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不锈钢无缝钢管是石油、化工、化肥、核电、医药、仪器、仪表、食品等行业的重要原材料。随着国民经济的发展,不锈钢无缝钢管的应用领域越来越广,需求量越来越大。为了适应这种形势的需要,生产不锈钢无缝钢管的企业,“七五”和“八五”期间增加很多。目前除国有重点企业外,还有不少与国有定点企业联营的集体企业、合资企业、以及大量的乡镇集体企业。这些年来,许多企业,特别是乡镇企业,在生产装备和工艺技术等方面都有了较大改进,许多企业都将固溶处理由电接触加热改为采用连续辊底式
Stainless steel seamless pipe is the oil, chemical, fertilizer, nuclear power, medicine, instruments, meters, food and other industries an important raw material. With the development of the national economy, stainless steel seamless pipe applications more widely, the demand is more and more. In order to meet the needs of this situation, the enterprises producing stainless steel seamless pipe increased a lot during the “Seventh Five-Year” and “the Eighth Five-Year Plan” periods. At present, besides state-owned key enterprises, there are also many collective enterprises, joint ventures and joint ventures with state-owned fixed-point enterprises, as well as a large number of collective-owned township and village enterprises. In recent years, many enterprises, especially township and village enterprises, have made great improvements in production equipment and process technology. Many enterprises have changed the solution treatment from electrical contact heating to continuous roller bottoming