Product Item: Butt Weld Concentric Reducer
Size: 4 Inch x 6 Inch
Wall Thickness: SCH 40 x SCH 40
Material: ASTM A234 WPB
End: Butt Weld
Surface: Black Painting
Source: https://www.landee.cn/butt-weld-concentric-reducers-astm-a234-wpb-4-6-in-sch-40.html