1.Threaded Flanges 2.Standard:A105 ANSI B16.5 3.Size: 2''--24'' 4.Unite Price:5.4$--203$ 5.HS: 7304199000 1.Material: carbon steel, stainless steel and alloy steelCarbon steel: 10#, 20#, A3, 20G.16Mn, ASTM A234, ASTM A105 and moreStainless steel: ASTMA403, 1Cr18Ni9Ti, 0Cr18Ni9, 00Cr19Ni10, 00Cr17Ni14Mo2, 304, 304L, 316 and 316LAlloy steel: 16MnR, Cr5Mo, 12Cr1SMoVK, 10CrMo910, 15CrMo, 12Cr2Mo1, ...