matal reinforced spirally corrugated plastic pipe

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Product Description:

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 thicknessmm

minimum  multilayer wall thickness

mm

Maximum  thread pitchmm

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.

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