1) quality structural round steel
优质圆钢
1.
Under the existing conditions of technological equipment and the least investment, the 650 roughing pass were improved in the process of rolling the quality structural round steel of Φ55～Φ70 for increase the percent passing of hot upset forging and satisfy the demand of market.
为满足市场需求,提高优质圆钢热顶锻合格率,第三轧钢厂根据现有工艺装备条件,在投资不大的前提下,对使用1802连铸坯轧制Φ55～Φ70优质圆钢的粗轧650孔型进行适应性改进。
2) 45 Quality roud steel
45优质圆钢
1.
45 Quality roud steel fractured during forging.
45优质圆钢在镦制产品坯料后发生层裂。
3) cracks in the round steel 20
20优质圆钢裂纹
4) Quality Steel
优质钢
1.
It is applicable for quality steel production and its used quantity of no excess of 20% is better.
试验证明，海绵铁能够稀释钢中Ｓ、Ｐ等有害残余元素，适合于生产优质钢，其用量以不超过２０％为宜。
2.
High flexibility and performances have been reached on a wide range of quality steel grades.
铸机具有良好的牛产操作灵活性和卓越的设备性能,可生产范围广泛的各类优质钢种。
5) fine steel grade
优质钢种
6) quality strip steel
优质带钢
1.
Analysis of the skin rising of the surface of cold－ rolled－ 65Mn quality strip steel;
冷轧65Mn优质带钢表面起皮分析
补充资料：优质
1.质量优良。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条