... -WPL6. A234-WP12. A234-WP11. A234-WP5Our Products:Seamless steel pipe, ERW steel pipeMaterials:Carbon steel, stainless steel.Standard:ASTM, ANSI, API, JS, DIN, GB, BSSize ... 88", SCH40, SCH80, SCH160, or per customers' drawings or samples seamless carbon steel tube