Forged Carbon Steel Flange Materials: ASTM A105,DIN ST37.2 ASTM A182-F304,F304L,F316,F316L Supply ability 600tons month Forged Carbon Steel Flange, Stainless Steel Flange, WN,PL,BL,LJ,SW,TH,SO RTJ Flange. Market: European market, Japan, Korea, Iran, UAE, American. 1)Materials: ASTM A105, DIN ST37.2, ASTM A182-F304, F304L, F316, F316L, Q235, 20# 20Mn,16Mn. 2)Standard: ANSI B16.5, B16.47, MSS SP-44 ...