Product Name: ASTM A234 WPB Pipe Elbows
Material: ASTM A234 WPB, Carbon Steel
Size: 4 Inch, DN100
Wall Thickness: 6.35 mm
End Connection: Butt Weld
Surface Treatment: Black Coating
Usage: Oil Transport
Source: https://www.landeepipefitting.com/astm-a234-wpb-pipe-elbows-carbon-steel-4-inch-dn100-bw.html