matal reinforced spirally corrugated plastic pipe

matal reinforced spirally corrugated plastic pipe System 1

matal reinforced spirally corrugated plastic pipe System 2

matal reinforced spirally corrugated plastic pipe System 3

matal reinforced spirally corrugated plastic pipe System 4

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 connection mode is used for XPAP crosslinked aluminum plastic composite pipe?: From the connection way, aluminum plastic pipe is a physical connection, simple and convenient, and its safety and reliability is very high. For example: card sleeve type connection.

Q:Can composite pipes be used for irrigation in saline soils?: Yes, composite pipes can be used for irrigation in saline soils. Composite pipes are made of materials that are resistant to corrosion and can withstand the high salt content in the soil. They are also lightweight, durable, and have a longer lifespan compared to traditional pipes. Therefore, composite pipes are an ideal choice for irrigation systems in saline soils.

Q:How to process and install the steel plastic composite pipe?: Characteristics of Lida brand steel plastic composite pipe1, common polyethylene PE lining, temperature - 40 ~ 60 degrees centigrade2, crosslinked polyethylene PE lining, temperature - 40 ~ 95 degrees3, corrosion resistance, oxidation resistance, the use of non fouling.4, the transmission fluid friction resistance is smaller than the ordinary galvanized pipe flow.5, clean sanitation, there will be no two pollution.6. The connection method is the same as that of the common galvanized pipe (pipe thread connection)7 、 can effectively buffer the water hammer phenomenon in the pipe system and reduce noise.

Q:Do composite pipes have a low flow resistance?: Yes, composite pipes have a low flow resistance due to their smooth interior surface, which allows for efficient flow of fluids or gases.

Q:Steel plastic composite pipe for temperature is how much?: And supporting the use of plastic lined steel composite pipe for conveying fluid and corrosive gas, to replace the stainless steel pipe, rubber lining lining pipe, glass pipe and other precious metal pipe.

Q:Do composite pipes require expansion joints?: Yes, composite pipes typically do not require expansion joints. This is because composite materials have inherent flexibility and dimensional stability, allowing them to accommodate thermal expansion and contraction without the need for additional expansion joints.

Q:Can composite pipes be used for mining tailings transportation?: Yes, composite pipes can be used for mining tailings transportation. Composite pipes are known for their high resistance to corrosion and abrasion, making them suitable for transporting abrasive materials like mining tailings. Additionally, composite pipes are lightweight and have a smooth inner surface, reducing friction and improving the overall efficiency of tailings transportation.

Q:Do composite pipes have a high resistance to pressure surges?: Yes, composite pipes typically have a high resistance to pressure surges due to their strong and durable materials.

Q:PsP plastic steel composite pipe, good installation?,: But if you time for steel plastic composite pipe installation, should pay attention to regional differences to a set, after all some domestic special area, day and night temperature difference is too large, so the installation must pay attention to.

Q:Are composite pipes more resistant to corrosion than metal pipes?: Yes, composite pipes are generally more resistant to corrosion than metal pipes. Composite materials, such as fiberglass and reinforced plastics, are inert and do not react with corrosive substances like metals do. This makes them highly resistant to corrosion, extending their lifespan and reducing maintenance costs compared to metal pipes.

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