Pipe for the industrial structure;
4 Pipe for other uses.
Working process of spiral welded pipe mill:
Uncoiling→Unwinding and Straight→Three-roll rough leveling→Vertical roll centering→Cutting and Butt-welding→Five-roll finish leveling→Delivering→ Guiding plate→Forming→Inner welding→Outer welding→Cutting to length→ Pipe running out
Material Parameter
|
Raw material |
Hot rolling steel coil |
|
|
Steel coil O.D. |
Φ1200-Φ2000mm |
|
|
Steel coil I.D. |
Φ508-Φ762mm |
|
|
Steel plate width |
1000-1500mm |
|
|
Steel plate thickness |
6-22mm |
|
|
Material |
Q235B,Q345 |
|
|
Max. Weight |
30t |
|
|
Crescent curved |
<10/10mm/m |
|
Welding Parameter
|
Inner welding machine |
DC-1500 |
|
|
Outer welding machine |
DC-1500, AC-1250 |
|
|
Welding type |
Inner single wire, Outer single submerged arc welding |
|
|
Welding speed |
0.5-2.6m/min |
|
|
Delivering speed |
0.5-3m/min |
|
Product Pipe Parameter:
|
Pipe O.D. |
Φ630-Φ3220mm |
|
|
Pipe wall thickness |
5-22mm |
|
|
Helical angle |
40°-80° |
|
|
Pipe length |
8-18m |
|
Workshop Power Parameter:
|
Rotation |
Right rotate |
|
Voltage |
AC-380/220V |
|
Compressed air |
0.4-0.6Mpa |
|
Main motor installed capacity |
~250KW |