Product Name: Inconel 625 Weld Neck Flange, ASTM B564 UNS N06625
Standard: ASME B16.5
Material: ASTM B564 UNS N06625, Inconel 625
Size: 6 Inch, DN150
Pressure Rating: Class 900 LB, PN150
Facing: RTJ
Package: Wooden Case

Source: https://www.landeeflange.com/astm-b564-uns-n06625-wn-flange-asme-b16-5-6-in-cl900-rtj.html