... on. 2) Standards: /ASTM/ASME/DIN/JIS and etc Stainless steel flange Features:1) size: DN10-DN 1200,150#-2500#2) Grade : Grade : 301 ... , 321, 304, 304L, 316, 316L, 317, 317L,310s etc3) Standards: /ASTM/ASME/DIN/JIS ... stainless steel flange sizeDN10-DN 1200,150#-2500#grade321, 304, 304L, 316, 316L, 317, 317L,310s,904L etc.standard/ASTM/ASME/DIN/JIS and ...