Product Name: ASTM A234 WPB Equal Tees
Material: Carbon Steel ASTM A234 WPB
Size: 4 Inch, DN100
Wall Thickness: SCH STD
End: Butt Weld
Surface Treatment: Black Painting
Source: https://www.landeepipefitting.com/carbon-steel-equal-tees-astm-a234-wpb-4-inch-sch-std-bw.html