Stainless Steel Slip On Flange 1/2" to 48" Stainless Steel, Carbon Steel Description: Slip-On FlangeSize: 1/2" to 48"Working Pressure: Class150, Class300, Class600, Class900, Class1500Standard: ANSI B16.5Material: SS304, SS304L, SS316, SS316L, SS301, A105 Stainless Steel Slip On Flange, ANSI B16.5