... Weld Neck Slip on Lap Joint Flange 1.Standard:ANSI ASME,DIN,GB 2.Material:Cr25Ni35,HK40,steel 3.ISO9001:2008 Weld ... Neck Slip on Lap Joint Flange Varieties: threaded flange, slip-on flange (SO), socket ... galvanization or colored electroplate, powder coating and so on. Detailed information as follows:1.Standard:ANSI,ASTM, ... . 13.Payment:L/C,T/T Weld Neck Slip on Lap Joint Flange