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China Wholesale 3pe Steel Pipe Factories - High Quality Galvanized Steel Plate – Xinsuju
product type Galvanized steel plate is divided into ordinary electrolytic plate and fingerprint resistant electrolytic plate. Fingerprint resistant plate adds a fingerprint resistant treatment on the basis of ordinary electrolytic plate, which can resist sweat. It is generally used on parts without any treatment, and the brand is secc-n. Ordinary electrolytic plate can be divided into phosphating plate and passivation plate. Phosphating is commonly used. The brand is secc-p, commonly kno... -
China Wholesale Square Pipe Fittings Manufacturers - High Quality Square Steel Pipe – Xinsuju
Product Desscription As the name suggests, square pipe is a kind of square pipe type. Many materials can form square pipe body. It is used for what purpose and where. Most square pipes are steel pipes, which are unpacked, leveled, crimped and welded to form round pipes, which are rolled into square pipes, and then cut to the required length. Generally, there are 50 square tubes in each package. In terms of spot, most of them are in large specifications, ranging from 10 * 10 * 0.8-1.5 ~ ~... -
China Wholesale 120×120 Square Pipe Suppliers - High Quality Seamless Steel Pipe – Xinsuju
Production Process The general production process of seamless steel pipe can be divided into cold drawing and hot rolling. The production process of cold-rolled seamless steel pipe is generally more complex than hot rolling. The pipe blank must first be subject to three roll continuous rolling, and the sizing test shall be carried out after extrusion. If the surface does not respond to the crack, the round pipe must be cut by a cutter to cut the blank with a growth of about one meter. Th...