... #-2500#2) Grade : Grade : 301, 321, 304, 304L, 316, 316L, 317, 317L,310s etc3) Standards: /ASTM/ASME/DIN/JIS and etc 4 ... sizeDN10-DN 1200,150#-2500#grade321, 304, 304L, 316, 316L, 317, 317L,310s,904L etc.standardASTM/ASME/DIN/JIS and etccertificateISO,SGS ...