Steel Flange FLANGES MaterialCarbon steel:ASTM A105,ASTM A350 LF1,LF2,CL1/ ... ,A106BStainless steel:ASTM A182 F304/304L,F316/316L,StandardEN, DIN, UNI, BS, NF, ANSI, JIS, KS, API, MSSDIN:DIN2527,DIN2566, DIN2573, DIN2576 ... , DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631,ANSI:ANSI B16.5,ANSI B16.47,MSS SP44,ANSI B16.36,ANSI B16.48BS:BS4504, BS1560, BS10UNI: 2276 ...