Blind Flange 6",Carbon Steel 1.from 1/2'' to 24'' 2.T/T,L/C 3.ISO 9001:2000,SGS,BV,etc FLANGESProduction NameSlip-on welding flange;welding nece flange;socket welding flange;threaded flange;lapped flange;blind ;spectacle blind,etc.Size RangeFrom ½” up to 60” ScheduleSCH STD, XS, XXS, SCH 10 ~ SCH 160Material Code:1 CARBON STEELASTM A105, ASTM A350 LF1/ LF2/LF3, ASTM ASTM A694 F42/F46/F52/F56/F60/ ...