... OEM, Flange Specification Size1/8"-48"TypeWNRF, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange, Spectacle Blind,Etc ... .StandardANSI, ASME ,MSS, API, DIN, JIS, BS. AWWA and GBClassANSI 150LBS-2500LBS,DIN PN6-PN160BS PN0.25-PN25 PN2 ... 800Cu-Ni90/10,70/30ProcessFree forging, plate cutting.PrintingCarbon steel and alloy steel with yellow print, black print, oil or zinc ...