SS316 flange 1.certificate:ISO9001,ABS,BV 2.material:ss202,304,304l,316,316L,321 3.Good price High quality and ... 8''~160''TypeLap-Joint Flange (LJ), Socket-welded Flange (SW), Slip-on Flange (SO), Welding-Neck Flange (WN), Threaded Flange (TH), etc. ... Special design available according to requirement2. anti-corrosion and high-temperature resistant with black painting3. All the production process ...