... :SCH10-SCH160 Material:carbon steel ASTM A 860 WPHY 42 steel bend--BG Size -- Seamless:from 1/2" to 24" ,Welded:from 24 ... ,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91,16MnR, Cr5Mo, 12Cr1MoV, 10CrMo910,15CrMo, 12Cr2Mo1 ... ; ASTM A335 P5, P9, P11, P12, P22, P91 ,etc ...