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Shandong Dorco Heavy Machinery Co., Ltd.
Verified Supplier
1 Years
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1 Years
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| Brand Name : | Duolek |
| Model Number : | LXHGJ |
| Price : | 200000 - 1190000 USD Per Set |
| Payment Terms : | L/C,T/T |
| Delivery Time : | 45 - 75 Working Days |
| 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.
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