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¡úUnwinding and Straight¡úThree-roll rough leveling¡úVertical roll centering¡úCutting and Butt-welding¡úFive-roll finish leveling¡úDelivering¡ú Guiding plate¡úForming¡úInner welding¡úOuter welding¡úCutting to length¡ú Pipe running out
Material Parameter
|
Raw material |
Hot rolling steel coil |
|
|
Steel coil O.D. |
¦µ1200-¦µ2000mm |
|
|
Steel coil I.D. |
¦µ508-¦µ762mm |
|
|
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. |
¦µ630-¦µ3220mm |
|
|
Pipe wall thickness |
5-22mm |
|
|
Helical angle |
40¡ã-80¡ã |
|
|
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 |
