Spiral steel pipe is a spiral seam steel pipe with steel reel as raw material, which is often heated and extruded, and welded by automatic double wire double-sided submerged arc welding process. The spiral steel pipe feeds the strip into the welded pipe unit. After rolling a plurality of rolls, the
Spiral welded pipe common forging equipment commonly used hammer, hot die forging press, horizontal forging machine and friction press. The basic process of die forging process die forging process: cutting, heating, forging, forging, stamping, cutting edge, quenching and peening. Common processes ar
In the first half of 2019, India overtook South Korea to become the world's second largest importer of scrap steel. According to data released by the Indian Ministry of Commerce, India’s scrap imports in the first half of the year increased by 35% to 3.87 million tons, of which the two major supplie
Steel is divided into four categories, namely: plate, tube, type, wire. Steel is one of these four categories. Our daily steel is divided into simple section steel and complex section steel according to the shape of the section. Our well-known 304 stainless steel plate can also be a type of steel. B
