... ,X52,X60,X70,X80,S235JRHetc11.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