我国轧钢技术发展的具体目标是 :( 1)国民经济各行业所需钢材品种大多立足于国内 ,市场自给率达 95 % ,关键品种满足率为 80 %。品种结构调整达到板管比45 % ( 1997年为 40 .3% ,1998年为 41% )。( 2 )按国际标准和国际先进标准水平组织生产钢材为 85 %左右 ,达到世界主要产钢 The specific objectives of rolling technology development in China are: (1) Most of the steel products needed in various sectors of the national economy are based on the domestic market with the market self-sufficiency rate of 95% and the key species satisfaction rate of 80%. The structural adjustment of the varieties reached 45% of the tube-to-tube ratio (40.3% in 1997 and 41% in 1998). (2) According to the international standards and international advanced standards, the production of steel is about 85%, reaching the world’s major steel-making