Product Item: Carbon Steel Pipe Elbow, Oil Transport
Material: ASTM A234 WPB
Size: 4 Inch
Wall Thickness: 6.35 mm
End Connection: BW
Surface Treatment: Black Coating
Source: https://www.landee.cn/carbon-steel-pipe-elbow-astm-a234-wpb-4-in-wt-6-35-mm-bw.html