ERW welding round pipes also is called as Electric Resistance Welded Pipes.This type of steel pipes and tubes are widely used in various fields such as engineering purposes, ຮົ້ວ, scaffolding, ທໍ່ເສັ້ນແລະອື່ນໆ ERW ທໍ່ເຫລໍກແລະທໍ່ມີຢູ່ໃນຄຸນນະພາບຕ່າງໆ, ຄວາມຫນາຂອງຝາ, ແລະເສັ້ນຜ່າກາງຂອງທໍ່ສໍາເລັດຮູບ.
