Hot-rolled pickled steel sheet for double-sided enamel with excellent enamelling performance and manufacturing method thereof

Abstract

The invention discloses a hot-rolled pickled steel plate with excellent enameling performance for double-sided enameling and a manufacturing method of the hot-rolled pickled steel plate with excellentenameling performance for double-sided enameling. The hot-rolled pickled steel plate with excellent enameling performance for double-sided enameling comprises, by weight, 0.010%-0.020% of C, 0.5%-1.0% of Mn, not larger than 0.10% of Si, not larger than 0.02% of P, 0.03%-0.05% of S, not larger than 0.01% of Als, 0.20%-0.40% of Cu, 0.03%-0.06% of Nb, 0.004%-0.010% of O and the balance Fe and otherinevitable impurities. The structure of the hot-rolled pickled steel plate is ferrite and a small amount of cementite, and a large number of spherical and linear compound type impurities are evenly distributed in steel. According to the hot-rolled pickled steel plate with excellent enameling performance for double-sided enameling and the manufacturing method of the hot-rolled pickled steel plate with excellent enameling performance for double-sided enameling, through ingredient design and smelting control, a large number of evenly-distributed impurities are formed in the steel and can be usedas traps to avoid the enamel fish-scaling defect, the fish-scaling resistance of the hot-rolled pickled steel plate with excellent enameling performance for double-sided enameling is greatly higher than that of an ordinary pickled steel plate, and the hot-rolled pickled steel plate can be used for double-sided enameling; the impurities exist in the spherical and linear composite state, a large number of plastic impurity particles exist, and therefore the adverse influence of the impurities on the machining performance of the steel plate is lowered.

Description

technical field [0001] The invention relates to the field of hot-rolled pickled steel plates for enamel, in particular to a hot-rolled pickled steel plate for double-sided enamel with excellent enamelling performance and a manufacturing method thereof. Background technique [0002] The steel plate after enamelling has the characteristics of excellent corrosion resistance, wear resistance, heat insulation and fire prevention, and is easy to clean. It is widely used in daily necessities, household appliances, industrial anticorrosion, architectural decoration and other fields. Washed steel plate and cold rolled steel plate. With the development of the enamel industry, on the one hand, users have higher and higher requirements for the quality of enamel plates. It is necessary to further improve the quality of the steel plate base material, porcelain powder, and improve the enamelling process to ensure that the product has good processing, enamelling and application performance....

AI Technical Summary

Problems solved by technology

[0008] The invention provides a hot-rolled pickled steel plate for double-sided enamel with excellent enamelling performance and a manufacturing method thereof. The hot-rolled pickled steel plate produced by the invention has less alloy usage and low production cost. Through composition and structure design, combined with pickling process and surface quality control, the problems of enamel scaling, poor adhesion and pinhole defects in pickling steel plates for enamel are solved.

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