RO-3301  
Ductile Iron Steel Pipe

 
Standards:

ISO2531; BS EN545; EN545; EN598; GB13295; ISO7005-2; EN1092-2
 
Production Process:
Lost Foam or Sand Cast
 
Internal Lining:
Ordinary cement mortars: Surphase resistance cement; Epoxy paint brushing; Fusion Bonded Epoxy coating etc.
 
External Coating:
Zinc coating: Metallic zinc (for centrifugally cast pipes and zinc rich paint coating for non-centrifugally cast pipes and fittings.
Bitumen coating, Epoxy paint brushing; Fusion Bonded Epoxy Coating etc.
 
Pressure rate:
PN10; PN16; PN25; PN40
 
Thickness:
K9; K10; K12; K14; GGG50
 
Jointing Materials:
SBR or EPDM rubber rings for sockets end(s)
SBR or EPDM rubber gaskets, Galvanized steel bolts, nuts and washers for flanged joints.
 
Main Mechnical Properties
Tensile strength: 420 Mpa Minimum
Elongation: Fittings and non-centrifugally cast pipe are 5% minmum; centrifugally cast pipes are 10% minmum.
Hardness: HB250 maximum for fittings and non-centrifugally cast pipes and HB230 maximum for centrifugally cast pipes.