Zhangjiagang ZhongYue Metallurgy Equipment Technology Co.,Ltd
| Payment Terms | T/T,L/C |
| Packaging Details | Seaworthy export wooden case, fixed and protected for container loading |
| Supply Ability | 150 Sets per Year |
| Delivery Time | 60-90 days after deposit |
| Brand Name | ZHONG YUE |
| Certification | CE, ISO 9001 |
| Place of Origin | Zhangjiagang, Jiangsu, China |
| Model Number | ZY16 |
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Product Specification
| Payment Terms | T/T,L/C | Packaging Details | Seaworthy export wooden case, fixed and protected for container loading |
| Supply Ability | 150 Sets per Year | Delivery Time | 60-90 days after deposit |
| Brand Name | ZHONG YUE | Certification | CE, ISO 9001 |
| Place of Origin | Zhangjiagang, Jiangsu, China | Model Number | ZY16 |
| High Light | Five-Stand Rough Forming ，Rough Forming Tube Mill ，Staged Roll Forming Machine | ||
Trying to form tube in too few passes overworks the strip edges, causing edge strain, thinning at the weld line, springback and inconsistent weld gaps.
Heavy forming in a single pass concentrates bending at the edges, so the strip yields unevenly, edges thin and the weld gap varies along the pipe, which the welder cannot correct.
The ZY16 spreads the bend across five rough forming stands, gradually closing the strip toward an open-tube profile. Each stand takes a controlled share of the deformation, protecting edge thickness and leaving a stable gap for the precision stage, which improves weld consistency on the full Φ8-18mm range.
| Parameter | Specification |
|---|---|
| Mill Model | ZY16 |
| Tube OD Range | Φ8-18 mm |
| Wall Thickness | 0.4-1.0 mm |
| Strip Width Range | 25-57 mm |
| Max Line Speed | 90 m/min |
| HF Welder Power | 100 kW Solid-State High Frequency |
| Strip Material | Hot Rolled / Cold Rolled / Galvanized Steel |
| Uncoiler | Double-Mandrel Pneumatic, 1.5-Ton Coil Capacity |
| Accumulator | 200 m/min High-Speed Cage |
| Strip Leveling | Seven-Roller Leveling Unit |
| Forming Stands | 5-Stand Rough + 3-Stand Precision |
| Roller Geometry | Double-Radius Forming Rollers |
| Roller Shafts | 42CrMo High-Strength Alloy Steel |
| Safety | Forming Stand Overload Protection |
Five rough forming stands spread the bend so strip edges are not overworked, protecting edge thickness for a full weld seam. This gradual closing is why the ZY16 forms thin-wall and coated strip reliably, with fewer edge-strain defects than mills using fewer, heavier passes.
For Φ8-18mm tube where edge integrity and weld gap control matter, including thin-wall and galvanized strip that tolerate less over-forming.
Choose this mill when your material is thin or coated and needs gradual forming to avoid edge damage. The five-stand rough stage is balanced with the three-stand precision stage for the full Φ8-18mm range.
Thin-wall and galvanized tube, small diameter precision tube, and any material prone to edge strain during forming.
Spreading deformation across five stands reduces edge strain and keeps the weld gap stable, unlike forcing the bend in fewer passes.
Yes, gradual forming protects strip edge thickness so the weld seam has full material to fuse.
Yes, five rough plus three precision stands divide the work so each stage handles an optimal share of deformation.
The stand sequence is fixed, but roll profiles are set per size, so the deformation is balanced for each OD you run.
Each stand is individually set, but the even load distribution actually reduces wear and edge defects, so total maintenance stays manageable.
They are geared and driven in synchronization with the line, so deformation is distributed evenly across the five stands.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1996
Total Annual:
30000000-40000000
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Zhangjiagang Zhongyue Metallurgy Equipment Technology Co., Ltd is located in Xiangshan Road, Jingang Town, Zhangjiagang City, Jiangsu Province, China. With the registered capital of RMB20,000,000 yuan, the company specialize in manufacturing high-frequency precision welded pipe lines, H-Beam steel p... Zhangjiagang Zhongyue Metallurgy Equipment Technology Co., Ltd is located in Xiangshan Road, Jingang Town, Zhangjiagang City, Jiangsu Province, China. With the registered capital of RMB20,000,000 yuan, the company specialize in manufacturing high-frequency precision welded pipe lines, H-Beam steel p...
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