Product Name: Carbon Steel 45 Degree Elbows
Type: 45 Degree Elbow, Long Radius
Design Standard: ASME B16.9
Material: Carbon Steel ASTM A234 WPB
Size: 12 Inch, DN300
Wall Thickness: SCH 40
Surface Treatment: Black Painting

Source: https://www.landeepipefitting.com/carbon-steel-45-degree-elbows-asme-b16-9-a234-wpb-12-inch.html