Good lubricating performance, smooth surface of hot rolled products.

润滑性能好，热轧制品表面光洁。

The over burnt temperature of the 7B04 alloy hot rolled heavy plate is 481.

分析结果表明：（1）7B04铝合金热轧厚板的过烧温度为481。

The scale defect is an important influence factor on surface quality of hot rolled strip.

氧化铁皮缺陷是影响热轧带钢表面质量的重要因素之一。

The reformation of coiling temperature control system for hot rolled strip was applied double steps.

针对卷取温度控制系统分步改造的特点，实施了双重化改造方案。

The composition and forming mechanism of black strips on Al-Zn-Mg-Cu hot rolled plates were studied.

研究了热轧高锌合金板材表面黑条缺陷的成分、产生机理及消除方法。