analyze and discuss the standard of alloy tool steel on the basis of producing experience, analyze problems exsited in the new standard and also propose suggestions and content.
据生产实践,对合金工具钢标準进行了分析和探讨,提出新标準中一些问题的同时,还提出些建议内容。
in this artical the selection of material of cast alloy tool steel roller rings for straightener, manufacturing process and related technical properties are reviewed.