1概述工、模具钢在合金钢生产领域中占有非常重要的地位，其标准也自成体系。随着工业制造业的飞速发展，带动了工具、模具制造业的快速发展，为了满足工、模具的制造需要，对工、模具钢木断提出了新的要求，世界各国在工、模具钢的产量、品种、规格、质量、检测手段及新产品科 1 Overview Workers, tool steel in the production of alloy steel occupies a very important position, the standard is also self-contained system. With the rapid development of the industrial manufacturing industry, the rapid development of tools and mold manufacturing industries has been driven. In order to meet the needs of the manufacturing of molds and dies, new requirements have been put forward on the cutting of steel and mold steel. In the world, Output, variety, specifications, quality, testing methods and new product division