Product Name: ASME B16.9 Seamless Elbows
Type: 90 Degree Elbow, LR, Seamless
Standard: ASME B16.9
Material: ASTM A234 WPB
Size: 3 Inch
Wall Thickness: SCH STD

Source: https://www.landee.cn/asme-b16-9-seamless-elbows-astm-a234-wpb-90-deg-3-in-lr.html