ERW STEEL PIPE RAW MATERIAL
The raw material for producing ERW steel pipe is steel strips. Rolled steel strip is all kinds of enterprises in order to adapt to different industrial sectors of industrial production needs of various types of metal or mechanical products and production of a long narrow plate. Also known as steel strip, it is less than the width of 1300mm, a length slightly different depending on the size of each volume. Usually strip in rolls, with high dimensional accuracy, good surface quality, ease of processing, the advantage of saving materials. Same with steel, strip steel used according to the material is divided into ordinary steel and high-quality steel categories; divided according to the processing method of hot-rolled strip, cold-rolled strip steel two kinds.