国内大容积气瓶用无缝钢管发展概述

介绍了国家标准对大容积气瓶用无缝钢管的技术要求;详述了国内大容积气瓶用无缝钢管常见制造工艺,技术上的不断进步促使产品的尺寸范围不断扩展,综合性能和制造精度得到了大幅度提升,降低了制造成本。分析认为:依靠技术进步和科技创新开发新材料,并将新的炼钢和轧钢工艺以及先进的无缝钢管制造方法应用于制造大容积气瓶用无缝钢管,在保障气瓶的安全性和可靠性的前提下,促进大容积气瓶的轻量化发展,是今后大容积气瓶用无缝钢管的发展趋势。

Summary of Domestic Development of Seamless Steel Tubes for Large-capacity Gas Cylinder Service

Described here in the essay are the technical requirements for the seamless steel tube for large-capacity gas cylinder service as specified under applicable National Standard. Also detailed are the domestic conventional manufacturing processes for such tubes. Thanks to the continuously-made technological progresses in the very field, the product size range is being expanded, the product comprehensive performance and manufacture precisions are remarkably improved, and the production costs have been reduced. Based on the analysis the development trend of the said tube for large-capacity gas cylinder service is pointed out, i.e., developing new material with support by technological progress and technical innovation, employing the latest steel-making and steel-rolling processes, and the advanced seamless steel tube manufacturing processes to produce the seamless steel tube, promoting the light-weight development of the seamless steel tube on the premise of guaranteeing safety and liability of the product.