Чугунные трубы

Specification: 1) The standard of pipe: ISO2531:1998, K9 2) Effective length: 6m 3) Inner cement line: Portland cement line as per ISO4179 4) Zinc coating: at least 130g/m2 as per ISO8179 5) Bitumen painting: at least 70um as per ISO8179 6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633 7) DN100mm-800mm 8) High strength, lighter than grey iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life tome about 100 yeas 9) Produced by Hangzhou chunfeng machine 10) Checked by automatic inspection equipment 11) Composition: Chemical compositionChemical compositionDuctile Cast Iron Pipe (%)Grey iron pipe (%)Steel pipe (%)C3.5-4.03.2-3.80.1-0.2Si1.9-2.61.4-2.20.15-0.4Mn0.15-0.450.4-0.60.3-0.6P≤0.06≤0.30.02-0.03S≤0.02≤0.10.02-0.03Mg0.03-0.0612) Feature: Mechanical propertiesDuctile Cast Iron PipeGrey Iron PipeSteel PipeTensile Strength(Mpa)≥420150-260≥400Yield Strength(Mpa)≥300No ConfirmationNo ConfirmationBending Strength(Mpa)≥590200-360≥400Elongation (%)≥10Neglected≥18Brinell Hardness(HBS)≤230≤230About 14013) T type mechanical joint 14) Packing: in bulk or container