Insimbi yepayipi impahla iyi-non-alloy low carbon steel.Indlela yobuchwepheshe yokukhiqiza amapayipi i-ERW eshiselwe ngomthungo we-longitudinal.Izindinganiso zomkhiqizo ziyakwazi ukuhambisana ne-ASTM A500, ASTM A53, ASTM A795, BS1387, BS EN10255, EN 10219, BS 1139, BS 39.