... -CL3000 3.Standard : ASME, GB, DIN, JIS 4.Material : A105... Steel Flange Type Weld Neck,Slip-On,Blind,Socket Weld,Lap ... Class 150#,300#,400#,600#,900#,1500#,2500#,3000# Specification Carbon Steel ASTM A105/A694 F42/46/52/60/A350 LF2 ... F1/F5/F9/F11/F22/F91/Etc. Duplex stainless steel ASTM A182 F51/F53/F55/F60 Nicke alloys Nickel ... : 5-30 days Country of Origin : Cangzhou , China Carbon steel flange