... X60,X70,X80,S235JRH,etc11.UsageFor linepipe in petroleum and natural gas , water and gas, mineral slurry. Also for chemical industry, ... building structure and pile driving, etc.12. Export to theseCountriesCanada, USA, Peru, Chile ... South Africa, Spain, Italy, France, England, Belgium, etc13.CertificatesAPI 5L , API 5CT, ISO ,CE Galvanized welded Steel Pipe