The slab surface crack occurred in the process is analysed, and the improving measures are put forward. The good effects have been obtained.
对生产中出现的表面裂纹进行分析研究，提出改进措施，取得较好的效果。
The results show that the surface longitudinal crack of hot-roll Q345B medium plate is caused by inclusion and surface longitudinal crack of slab.
结果表明，热轧Q 345 B中厚板表面纵裂纹是由于铸坯中存在夹杂物及铸坯纵裂引起的。
The stress required for producing internal crack decreases since there are loci of cracks in the slab caused by the surface crack, so the longitudinal cracks from inner to surface form easily.
由于铸坯表面裂纹形成的裂纹灶，降低了产生内裂所需要的应力值，易于形成内、外相连的纵裂。
Being a more serious defect, transverse crack on slab surface is very harmful to slab production and quality.
铸坯表面横向裂纹是连铸坯较严重的缺陷，其对铸坯的生产和质量危害很大。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation of microalloyed slab.
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
This paper analyzes the composition of liquid steel on the high - temperature mechanical property of steel and longitudinal surface crack of CSP slab.
从钢水成分影响钢的高温力学性能的角度，研究钢水成分对钢的高温力学性能和CSP薄板坯表面纵裂的影响。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation ofm...
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
The longitudinal surface crack on thin slab is a serious quality defect at thin slab continuous casting and rolling process.
薄板坯表面纵裂是连铸连轧生产线上的严重质量缺陷。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation of microalloyed slab. E…
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
The research results showed that the slab surface temperature dropping into the third brittle zone played an important role in causing transverse crack formation of microalloyed slab. E…
研究表明，铸坯表面温度落入钢的第三次脆性温度区是造成铸坯表面横裂的一个重要原因。
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