Product Name: ASTM A105 Weld Neck Flanges
Type: Weld Neck Flanges (WN)
Design Standard: ASME B16.5
Material: ASTM A105, Carbon Steel
Size: 6 Inch, DN150
Pressure: Class 150 LB, PN20
Wall Thickness: SCH 40
Surface Treatment: Black Painting
Source: https://www.landeeflange.com/astm-a105-weld-neck-flanges-asme-b16-5-6-in-cl150-sch-40.html