... 250MPa150#-2500# Standard:GB Products Information:Name: pipe forged stainless steel flange Standard:ANSI,DIN,JIS,GOST,GB ,EN ... ) and so on Our products :carbon steel ,alloy steel ,stainless steel pipes and pipe fittings long/short radius elbows(EL/ES),straight ... / reducing tee(TC/TR) ,SO ,WN,PL,BL,SW,TH flanges,pipe ...