Product Name: ASTM A234 WPB Seamless Elbows
Type: 90 Degree Seamless Elbow, Long Radius
Design Standard: ASME B16.9
Material: ASTM A234 WPB, Carbon Steel
Size: 6 Inch, DN150
Wall Thickness: SCH 120
Overlay Welding:
First layer: Ni-1
Second layer: ENiCu-7 (Nickel-Copper)
Total Overlay Thickness: 3 mm

Source: https://www.landeepipefitting.com/astm-a234-wpb-seamless-elbows-90-degree-6-in-sch-120-lr.html