Product Name: Stainless Steel Concentric Reducers
Design Standard: ASME B16.9
Material: ASTM A403 WP316/316L, Stainless Steel
Size: 6 Inch * 4 Inch, DN150*DN100
Wall Thickness: SCH 40
End Connection: Butt Welded
Source: https://www.landeepipefitting.com/stainless-steel-concentric-reducers-a403-wp316-316l-6-4-in.html