Square Pipe Roll Forming Machine Automatic Steel ERW Pipe Mill Line
Basic Configuration
{steel strip} --- un-coiler --- (opener & straightener & pincher & leveler) --- strip-head shearer & butt welder station --- vertical cage accumulator or horizontal spiral accumulator loop --- forming M/C (main driving unit + flattening unit + breakdown section + fin pass section +seam guiding stand + high frequency induction welding system + squeeze welding roller stand + outside scrafing unit + horizontal ironing stand) --- emulsion cooling section --- sizing M/C (main driving unit + sizing section + speed testing unit + straightener + pull-out stand) --- CNC flying saw under computer control --- conveyor table.
Technical Parameters
| Model | Tube O.D (mm) | Wall Thickness (mm) | Square&Rectangle (mm) | Thickness (mm) | Speed (m/min) |
| ERW-12 | φ4~12 | 0.2~0.5 | | | 30~120 |
| ERW-16 | φ6~16 | 0.2~0.8 | | | 30~120 |
| ERW-20 | φ7~20 | 0.2~1.0 | | | 30~120 |
| ERW-25 | φ9~25.4 | 0.25~1.2 | | | 30~120 |
| ERW-32 | φ10~31.8 | 0.25~1.5 | 8X8~25X25 | 0.25~1.2 | 30~120 |
| ERW-32Z | 0.3~2.0 | 10X6~30X20 | 0.3~1.5 | 30~100 |
| ERW-40 | φ12.7~40 | 0.3~1.8 | 10X10~30X30 20X10~40X20 | 0.3~1.5 | 30~110 |
| ERW-40Z | 0.4~2.0 | 0.4~1.5 | 30~100 |
| ERW-50Q | φ16~50.8 | 0.4~1.5 | 12.7X12.7~40X40 20X10~50X25 | 0.4~1.2 | 30~110 |
| ERW-50 | 0.5~2.0 | 0.5~1.5 | 30~90 |
| ERW-50Z | 0.6~2.5 | 0.6~2.0 | 30~80 |
| ERW-63Q | φ19.05~63.5 | 0.6~2.0 | 15X15~50X50 20X10~60X30 | 0.6~1.5 | 30~90 |
| ERW-63 | 0.7~3.0 | 0.7~2.5 | 30~80 |
| ERW-63Z | 0.8~4.0 | 0.8~3.0 | 20~70 |
| ERW-76Q | φ25.4~76.2 | 0.8~2.5 | 20X20~60X60 30X15~80X40 | 0.8~2.0 | 30~90 |
| ERW-76 | 0.8~3.5 | 0.8~3.0 | 30~80 |
| ERW-76Z | 0.8~4.0 | 0.8~3.5 | 20~70 |
| ERW-90Q | φ30~90 | 0.8~3.0 | 25X25~70X70 30X20~80X40 | 0.8~2.5 | 30~90 |
| ERW-90 | 0.8~3.5 | 0.8~3.0 | 30~80 |
| ERW-90Z | 0.8~4.0 | 0.8~3.5 | 20~70 |
| ERW-100Q | φ31.8~101.6 | 1.0~3.0 | 25X25~80X80 30X20~100X50 | 1.0~2.5 | 30~90 |
| ERW-100 | 1.0~3.75 | 1.0~3.0 | 30~80 |
| ERW-100Z | 1.0~4.25 | 1.0~3.5 | 20~70 |
| ERW-114Q | φ35~114.3 | 1.0~3.0 | 30X30~90X90 40X20~120X60 | 1.0~2.5 | 30~80 |
| ERW-114 | 1.2~4.25 | 1.2~4.0 | 20~70 |
| ERW-127Q | φ40~127 | 1.2~3.5 | 30X30~100X100 40X20~120X80 | 1.2~3.0 | 20~70 |
| ERW-127 | 1.5~5.0 | 1.5~4.5 | 15~60 |
| ERW-140Q | φ50~141.3 | 1.2~4.0 | 40X40~110X100 50X30~150X70 | 1.2~3.5 | 15~60 |
| ERW-140 | 1.5~5.5 | 1.5~5.0 | 15~60 |
| ERW-168Q | φ60~168.3 | 1.5~5.0 | 50X50~130X130 60X40~160X80 | 1.5~4.5 | 15~50 |
| ERW-168 | 2.0~6.0 | 2.0~5.5 | 15~50 |
| ERW-168Z | φ76.2~168.3 | 2.5~8.0 | 60X60~130X130 80X40~160X80 | 2.5~7.0 | 10~40 |
| ERW-219Q | φ89~219.1 | 2.0~6.0 | 70X70~160X160 100X50~200X100 | 2.0~5.5 | 10~40 |
| ERW-219 | 3.0~8.0 | 3.0~7.5 | 10~40 |
| ERW-219 | 4.0~10.0 | 4.0~9.0 | 10~40 |
| ERW-273 | φ114.3~273 | 4.0~10.0 | 90X90~200X200 120X60~260X130 | 4.0~9.0 | 10~40 |
| ERW-273Z | 4.5~12.0 | 4.5~11.0 | 10~35 |
Advantage
√ High production efficiency, line speed can be up to 110m/min.
√ High yielding, the machine works stably at a high speed.
√ Low wastage, low unit wastage and low production cost.
√ High accuracy, diameter error is only 0.5/100 of the pipe OD.
Application
GI, carbon steel and stainless steel tubes for metallurgy, construction, transportation, machinery and vehicle industries.
Machine Details
Company Profie
Zhongtai Group is established in 2000, locates in Shijiazhuang. We are an IS09001 certified pipe making machine and cold rolled section steel forming machine manufacturer, reputed enterprise in China's pipe making industry with the largest production capacity, the most advanced technology and strongest competitiveness,one of the executive directors of China Cold-formed Steel Structure Association and one of China's top ten pipe making machinery brands. There are three subsidiary companies respectively carry out technology development, production processing and mold manufacturing. Plant area 67000 m, with machining, heat treatment and assembly plants.
Factory Tour
Trade Show
ZTZG Transport
FAQ
Q:Are you manufacturer?
A:Yes,we are manufacturer.We have our own technical team.Welcome to visit us.
Q:What kind o f payment term you can do?
A:We are flexible about payment terms,we can also help you on financing,please contact us for details.
Q:What info you need before you make the proposal?
A:The pipe diameter and thickness range which you need or the profile drawings, material information,your special requirements.
Q: What should I do if I just start a new business?
A:Contact us immediately ,we provide free consultant pre-sales service.Also we can help you to solve the material(steel coil)purchase,worker train,international market price.
Q:How do you do QA?
A:We have special team do strict QA,this is our strengths:
(1)Every gear box will be tested for 8 hours with oil inside to guarantee there is no
leak.
(2)Every shaft will be inspected for the centering jumpiness.
(3)Every roller will be checked to make sure its in the range of tolerance critical parts
will be inspected for all dimensions.
Q:Why I should choose you,what are the differences between you and other
Chinese suppliers?
A:We are concentrate on this area for more than ten years.
Pre-sale:If the customer can not provide detailed technical information,our engineer
will go to the customer’s plant,draw precise drawings after measuring unit,to meet
your production requirement.
After-sale:Our strong team of engineers and experienced technicians can provide
you with installation instructions,operating instructions,quality control guidance
