... " thickness:SCH10-SCH160 Material:carbon steel API 5L X52 pipeline steel bend--BGSize -- Seamless:from 1/2" to 24" , ... 316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91,16MnR, Cr5Mo, ... flaw detection ,magnetic powder detector ,etcQualification-- API ,CE ,ISOPacking-- in wooden cases or as your requirementApplication--Petroleum, chemical, machinery ...