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

Source: https://www.landee.cn/asme-b16-9-seamless-elbow-a234-wpb-6-inch-overlay-welding.html