SPECIFICATION:ANSI B 16.5, ANSI B 16.47, JIS B2220, MSS -SP44 MATERIAL:A105, RST-37, SS304, SS316, SS304L ... , CODE 112, CODE 1133)ENTYPE 01, TYPE 02, TYPE 05, TYPE 11, TYPE 12, TYPE 134)DINDIN2566, DIN2576, DIN2632, DIN2633, DIN2634, DIN2635, DIN2642, DIN2673 Forged steel flanges