摘要
即将颁布的国家标准GB/T4437.2为首次颁布。介绍了本标准的编制过程及对有缝管材尺寸偏差、力学性能、表面质量等方面的规定。对主要技术指标的确定做了说明。阐述了新标准执行过程中可能出现的问题。
The national standard GB/T4437.2is first issued.The article introduced the drawing process.The requirements of dimensions,mechnical properties,surface quality on aluminium alloy seam tubes are explained.The problems that will appear on carry out period are explained.
出处
《轻合金加工技术》
CAS
2003年第6期29-32,共4页
Light Alloy Fabrication Technology
