介绍了奥氏体不锈钢晶间腐蚀的机理，讨论了C、Cr、N等元素以及加热时间、温度、冷却速度和焊接等工艺条件对晶间腐蚀的影响，并提出了相应的预防措施.
This paper introduced the mechanisms of intergranular corrosion（IGC）of 18-8 austenitic stainless steel.Some process factors affecting the IGC are discussed as wel1,in which carbon,chromium and nitrogen etc in alloys and hot working,casting,welding etc were considered.The IGC prevention methods of 18-8 austenitic stainless steel are discussed.
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