k9 ductile iron pipe

k9 ductile iron pipe 

1) Description

standard: EN545/ISO2531/EN598

size: DN80-DN2600

class type: K9/Class c 

length/pc: 6m or 5.7m

paint: black bitumen paint or epoxy paint.

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

zinc coat: no less than 130g/m2

tensile strength: no less than 420mpa

yield strength: no less than 300mpa

hardness: no more than 230HB

2) Inspection during production 

Raw Material Inspetion (Melting, Trim)-Raw Material Inspetion(Nodullar Treatment)-Visual check after casting-Metallographic test,Mechanical properties and visual check  (while input to HT stove-Inpection of zinc spraying thickness-socket spigot dimension inspection and visual check-Hydrostatic test-cement mortar thickness and adhersion inspection, visual check-bitumen paint thickness inspection-final inspection ( thickness, length, etc)-checking packing and shipping mark

3) Third party inspection accepted, depend on your requirement 

4) Delivery time: normally 20-30 days (order quantity within 10x20'GP), if more, depend on your specification. 

5) Export experience: by now we have exported k9 or class c ductile iron pipe to many different countries, such as Italy, New Zealand, Uruguary, Iraq, Syria, Philippines, Singapore,etc.