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Straight Welded Pipe Line |
Straight Welded Pipe Production Line
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 Introduction
 We can provide customers with whole set straight welded pipe production line including steel strip preparation, forming welding and steel pipe finishing equipment.
We can also undertake turn-key project.
Diameters of welded pipes vary from 1/2" to 12".
Straight welded pipe production lines of 6"~12" adopt F.F. forming system, of which the first four-stands rough forming rollers are basically the same and can apply for all models, thus investment is much lower.
This type of equipment can supply for high stress pipeline production.
Products follow the standards of BS, ASTM, JIS or GB.
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Process Flow
Receiving coil ->
uncoiling ->
leveling the end of strip ->
cross cutting & butt welding ->
strip accumulator ->
leveling ->
rough forming ->
finish forming welding ->
remove the flash ->
water cooling ->
defect inspection ->
sizing ->
length cutting ->
end facing ->
inspection ->
hydrostatic testing ->
store |
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Main Technical Paramenters
Model |
0.5"~1.5" |
1.5"~2.5" |
1"~3" |
1"~4" |
Type |
Tandem Rollers |
Tandem Rollers |
Tandem Rollers |
Tandem Rollers |
Pipe Outside Diameter |
0.5"~1.5" |
1.5"~2.5" |
1"~3" |
1"~4" |
Pipe Wall Thickness(mm) |
0.9~3.5 |
1.5~4.5 |
2~5.5 |
2~6 |
Pipe Length(m) |
5~7 |
5~7 |
5~7 |
6~8 |
Pipe Material (s-Mpa) |
<=350 |
<=350 |
<=350 |
<=350 |
Coil Outside Diameter(mm) |
dia800/1800 |
dia800/1800 |
dia800/1800 |
dia800/1800 |
Coil Inside Diameter(mm) |
dia610 |
dia610 |
dia610 |
dia610 |
coil Width(mm) |
60~160 |
150~250 |
100~290 |
100~360 |
Coil Weight(ton) |
2 |
2 |
2 |
5 |
Strip Forming |
Double Radius |
Double Radius |
Double Radius |
Double Radius |
Welding Forms |
High-frequency Induction |
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Welding Speed(m/min) |
40~80 |
20~60 |
20~60 |
30~60 |
Annual Output(ton) |
12,000 |
16,000 |
16,000 |
34,000 |
Model |
0.5"~1.5" |
1.5"~2.5" |
1"~3" |
1"~4" |
Type |
Tandem Rollers |
Tandem Rollers |
Tandem Rollers |
Tandem Rollers |
Pipe Outside Diameter |
0.5"~1.5" |
1.5"~2.5" |
1"~3" |
1"~4" |
Pipe Wall Thickness(mm) |
0.9~3.5 |
1.5~4.5 |
2~5.5 |
2~6 |
Pipe Length(m) |
5~7 |
5~7 |
5~7 |
6~8 |
Pipe Material (s-Mpa) |
<=350 |
<=350 |
<=350 |
<=350 |
Coil Outside Diameter(mm) |
dia800/1800 |
dia800/1800 |
dia800/1800 |
dia800/1800 |
Coil Inside Diameter(mm) |
dia610 |
dia610 |
dia610 |
dia610 |
coil Width(mm) |
60~160 |
150~250 |
100~290 |
100~360 |
Coil Weight(ton) |
2 |
2 |
2 |
5 |
Strip Forming |
Double Radius |
Double Radius |
Double Radius |
Double Radius |
Welding Forms |
High-frequency Induction |
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Welding Speed(m/min) |
40~80 |
20~60 |
20~60 |
30~60 |
Annual Output(ton) |
12,000 |
16,000 |
16,000 |
34,000 |
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PRODUCTS 
