The ZTZG frame-opening direct square forming tube making machine, a fully roller-share tube-making line, is a welded pipe production process developed for producing small to medium-sized square tubes (40-150 square meters).
The rollers are connected to the frame via flanges. Moving the frame changes the relative position of the rollers. Switching between different product specifications is achieved by adjusting the opening and closing of the frame via a motor and reducer.
Therefore, production specifications can be switched without changing the rollers.
The ZTZG frame-opening direct square forming tube making machine, a fully roller-share tube-making line, features an improved process structure that makes the machine unit more compact and stable, reduces roller costs, and improves production efficiency. Mechanized adjustments also result in higher precision finished tubes.
The ZTZG frame-opening direct square forming roller-share welded pipe production line has been widely used by numerous tube manufacturers and has received high praise from users. If you are also a manufacturer producing small to medium-sized square tubes in multiple specifications in small batches, you are welcome to visit and consult with us.
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ERW TUBE MILL LINE |
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Model |
Round pipe mm |
Square pipe mm |
Thickness mm |
Working spead m/min |
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ERW20 |
Ф8-Ф20 |
6x6-15×15 |
0.3-1.5 |
120 |
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ERW32 |
Ф10-Ф32 |
10×10-25×25 |
0.5-2.0 |
120 |
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ERW50 |
Ф20-Ф50 |
15×15-40×40 |
0.8-3.0 |
120 |
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ERW76 |
Ф32-Ф76 |
25×25-60×60 |
1.2-4.0 |
120 |
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ERW89 |
Ф42-Ф89 |
35×35-70×70 |
1.5-4.5 |
110 |
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ERW114 |
Ф48-Ф114 |
40×40-90×90 |
1.5-4.5 |
65 |
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ERW140 |
Ф60-Ф140 |
50×50-110×110 |
2.0-5.0 |
60 |
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ERW165 |
Ф76-Ф165 |
60×60-130×130 |
2.0-6.0 |
50 |
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ERW219 |
Ф89-Ф219 |
70×70-170×170 |
2.0-8.0 |
50 |
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ERW273 |
Ф114-Ф273 |
90×90-210×210 |
3.0-10.0 |
45 |
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ERW325 |
Ф140-Ф325 |
110×110-250×250 |
4.0-12.7 |
40 |
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ERW377 |
Ф165-Ф377 |
130×130-280×280 |
4.0-14.0 |
35 |
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ERW406 |
Ф219-Ф406 |
170×170-330×330 |
6.0-16.0 |
30 |
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ERW508 |
Ф273-Ф508 |
210×210-400×400 |
6.0-18.0 |
25 |
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ERW660 |
Ф325-Ф660 |
250×250-500×500 |
6.0-20.0 |
20 |
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ERW720 |
Ф355-Ф720 |
300×300-600×600 |
6.0-22.0 |
20 |
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STAINLESS STEEL PIPE PRODUCTION LINE |
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Model |
Round pipe mm |
Square pipe mm |
Thickness mm |
Working speed m/min |
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SS25 |
Ф6-Ф25 |
5×5-20×20 |
0.2-0.8 |
10 |
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SS32 |
Ф6-Ф32 |
5×5-25×25 |
0.2-1.0 |
10 |
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SS51 |
Ф9-Ф51 |
7×7-40×40 |
0.2-1.5 |
10 |
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SS64 |
Ф12-Ф64 |
10×10-50×50 |
0.3-2.0 |
10 |
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SS76 |
Ф25-Ф76 |
20×20-60×60 |
0.3-2.0 |
10 |
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SS114 |
Ф38-Ф114 |
30×30-90×90 |
0.4-2.5 |
10 |
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SS168 |
Ф76-Ф168 |
60×60-130×130 |
1.0-3.5 |
10 |
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SS219 |
Ф114-Ф219 |
90×90-170×170 |
1.0-4.0 |
10 |
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SS325 |
Ф219-Ф325 |
170×170-250×250 |
2.0-8.0 |
3 |
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SS426 |
Ф219-Ф426 |
170×170-330×330 |
3.0-10.0 |
3 |
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SS508 |
Ф273-Ф508 |
210×210-400×400 |
4.0-12.0 |
3 |
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SS862 |
Ф508-Ф862 |
400×400-600×600 |
6.0-16.0 |
2 |
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