matal reinforced spirally corrugated plastic pipe
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Metal reinforced polyethylene(PE)spirally corrugated pipe is a new kind of double-wall spirally corrugated pipe. The HDPE is used as basic material, and the steel strap spiraled as the supporting part which is spiraled to corrugated wall structure.
Material
The stuffing material of steel reinforced HDPE pipe and fitting is PE 80 (piping class), and we use high quality low-carbon steel wire as the reinforcing part of the pipe and Q235 steel sheet for fittings.
Characteristics of PE 80(piping class) material
Characteristics | Test Standard | Unit | Result |
Melt Flow Index(5Kg,190℃) | ASTM D 1238 | G/10min | 0.56 |
Density | ASTM D 792 | G/cm3 | 0.954 |
Tensile Yield Strength | ASTM D 638 | Kg/cm2 | 230 |
Tensile Fracture Strength | ASTM D 638 | Kg/cm2 | 370 |
Tensile&Elongation Ratio | ASTM D 638 | % | ≥600 |
Brittleness Tempreature | ASTM D 746 | ℃ | ≤-70 |
Linear Expansion Coefficient | DIN 53752 | K-1 | 1.3x10-4 |
ESCR (F50) | ASTM D 1689 | HR | >2000 |
Thermal Stability | ISO 10837 | min | >20 |
Grade | ASTM D 4131(B) | PE 80 | |
Long-term Hydro Static Strength | ISO 9080 | MPa | 9.33 |
Short-term Hydro Static Strength | ASTM D 4131 | HR | >165 |
The characteristic of steel wire and sheet
Characteristics | Test Standard | Unit | Result | |
Steel wire | ||||
Tensile strength | GB/T 343-1994 | MPa | 400-500 | |
Tensile&Elongation Ratio | GB/T 343-1994 | % | 12 | |
Steel sheet | ||||
Tensile strength | GB/T 709-1988 | MPa | 200 | |
Tensile&Elongation Ratio | GB/T 709-1988 | % | 10 | |
| | | | |
Characteristics
Because of the reasonable design and the advanced production technology, the Metal reinforced polyethylene(PE)spirally corrugated pipe possesses many advantages, such as high ring stiffness, resistance to corrosion and abrasion, light weight, convenient construction and installation etc..
It is a new kind of pollution-free plastic pipe which recommended by the Ministry of Construction. The features follows:
1 For the high elastic modulus of corrugated steel strip, the pipe possesses high ring stiffness.
Metal reinforced polyethylene(PE)spirally corrugated pipe makes use of the special corrugated steel as supporting structure. Because of steel’s high elastic modulus and pipe cross-section’s high moment of inertia, there are 4 ring stiffness classes for the pipe: SN8, SN10, SN12.5, and SN16. Its high ring stiffness breaks the limit that the highest ring stiffness of plastic pipe can only reach the SN8. It makes plastic pipe can satisfy various engineering requirements.
2 The HDPE materials is very stable is chemical reaction, the pipe can resist corrosion and abrasion, and has a long service life.
The steel is completely covered by HDPE, so only the HDPE is exposed to the liquid and the soil. HDPE is a kind of crystal Non-polar material, it is very stable and has no electric-corrosion. Pipe resists corrosion and abrasion, has a long service life.
3 Smooth inter wall, the transportation capability of the pipe is high
The inner wall surface of Metal reinforced polyethylene(PE)spirally corrugated pipe is smoother than concrete pipe. So the transportation capability of the pipe is obviously higher than that of concrete pipe under the same condition.
4 Hollow structure, light weight, convenient construction and installation
With the corrugated steel strip as supporting structure, it needs fewer raw materials than other plastic pipes. Metal reinforced polyethylene(PE)spirally corrugated pipe is light. It can be connected by many kinds of method, for example, electric melting belt; the transport and installation are convenient and simple.
5 HDPE and adhesive resin are combined with the steel strip closely in molten state.
As bond between HDPE and steel, there is a layer of adhesive resin which the steel strip’s surface coats with. To control the optimum temperature, pressure and time can ensure that HDPE and steel compound closely. It prevents the steel strip being rusty.
6 Flexible pipe, joint steady, resist to unequal settlement
Metal reinforced polyethylene(PE)spirally corrugated pipe possesses the characteristic of both rigidity and flexibility, when under pressure, the pipe and backfill soil can resist to external load and reasonable uneven settlements of soil.
Combined with the advantages of the electric-melting belt welding method and the patented technology of welding, it can ensure the welding quality be safety.
