WN RF 600# S-40S

WN RF 600# S-40S Forged flanges 1.Type: Weld neck(WN) 2.Materials:ASTM A105; A350 LF2; A694 F42, F46, F52, F56, A182 F12/F22/F5/F9/ F91; A182 F304/F304L/F316/F316L, etc. 3.Size:1/2”~60”, as the clients’ requests; 4.Class: 150 300 400 600 900 1500 2500; PN6,PN10,PN16,PN25,PN40;5K,10K,16K,20K,30K 5.Standard: ASME B16.5, ASME B16.47, MSS SP43, EN1092,DIN, JIS;