... Material: Carton.Stainless.Alloy 3.Specification:DN15-DN2000 4.Standard:ASTM B16.5 Flange Pipe Fittings1. Material: stainless steel,alloy steel ... Standard:ANSI, JIS,DIN, BS4504,SABS1123,EN1092-1, UNI, AS2129,ASTM B16.52) Type:Plate,Slip-on,Welding Neck.Thread,Socket ... DIN2631,DIN2632,DIN2633,DIN2634,DIN2635, DIN2636,DIN2637,DIN2638,DIN2673.ASTM A105,A182,A694gradeST37.2,ST45.8,ST35.8,C22.8,SS400,SM400B ...