... so on, high quality and reasonable price Spiral steel pipe .Commodity Namespiral welded steel pipe2.StandardAPI 5L, API 5CT,ASTM A53 , ... driving, etc.12. Export to theseCountriesCanada, USA, Peru, Chile, Colombia, Brazil, India, Malaysia, Singapore, Vietnam, Australia, Myanmar, Kenya, South Africa, ... England, Belgium, etc13.CertificatesAPI 5L , API 5CT, ISO ,CE Spiral steel pipe API 5L X65 PSL1 PSL2