High quality dn250 ductile cast iron pipe weight per meter
High quality dn250 ductile cast iron pipe weight per meter
High quality dn250 ductile cast iron pipe weight per meter
High quality dn250 ductile cast iron pipe weight per meter
High quality dn250 ductile cast iron pipe weight per meter
High quality dn250 ductile cast iron pipe weight per meter

High quality dn250 ductile cast iron pipe weight per meter

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Product Overview

Description


Ductile iron pipe introduction

Ductile iron, also called spherical graphite iron, is characterized by the presence of graphite in the resultant castings. It differs from flake graphite in that, it has a higher tensile strength, a proof stress and elongation. These characteristics ensure the suitability of ductile iron pipes and fittings for a majority of pipeline applications.

 

Advantage

1.For potable water supply

2.High strength

3.Long lifespan

4.Good corrosion resistance

5.Easy installation

 

Specifications

1

 

Type

 

The T-type Joint Pipe (Push-on)

The K-type Joint Pipe

The Self-Restrained Joint Pipes

2

Standard

ISO2531, EN545, EN598, etc

3

Size

DN80~2600mm

4

Material

Ductile Cast Iron GGG50

5

Pressure

PN10, PN16, PN25,PN40

6

Class

K8, K9, C25, C30, C40

7

Length

6m, cut to 5.7m

8

Application

Water supply project, drainage, sewage, irrigation, water pipeline.

9

Certificate

ISO9001, SGS

 

 

10

 

Internal Coating

a). Portland cement mortar lining

b). Sulphate Resistant cement mortar lining

c). High-Aluminum cement mortar lining

d). Fusion bonded epoxy coating

e). Liquid epoxy painting

f). Black bitumen painting

 

11

External Coating

a). zinc+bitumen(70microns) painting

b). Fusion bonded epoxy coating

c). Zinc-aluminum alloy +liquid epoxy painting

12

Packing

Bundles, in bulk

Note  The coating can also be accordance with customers' requirements.

 

Application

Water supply project, drainage, sewage, irrigation, water pipeline.

 

Mechanical properties for pipes

 

Ductile iron pipe

Grey cast iron pipe

Steel pipe

Tensile strength(N/mm2)

=420

150-260

=400

Elongation(%)

DN60-1000=10

Neglect

=18

DN1100-2600=7

Hardness(HB)

=230

=210

Approx. 140

Hydraulic test(Mpa)

=DN300

5.0

 

2.5-3.0

DN350-600

4.0

 

DN700-1000

3.2

 

DN1100-2000

2.5

 

DN2100-2200

1.8

 

Air test(Mpa)

=0.3

 

 

 

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