DIN SAE flange 1.Size: 1/2"--72" 2.Type: Weld Neck,Slip-On,Blind,Socket Weld ect. 3.Standards: ANSI,API 6A ,DIN Flange Type Weld Neck,Slip-On,Blind,Socket Weld,LapJoint,Threaded,Spec–blind,anchor,swivel Size 1/2"-72"Class150#,300#,400#,600#,900#,1500#,2500# Specification Carbon Steel ASTM A105/A694 F42/46/52/60/A350 LF2 Stainless Steel ASTM A182 F304/304L/316/316L Alloy Steel ASTM A182 F1/F5/F9/ ...