1.prpdouct name: pipe steel flange 2.Standard: ANSI B16.47 Series A Flange 3.Size: 1/2"-84" 4.Types of Flanges : Weldnecks Product name: FlangeStandard: ANSI B16.47 Series A Flange Material: Carbon Steel: ASTM A105, ASTM A350 LF1, LF2 CL1/CL2 LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70 Size: 1/2"-84" Types of Flanges Available: Weldnecks, Slip-Ons, Threaded, Blind, ...