Dinggin Hardware (Dalian) Co.,Ltd

Search

Home > Knowledge > Content
Ductile iron pipes have better mechanical properties.
Nov 08, 2018

Ductile iron pipe have better mechanical properties than steel pipes and cast iron pipes. 


Pipe   categoriesDuctile   iron pipe Cast iron pipeSteel pipe
Tensile   strength( N/mm2)420150-260400
Elongation   (%)DN80-DN100010ignored18
DN1100-DN26007
Brinell   Hardness (HBW)230210about 140
Water   pressure test (Mpa)sizek9 classRecommended   pressure level-2.5-3.0
30054
DN350-DN60043
DN700-DN10003.22.5
DN1100-DN20002.5
DN2200-DN26001.8
Air tightness   test pressure0.6---


Related Industry Knowledge