Recently, Hebei Iron and Steel Group Handan Iron and steel company has successfully produced more than xtcr3a300 tons of alloy billet for roll. The product quality has been fully recognized by famous roll manufacturers in China. The composition, surface hardness, internal and external quality and other indicators meet the requirements.
It is reported that xtcr3a is a roll steel, which is different from the existing index requirements of conventional alloy steel. On the basis of inclusion, gas content and other requirements, it also puts forward specific index requirements for the surface hardness of the slab, and at the same time, it is very strict for the process requirements. The smooth production of the steel provides technology accumulation for the development of higher grade roll steel.
