新型汽车尾气净化器用不锈钢焊管的研制

Research on Stainless Steel pipe used in the Car Caudal Gas Clarifier

介绍了为开发研制的新型汽车尾气净化器用奥氏体超低碳不锈钢焊管 ,阐述了该产品的主要技术要求、采用标准及研制中的工艺流程、材料、真空退火等关键技术。产品采用美国ASTM A2 4 9/ A2 4 9M标准生产 ,主要技术参数及使用性能不但达到了标准要求 ,而且有的指标还优于标准。

This article introduces the austenitic low carbon stainless pipe used in new kind of car caudal gas clarifier.It describes the main technical requirements,adopting standard and the key techniques of process,material,vacuum anneal.The product adopted standard of ASTM A 249/A249M,the technical parameters and properties are not only meet the standard requirement, but also some index superior than the standard.