Product Name: 90 Degree Seamless Elbow
Size: 18 Inch, DN450
Standard: ASME B16.9
Material: ASTM A234 WPB
Radius: Long Radius (LR)
Wall Thickness: SCH STD
Surface Treatment: Black Painting
End: Butt Welded
Source: https://www.landeepipefitting.com/asme-b16-9-smls-elbow-astm-a234-wpb-90-deg-18-in-sch-std.html