【摘要】 介绍了高压加热器用ASME SA-556M C2级“U”形换热管的国内外技术水平,比较了国产管与进口管的性能。结果表明国产“U”形管能满足ASME规范的要求,也达到国外同类产品质量水平。更多还原

【Abstract】 Technical levels of ASME SA-556M C2 "U" shaped heat exchanging tubes for high pressure heaters manufactured at home and abroad are being presented,together with a comparison between the properties of domestic and imported products.Comparison results show that domestic produced "U" shape tubes meet of ASME code requirement,equivalent in quality with similar oversea products.Furthermore,the application status of domestic "U" tubes used in high pressure heaters is also mentioned.更多还原