... for transport liquid,transport pipe line,machinery part Specifications:1,stainless steel perforated pipe 2,usage:transport ... nameRound steel pipe 2 StandardASTM-554,ASTM-249,ASTM-270 SUS3043 Outer Diameter20-457,DN15-DN4504 Wall Thickness( ... pipe,machnery part11 Export to these countryMiddle east countries, India, USA, Canada , Chile, Colombia,12 CertificatesSGS,ISO ,CEPRODUCT PHOTO: Round steel pipe ...