矿用70Mn2合金钢磨棒试轧质量控制分析

Analysis of Quality Control during Research and Development of 70Mn2 Mine -grinding Alloy Steel Bar

阐述了矿用70Mn2舍金钢磨棒的技术要求，介绍昆钢试制开发矿用70Mn2合金钢磨棒的生产工艺、质量控制及用户使用的简要情况。通过相关项目分析，提出了现在70Mn2合金钢磨棒品种批量试生产在质量控制方面仍存在的一些不足之处及改进措施。

The technical working condition of 70Mn2 mine - grinding alloy steel bar was explained in this article. A brief introduction of research and development of this type of steel was also carried out, including the rolling procedure, quality control and the application. By analyzing subjects above, some aspects of shortcomings during the batch production and quality control were mentioned as well, with the aim to a continuous improvement in qualific management.