Carbon Steel Welded Pipes SURYA ERW PIPES Wall Thickness: Sch 30 Sch 40Size Range: ½” to 16” (above on demand)Standards: UL – ASTM A53 Grade BApplication: Water Systems & Fire SystemsMaterial: Black and GalvanizedOrigin: India AL JAZEERA ERW PIPES Wall Thickness: Sch 30 Sch 40 Size Range: ½” to 8” (above on demand) Standards: UL – ASTM A53 Grade B Application: Water Systems