Galvanized Steel Pipe Customized

                                                                                                   What is ERW Steel Pipe？ ERW Steel Pipe is manufactured by low-frequency or high-frequency resistance "resistance". They are round pipes welded from steel plates with longitudinal welds. It is used to transport oil, natural gas and other vapor-liquid objects, and can meet various requirements of high and low pressure. ERW steel pipe "is a straight seam resistance welding pipe, English Electric Resistance Welding, abbreviated simply referred to as ERW, for transporting oil, gas and other vapor-liquid objects meet high and low voltage requirements, the current conveying pipe in the art world accoun…