Thick plates have different classification standards, and are generally called steel plates with a thickness of more than 6 mm.
The main conditions and characteristics include chemical composition, material, size, shape, surface, internal quality, etc. Processability and weldability are required according to the application. Cold-rolled products are high-grade steel products with smooth surfaces and good processing properties. With the improvement of living standards, they have become an important material in modern society. POSCO's cold-rolled steel plate factories are located in Pohang (2 plants) and Gwangyang (4 plants), with an annual production of 9.27 million tons of cold-rolled steel plates.
This product is used in a wide range of applications, from home appliances such as automobiles and washing machines to industrial machinery and various building materials. With the increasing demand for steel cans and steel structure residential buildings, it is gradually expanding into high value-added products. needs. Silicon steel sheet is a product with electromagnetic properties. Recently, the increasing importance of energy-saving and environmentally friendly clean energy has increased the demand for this product. According to the rolling direction, it can be divided into oriented silicon steel sheets and silicon-free steel sheets.
POSCO produces 650,000 tons of silicon steel sheets annually, which are mainly used as steel core materials for electrical appliances and electronic products. As a high value-added steel, stainless steel is a kind of special steel with the advantages of good appearance quality, strong corrosion resistance and strong practicality. POSCO has formed a complete stainless steel production system at Pohang Steel Works, with an annual production capacity of 1.59 million tons of stainless steel.
It is mainly used in automobile exhaust pipes, kitchen utensils, electronic products, etc., and is used in the construction of Incheon International Airport in South Korea and the Sangam-dong World Cup football stadium. As exterior wall and roofing materials, it has received widespread attention.