... XXSStandard --ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISOMaterial --Carbon steel --ASTM ... WPHY 60, WPHY 52,WPHY 46,WPHY 42, etc .Stainless Steel --ASTM A403 WP304,304L,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2 ... , etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91,16MnR, Cr5Mo ...