Shijiazhuang Zhongtai has 21 years experience in making ERW tube mill production line.The zhongtai series products can produce different types and shapes of ERW pipe.
1. Company has passed ISO9000: 2008 version quality system certification and CE Certification of Pipe Mill,All manufacturing processes are strictly conducted by the standard.
2. All products adopt all-around computer aided design (CAD & CAXA & PRO-E & COPPRA).
3. Our manufacturing process control using WIMS system.
4. From processing to each procedure of assembly, all the spare parts after the strict incoming inspection, assembly process of no-load test, the finished final inspection and testing
5. All auxiliary parts adopt international and domestic famous brand products.
Steel Pipe Specification | |
Round Pipe diameter | Φ32–Φ76mm |
Pipe Thickness | 1.0 – 4.0mm |
Square and rectangle pipe2 | 20x20– 60x60mm |
Pipe Thickness | 1.0 – 3.0mm |
Pipe Length | 6-12m |
Length Tolerance | ±6 mm |
Steel Tape Specification | |
Material | Carbon steel (δb≤500Mpa, δs≤235Mpa) |
Inner diameter | Φ470-Φ510mm |
Outer diameter | Φmax=1800mm |
Strip steel width | 80-240mm |
Strip steel thickness | 1.2mm-4.0mm |
The maximum weight | 4.0 tons |
Electric installed capacity | appro.500KW |
Line Speed | 1.5m3/h |
{Steel strips} →→Double-head un-coiler →→Strip-head Shearer & Butt welder station →→Accumulator(Vertical cage or horizontal spiral loop) →→Forming M/C (Main driving unit +Flattening Entry unit + Breakdown zone + Fin pass zone + Seam guide unit + High frequency induction welding system + Squeeze welding roller unit + Outside scarfing unit +Zinc spray Patching system for welded seam + Horizontal ironing stand) + Emulsion water Cooling section + Sizing M/C (Main driving unit +Sizing zone + Speed testing unit + Turk straightener + Vertical pull-out stand) →→ NC flying saw under computer control (Hot friction saw or Cold saw)→→ Kick-out table
Q: Are you a manufacturer?
A: Yes, we are a manufacturer. We have 4 factories ( Machining, Assembling, Heat treatment, and Moulding ). We also have our own R&D department. Welcome to visit us.
Q: What kind of payment term do you do?
A: We do T/T and L/C.
Q: What info do you need before giving me the price and proposal?
A: Since we design individual machines based on our customer's requirements, we need your desired products' basic dimensions, including all the pipe diameter(or tube length), thickness range, usage, raw material steel grade, coil weight, and degree of automation.
Q: What should I do if I just start a new business?
A: Contact us immediately, we provide a free consultant for pre-sales service. Also, we can help you solve the raw material (steel coil) purchase, worker training, international market price, and more.
Q: How do you do QA?
A: We have a special team to do strict QA, this is one of our strengths:
(1)Every gearbox will be tested for 8 hours with oil inside to guarantee there is no leak.