Product Name: ASTM A234 WP11 Concentric Reducer
Type: Seamless Concentric Reducer
Design Standard: ASME B16.9
Material: ASTM A234 WP11
Size: 6 * 4 Inch, DN150*DN100
Wall Thickness: SCH 40
End Type: Butt Welded
Surface Treatment: Anti-Rust Black Coating
Source: https://www.landeepipefitting.com/seamless-concentric-reducer-asme-b16-9-a234-wp11-6-4-in.html