We mainly supply k9 or class c ductile iron pipe. With best raw material resources in China and high production technique, our k9 ductile iron pipe quality is very good and stable. With production capacity over 5000 tons per month, we can ship out goods very fast.
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.
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