Shandong Dorco Heavy Machinery Co., Ltd.
| Payment Terms | L/C,T/T |
| Delivery Time | 45 - 75 Working Days |
| Packaging Details | After Being Wrapped With Stretch Film, It Is Shipped Unpacked In The Container. |
| Model | DRC - 1000 |
| Specification(mm） | φ 219 - φ 1020 |
| Coil weight (ton) | 20 |
| auxiliary equipment | Steel Pipe Hydrostatic Testing Machine , Flat Head Chamfering Machine , Ultrasonic Flaw Detector , X-ray Steel Pipe Inspection |
| Coil width(mm） | 500 - 1560 |
| Area(m2） | 24 * 78 |
| Brand Name | Duolek |
| Model Number | LXHGJ |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Delivery Time | 45 - 75 Working Days |
| Packaging Details | After Being Wrapped With Stretch Film, It Is Shipped Unpacked In The Container. | Model | DRC - 1000 |
| Specification(mm） | φ 219 - φ 1020 | Coil weight (ton) | 20 |
| auxiliary equipment | Steel Pipe Hydrostatic Testing Machine , Flat Head Chamfering Machine , Ultrasonic Flaw Detector , X-ray Steel Pipe Inspection | Coil width(mm） | 500 - 1560 |
| Area(m2） | 24 * 78 | Brand Name | Duolek |
| Model Number | LXHGJ | Place of Origin | China |
| High Light | φ219-φ1020 Spiral Weld Pipe Mill ，20 Ton Coil Spiral Pipe Mill ，500-1560mm Coil Width Spiral Welded Pipe Unit | ||
| Model | Specification(mm) | Coil weight (ton) | Coil width(mm) | Thickness(mm) | Capacity(KW) | Area(m²) |
|---|---|---|---|---|---|---|
| DRC-400 | φ219-φ426 | 10 | 400-750 | 5-8 | 150 | 18*72 |
| DRC-500 | φ219-φ529 φ219-φ720 | 15 | 400-800 | 5-10 | 180 | 18*72 |
| DRC-600 | φ219-φ630 | 15 | 450-1050 | 6-10 | 190 | 21*72 |
| DRC-700 | φ219-φ720 | 15 | 500-1250 | 5-12.7 | 210 | 21*72 |
| DRC-800 | φ219-φ820 | 20 | 500-1300 | 6-12.7 | 220 | 24*78 |
| DRC-1000 | φ219-φ1020 | 20 | 500-1560 | 6-12.7 | 220 | 24*78 |
| DRC-1400 | Φ325-φ1420 | 25 | 500-1560 | 6-18 | 400 | 24*120 |
| DRC-1600 | Φ426-φ1620 | 30 | 1100-1600 | 6-20 | 400 | 24*120 |
| DRC-1800 | φ508-φ1820 | 30 | 1200-1600 | 8-25.4 | 500 | 24*180 |
| DRC-2000 | φ508-φ2020 | 30 | 1200-2000 | 8-25.4 | 550 | 24*180 |
| DRC-2400 | φ508-φ2400 | 30 | 1200-2000 | 8-25.4 | 600 | 24*200 |
| DRC-3000 | φ508-φ3000 | 30 | 1200-2000 | 8-25.4 | 700 | 24*200 |
The steel coils, welding wires, and fluxes put into production must undergo strict physical and chemical inspections to ensure the basic quality of the products.
The strip steel needs to undergo leveling, trimming, planing, surface cleaning, and pre bending treatment to lay the foundation for subsequent forming and welding.
Use an electric contact pressure gauge to ensure smooth steel strip transportation.
Apply external or internal control roll forming technology.
By using specialized devices to control the gap between welds, key indicators such as pipe diameter and misalignment are strictly met.
Both internal and external welding are carried out using American Lincoln welding machines for single or double wire submerged arc welding, ensuring efficient welding process and stable weld quality. Meanwhile, the active submerged arc welding technology further enhances the quality of the pipe body.
Using an air plasma cutting machine for fixed length cutting of steel pipes, with high efficiency and good quality.
Each batch of steel pipes must undergo strict inspection, including weld mechanical properties, chemical composition, fusion condition, surface quality, and non-destructive testing, to ensure that only products with fully qualified processes can be put into the market.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Total Annual:
300-500
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Shandong Duolek Heavy Machinery Co., LTD., located in Puji Industrial Park, Jiaozhou, Qingdao, Shandong Province. We are a large-scale heavy industry machinery manufacturing enterprise in China. The company is mainly engaged in the design, manufacturing, and installation of large-scale equipmen... Shandong Duolek Heavy Machinery Co., LTD., located in Puji Industrial Park, Jiaozhou, Qingdao, Shandong Province. We are a large-scale heavy industry machinery manufacturing enterprise in China. The company is mainly engaged in the design, manufacturing, and installation of large-scale equipmen...
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