Product Name: ASTM A234 WPB 45 Degree Elbow
Type: Seamless Elbow, 45°, LR
Standard: ASME B16.9
Material: ASTM A234 WPB
Size: 22 Inch (DN550)
Wall Thickness: SCH 10
End Connection: Butt Weld (BW)
Surface Treatment: Anti-Rust Black Painting
Source: https://www.landee.cn/astm-a234-wpb-45-degree-elbow-asme-b16-9-22-in-sch-10-bw.html