1.OD:219-3600mm,WT:6-30mm 2.Standard:API 5L PSL1,GB/T9711.1 3.Material:X42-X80, ... theseCountriesCanada, USA, Peru, Chile, Colombia, Brazil, India, Malaysia, Singapore, Vietnamese, Australia, Myanmar, Kenya, South Africa, Spain, Italy, France, England, Belgium, etc13 ... PSL1,PSL2 , API 5CT, ISO ,CE ASTM A252 SSAW Steel Pipe Pile