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焊管用作换热管在国外和我国引进的工程中已大量使用,且有二十多年历史。过去因我国生产的焊管质量不过关,故未纳入标准。广东顺德华丰不锈钢焊管厂有限公司(以下简称华丰厂)引进了德国的成套设备及技术,其生产的焊管在质量上、技术上均达到国际水平,可按美国ASTM—A249/A249M—90”锅炉过热器和冷凝器用焊接奥氏体钢传热管技术条件”生产供货。全国压力容器标准化技术委员会邀请专家们审定华丰厂的产品质量后,制订了由国家技术监督局批准发布
Pipe for heat exchange tubes in foreign countries and China has introduced a large number of projects, and more than 20 years of history. In the past due to the quality of our production of welded pipe, however, it is not included in the standard. Guangdong Shunde Huafeng Stainless Steel Welded Pipe Plant Co., Ltd. (hereinafter referred to as Huafeng Factory) introduced the complete set of equipment and technology in Germany. The welded pipe produced by it meets the international standard both in quality and technology. According to ASTM-A249 / A249M-90 “Boiler superheater and condenser with austenitic steel heat transfer tube technology” production and delivery. National Pressure Vessel Standardization Technical Committee invited experts to review Huafeng plant product quality, formulated by the State Bureau of Technical Supervision approved the release