Product Name: Carbon Steel 90° Elbow
Type: 90 Degree Elbow
Material: ASTM A234 WPB, Carbon Steel
Size Range: 4-8 Inch, DN100-DN200, 100-200 mm
Wall Thickness: SCH STD
Ends: Butt Weld (BW)
Surface Treatment: Black Paint Coated
Source: https://www.landeepipefitting.com/carbon-steel-90-elbow-a234-wpb-4-8-inch-dn100-dn200-bw.html