摘要：【中文】本发明公开了一种抗时效性低碳Al镇静钢带及其生产方法，所述钢带化学成分组成及其质量百分含量为：C：0.020～0.060%、Mn：0.10～0.30%、S≤0.015%、P≤0.015%、Si≤0.03%、Als：0.030～0.060%、Mo：0.010～0.030%、B：0.0010～0.0020%、N≤0.0030%，其余为Fe和不可避免的夹杂；所述生产方法包括冶炼、连铸、热轧、冷轧、连续退火工序。本发明抗时效性低碳Al镇静钢带经150℃保温10min人工时效后，钢带拉伸曲线无屈服平台，屈服强度160～290MPa，抗拉强度280～410MPa，伸长率A₈₀≥32%。 【EN】The invention discloses an anti-aging low-carbon Al killed steel strip and a production method thereof, wherein the steel strip comprises the following chemical components in percentage by mass: c: 0.020 to 0.060%, Mn: 0.10-0.30%, S is less than or equal to 0.015%, P is less than or equal to 0.015%, Si is less than or equal to 0.03%, Als: 0.030 to 0.060%, Mo: 0.010-0.030%, B: 0.0010-0.0020 percent, less than or equal to 0.0030 percent of N, and the balance of Fe and inevitable impurities; the production method comprises the working procedures of smelting, continuous casting, hot rolling, cold rolling and continuous annealing. After the anti-aging low-carbon Al killed steel strip is artificially aged at the temperature of 150 ℃ for 10min, the tensile curve of the steel strip has no yield platform and the yield strength160 to 290MPa, tensile strength of 280 to 410MPa and elongation A₈₀≥32%。

摘要：【中文】本发明公开了一种含硼酸洗钢带的制造方法，其特征在于，所述钢带中硼元素的质量百分含量为：B：0.0020‑0.0100%；在热轧过程中控制热轧后终冷温度，酸洗前采用拉矫破鳞，控制酸洗工序中的酸液温度和酸液浓度，获得良好表面质量的钢带。热轧酸洗钢带的组织由铁素体、珠光体、贝氏体和马氏体组成。本发明对轧后冷却、酸洗过程工艺参数控制，最终获得具有良好表面质量的含硼酸洗钢带。 【EN】The invention discloses a manufacturing method of a boron-containing pickled steel strip, which is characterized in that the steel strip contains the following boron elements in percentage by mass: b: 0.0020 to 0.0100 percent; and controlling the final cooling temperature after hot rolling in the hot rolling process, adopting straightening and scale breaking before pickling, and controlling the acid liquor temperature and the acid liquor concentration in the pickling process to obtain the steel strip with good surface quality. The hot-rolled pickled steel strip has a structure composed of ferrite, pearlite, bainite and martensite. The invention controls the technological parameters of the cooling and pickling processes after rolling, and finally obtains the boron-containing pickled steel strip with good surface quality.