China high quality ductile iron pipe

ductile iron pipes. 1) standard: ISO2531,EN545 Class: K9 2)size: DN80-DN800 3)pull strength:>420MPa 4)Yield:>10%

ductile iron pipes

specifications:

1)The standard of pipe: ISO 2531-1998, EN 545-2002,K9

2)Effective length: 6M when using bulk shipment way, or about 5.5M or 5.7M when in 20'container shipment way

3)Inner cement line:Portland cement line as per ISO4179

4)Zinc coating: at least 130gsm as per ISO 8179

5)Bitumen painting: at least 70um as per ISO8179

6)Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber tightness ring as per ISO 4633

7)DN80-1600mm

8)High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life time

9)Checked by automatic inspection equiment

10)Composition:

a)C:3.4-3.7%

b)Si:2.1-2.4%

c)P:<0.08%

d)S:<0.015

Pull strength:>420MPa

Yield:> 10%

Hardness :<230HB

China high quality ductile iron pipe