Specification
specification | minimum mean inside diameter (mm) | minimum inner wall thickness(mm) | minimum multilayer wall thickness (mm) | Maximum thread pitch(mm) |
300 | 294 | 2.5 | 4.0 | 55 |
400 | 392 | 3.0 | 4.5 | 65 |
500 | 490 | 3.5 | 5.0 | 75 |
600 | 588 | 4.0 | 6.0 | 85 |
700 | 673 | 4.0 | 6.0 | 110 |
800 | 785 | 4.5 | 6.5 | 120 |
900 | 885 | 5.0 | 7.0 | 135 |
1000 | 985 | 5.0 | 7.0 | 150 |
1100 | 1085 | 5.0 | 7.0 | 165 |
1200 | 1185 | 5.0 | 7.0 | 180 |
1300 | 1285 | 5.0 | 7.0 | 190 |
1400 | 1385 | 5.0 | 7.0 | 200 |
1500 | 1485 | 5.0 | 7.0 | 210 |
1600 | 1585 | 5.0 | 7.0 | 210 |
1800 | 1785 | 5.0 | 7.0 | 210 |
2000 | 1985 | | | |
2200 | 2185 | | | |
| | | | |
Application
The 12th China National Games Projects
The 12th National Games of the People's Republic of China was held in Liaoning province in 2013. Liaoning was the 6th provincial level host of the games, following Beijing, Shanghai, Guangdong, Jiangsu and Shandong.
HTIDC won the bidding of drainage pipline projects of the 12th National Games in Shenyang in 2012.
- Q:What's the difference between stainless steel pipe and stainless steel composite pipe?
- Stainless steel composite pipe in 2002 GB/T18704-2002 national standard formally promulgated, choose from the quality of materials, inspection and other aspects have a set of strict management, due to the advantages of beautiful appearance, low price, which has been widely used in bridge guardrail, decoration, vehicle accessories, conveying roller, the field of textile machinery accessories etc..
- Q:Are composite pipes suitable for marine aquaculture systems?
- Yes, composite pipes are suitable for marine aquaculture systems. Composite pipes offer several advantages over traditional materials such as corrosion resistance, durability, and lightweight construction. These features make composite pipes ideal for withstanding the harsh marine environment and the specific needs of aquaculture systems. Additionally, composite pipes have a longer lifespan and require less maintenance, making them a cost-effective choice for marine aquaculture operations.
- Q:Are composite pipes suitable for transporting drinking water?
- Yes, composite pipes are suitable for transporting drinking water. Composite pipes are designed to be corrosion-resistant, durable, and have a smooth inner surface that prevents the growth of bacteria or contaminants. They are also lightweight and easy to install, making them a reliable choice for transporting drinking water.
- Q:Can composite pipes be used for high-pressure applications?
- Yes, composite pipes can be used for high-pressure applications. Composite pipes are constructed using different materials such as fiber-reinforced polymers, which provide excellent strength and durability. These pipes are designed to withstand high-pressure environments and are capable of handling various fluids and gases, making them suitable for high-pressure applications in industries such as oil and gas, chemical, and water distribution.
- Q:PSP plastic steel composite pipe and lining plastic composite pipe can be used instead?
- PSP steel plastic composite pressure pipe is a new type of pipe developed in recent years in our country.
- Q:Do composite pipes have a low noise transmission?
- Yes, composite pipes typically have low noise transmission due to their inherent sound-dampening properties.
- Q:Do composite pipes have any odor permeation properties?
- Composite pipes do not have odor permeation properties.
- Q:Are composite pipes resistant to ground settlement?
- Yes, composite pipes are generally resistant to ground settlement. Due to their strong and flexible nature, composite pipes can withstand ground movements and settle without experiencing significant damage or structural integrity issues.
- Q:Can composite pipes be painted or coated?
- Yes, composite pipes can be painted or coated. The surface of composite pipes can be prepared and treated to allow for the application of paint or coatings, which can help enhance their appearance, protect against corrosion, or provide other desired functional properties.
- Q:Can composite pipes be used for transport of slurries?
- Yes, composite pipes can be used for the transport of slurries. Composite pipes are known for their high resistance to corrosion, abrasion, and chemical attack, making them suitable for handling abrasive and corrosive materials such as slurries. They offer excellent durability, low maintenance requirements, and can withstand high pressures and temperatures, ensuring efficient and reliable transportation of slurries.
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matal reinforced spirally corrugated plastic pipe
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