... blind ;spectacle blind,etc.2. Material: stainless steel,carbon steel,alloy steel 3. Size range: From ½” ... XS, XXS, SCH 10 ~ SCH 160Material Code:1 CARBON STEELASTM A234 WPB, WPC; ASTM A420 WPL9, WPL3, ... , XXS, SCH 10 ~ SCH 160Material Code:1 CARBON STEELASTM A105, ASTM A350 LF1/ LF2/LF3, ASTM ... coupling,cap,plug,union,hex nipple ,swage nipple,bushing,cross,outlet,etc.connecting typesocket weld or threaded ...