Chalco exclusively innovates low-temperature spiral welding technology and introduces world leading advanced equipment to produce the patented products - spiral weld pipe and its accessories. Machinable xem truc tiep bong da toc do cao pipe diameter is Φ 219-1580mm.
The products are widely used in various fields such as deep cooling air separation, automobile manufacturing, textile industry, food and beverage, furniture manufacturing, new energy, military manufacturing, medicine and medical treatment, electronic appliances, power transmission, etc.
Specification of Chalco ultra diameter spiral weld pipe
| Alloy | 5052 5083 5754 5A05 |
| Temper | O H112 |
| Technology | Low temperature spiral seam welding |
| Diameter | Φ219-1580mm |
| Wall thickness | 4.0-14mm |
| Allowable deviation (Outer diameter of pipe end) | ±2mm |
| Straightness | ±2mm |
| Product quality inspection | The finished product has passed the pipeline water injection pressure test, and the design pressure is 1.0MPa. When the pressure reaches 5.1MPa, it bursts from the side of the middle section of the pipeline, and the weld is intact. |
More large-sized products in Chalco
Ultra thick xem truc tiep bong da toc do cao block: 340-620mm (slab);
Ultra wide xem truc tiep bong da toc do cao plate coil: 950-2150mm;
Large Diameter xem bong da truc tiep hom nay Billet Bar Supplier -- Max. Φ1350mm | Chalco
Large diameter xem truc tiep bong da toc do cao tube: hot selling Φ100-800mm; largest can be Φ1580mm
Super large diameter forged ring: with an outer diameter of up to 10m.
Technical explanation of Chalco ultra large diameter xem truc tiep bong da toc do cao weld pipe
- Low temperature spiral welded pipe adopts innovative low-temperature welding technology by spiral welding the narrow xem truc tiep bong da toc do cao plates and strips;
- The circumferential stress of the spiral weld pipe body forms a certain angle, and the stress is relatively small. The overall strength of the xem truc tiep bong da toc do cao pipe is higher than that of the straight welded pipe;
- Produce shells with different pipe diameters using narrower plate and strip materials, resulting in high production efficiency;
- The difference in roundness of welded pipes is less than 0.1% of the inner diameter of weld pipes, the formability of xem truc tiep bong da toc do cao pipes is better;
- The length of xem truc tiep bong da toc do cao pipes is flexible and can be cut into typical lengths according to pipeline construction needs.
- Low temperature welding process, xem truc tiep bong da toc do cao pipes have obvious advantages in low temperature resistance and oxidation resistance.
Ultra large diameter Al weld pipe hot selling products and its application field
| Mechanical properties | ||||||
| Alloy | Temper | Thickness/mm | Tensile strength Rm/Mpa | elongation strength R60mm/MPa | Elongation at break | Bending radius |
| Not less than | ||||||
| 5052 spiral weld pipe | O H112 | ＞3.00-6.00 | 170-215 | 65 | 18 | 1.0t |
| ＞6.00-14.00 | 19 | 2.0t | ||||
| 5754 spiral weld pipe | O H112 | ＞3.00-6.00 | 190-240 | 80 | 18 | 1.0t |
| ＞6.00-14.00 | 18 | 2.0t | ||||
| 5083 spiral weld pipe | O H112 | ＞3.00-6.00 | 275-350 | 125 | 15 | 1.5t |
| ＞6.00-14.00 | 16 | 2.5t | ||||
| 5A52 spiral weld pipe | O H112 | ＞3.00-6.00 | 270-350 | 150 | 18 | 1.5t |
| ＞6.00-14.00 | 19 | 2.5t | ||||
| Nominal Pressure PN≤1.0 MPa | ||||||||||||||
| Nominal Diameter | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 | 1300 | 1400 | 1500 |
| OD | 312 | 362 | 412 | 466 | 516 | 630 | 720 | 820 | 920 | 1020 | 1224 | 1324 | 1328 | 1528 |
| WTδ | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 10 | 10 | 12 | 12 | 12 | 14 | 14 |
| Theoretical Weight kg | 187 | 215 | 245.2 | 372.7 | 413.4 | 499.2 | 571.8 | 800 | 912 | 1214 | 1480 | 1573 | 1974 | 2117 |
| The length of the spiral weld pipe in this table is 12000mm The size of xem truc tiep bong da toc do cao spiral weld pipe can be customized according to user drawings, customized unit (mm) |
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Chalco large diameter spiral weld pipes are mainly made of 5000 series alloys, with main products including 5052 large diameter xem truc tiep bong da toc do cao welded pipes, 5754 large diameter xem truc tiep bong da toc do cao welded pipes, 5083 large diameter xem truc tiep bong da toc do cao welded pipes, and 5A52 large diameter xem truc tiep bong da toc do cao welded pipes.
