... 1/2" to 24" ,Welded:from 24" to 96"( or as customer requirements)Angle -- 22.5 deg, 30deg,45 ... 304L,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91,16MnR, Cr5Mo, 12Cr1MoV ... powder detector ,etcQualification-- API ,CE ,ISOPacking-- in wooden cases or as your requirementApplication--Petroleum, chemical, machinery, electric power, shipbuilding, ...