Steel for enamel and production method thereof
一种制造方法、搪瓷的技术,应用在钢种及其制造领域,能够解决密着瓷层剥落等问题,达到良好塑性、高强度的效果
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[0054] Manufacture the steel for enamelling of the present invention according to the following steps, control the chemical element ratio of each embodiment as shown in Table 1 (see Table 2 for the specific process parameters of each embodiment):
[0055] (1) Smelting, vacuum degassing: Iron oxide powder is added during the smelting process. The amount of iron oxide powder added is 0.40-2.50 kg per ton of steel. After adding, stir fully. The stirring time does not exceed 30 minutes, so that O≥0.010 in molten steel ~0.050%; blow argon and stir after vacuum degassing, control H<2ppm in the steel, when N≥(0.002~0.015wt%), blow nitrogen after vacuum degassing treatment;
[0056] (2) Continuous casting;
[0057] (3) Hot rolling the cast slab: control the hot rolling heating temperature at 950-1200°C, and roll in two stages. The first stage is rolled in the austenite zone at a temperature of 900-1100°C. Rolling in the body area, the final rolling temperature (FT, °C) satisfies the ...
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