Product Name: ASTM A234 WPB Equal Tees
Design Standard: ASME B16.9
Material: Carbon Steel ASTM A234 WPB
Size: 4 Inch, DN100, 100 mm
Wall Thickness: SCH 40
External Coating: Black Paint

Source: https://www.landeepipefitting.com/astm-a234-wpb-equal-tees-asme-b16-9-carbon-steel-4-inches.html