Compared with other alloy grades, the 5000 series alloy mainly has advantages such as high strength, good corrosion resistance, strong weldability, excellent plasticity, and conductivity, and is widely used in various fields:
- Oil, liquefied gas, natural gas and other storage containers and transportation pipelines;
- Pressure vessels and storage tanks for liquids or gases, such as LPG tanks and oxygen tanks;
- Pipelines and containers in marine engineering;
- Pipeline system used for transmission and distribution of high-voltage direct current (HVDC) power.
Chalco ultra large diameter xem truc tiep bong da toc do cao welded pipe accessory products
| Accessory products | |
|
Large diameter xem truc tiep bong da toc do cao bend pipe |
Large diameter xem truc tiep bong da toc do cao pipe head |
|
xem truc tiep bong da toc do cao tees for large diameter pipes |
xem truc tiep bong da toc do cao alloy reducer pipe |
Comparison between xem truc tiep bong da toc do cao spiral welded pipe and longitudinal seam straight welded pipe
| xem truc tiep bong da toc do cao spiral welded pipe | Longitudinal seam straight welded pipe |
|
Bearing less stress When a thin-walled cylinder is subjected to pressure, its circumferential stress is twice the axial stress. Spiral welds are at a certain angle compared to circumferential stress and have less stress. |
Bearing greater force Strong stress The longitudinal welded xem truc tiep bong da toc do cao pipe is subjected to circumferential stress, which is perpendicular to the welding direction and bears the maximum force. |
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Flexible production Spiral welded pipes are produced with narrower plates and strips to spiral generated large diameter xem truc tiep bong da toc do cao tube; Plate and strip materials of the same width can produce welded pipes with different pipe diameters by adjusting the forming angle. |
Fixed production The straight welded xem truc tiep bong da toc do cao alloy shell can only use xem truc tiep bong da toc do cao plates with specific widths and lengths. Currently, the common xem truc tiep bong da toc do cao plate width can reach 2.5m. If it is further widened, customization is required, and the cost will greatly increase. |
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Good formability The straightness tolerance of the welded pipe shall not exceed 1mm/m and shall not exceed 0.5% ‰ of the length of the welded pipe. The allowable deviation of the outer diameter of the pipe end is (-1, 2) mm. The difference between the diameter of one end of the welded pipe and the diameter of the other end shall not exceed 1.5mm. |
Poor formability Due to the processing and forming process, it is difficult to control the ovality of the weld seam of the straight seam pipe. |
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Fewer connection welds In theory, the length of spiral welded pipes can be infinitely extended and can be cut into typical lengths of 12 to 18m, effectively improving the quality of pipeline construction, reducing connection weld seams, and significantly improving construction efficiency. |
Multiple connecting welds Longitudinal seam welded pipes are made of xem truc tiep bong da toc do cao plates, usually with a length of 3m, spliced into pipe sections of 12 to 18m in length. There are more connecting welding seams during construction process. |
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High technical difficulty The requirements for ovality, straightness, weld height and other aspects of welded pipes are high. In addition, the forming of xem truc tiep bong da toc do cao alloy is difficult to control and the welding process is relatively poor, making the technical difficulty of xem truc tiep bong da toc do cao alloy spiral welded pipes very high. Need the specialized molding machines, welding machines, and conveyor lines, the investment costs are high. |
Low technical difficulty The production technology, production welding process and welding machines are simple, so the investment cost is relatively low. |
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