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Di Pipe Class K9

Di Pipe Class K9

DN80-DN2600 di pipe class k9 for water supply 1.used for water supply or water drainage 2.more durable than steel pipe, life time at least 30-50 years 3.easy to install, more economical

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di pipe class k9


Supply capability of di pipe: 

size: DN80-DN2600

Length/pc: 6m or 5.7m per piece 

standard: EN545/ISO2531/EN598

class type: di pipe class k9 or class c 

Joint type: t type, flange type, self-restraint type

Annual production ability: 500000 tons per year, about 40000 tons per month


di pipe class k 9 specification: 

paint: black bitumen paint or epoxy paint

cement lined inside: portland cement or sulphate resistant cement or high aluminium cement

zinc coating: above 130g/m2 or as per your requirement 


di pipe class k9 application:

1) EN545/ISO2531: for water supply

2) EN598: for water drainage 


di pipe class k9 packaging:

small size di pipe will be packed with steel bands, big size di pipe will be put piece by piece. 


Mechanical Properties

Nominal Diameter mm

Tensile Strength N/m2

Yield Strength N/m2

Elongation%

Hardness HB

Water Pressure Test MPa

≤300

≥420

≥300

≥10

≤230

5

300—600

≥420

≥300

≥10

≤230

4

700—1000

≥420

≥300

≥10

≤230

3.2

1200

≥420

≥300

≥7

≤230

2.5

 

Corrosion Resistance


90-day Water corrosion(G/cm2)

Corrosion in sea water(G/cm2)

72 hours 5% Hydrochloric acid solution(G/cm2)

Ductile iron pipe

0.009

0.066

0.0821

Ordinary gray iron pipe

0.0103

0.073

0.6899

Steel

0.0396

0.13

≥10

 


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