Iso2531Cement Lined Ductile Iron Pipe K7 C25 C30 C40

Product Description   Product information 1)  The standard of pipe: ISO 2531 - 1998, EN545-2002 , 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 ISO 8179 
6)  Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber tightness ring as per ISO4633 
7)   DN 80 - 1,600 mm 
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 equipment. Mechanical Properties

Standard	Product	Nominal Diameter DN mm	Tensile strength	Yield  strength    N/mm2	Elongation  %	Hardness  HB
			N/mm2	2
ISO2531 EN545:2010 EN598:2009	Ductile iron pipes	DN100~1000mm	≥420	≥300	10	≤ 230
		DN1100~2600mm		≥300	7

Product Test Pressure gauge for testing standard

Product	Nominal Dia hydrostatic meter DN(mm)	Tensile strength     N/mm2	Yield strength   N/mm2
Ductile iron pipes	100~300	50	≥10
	350~600	40
	700~1000	32
	1100~2000	25
	2200~2600	18

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