Atmospheric CSCC Threshold Temp For 6Mo 1

[SJones]

We are probably all aware of the universally adopted limit of 60 deg C as the threshold temperature for CSCC of 316/316L stainless steels; however, the limits for 6Mo austenitics are not so readily discernible. Does anyone using these materials have a specified threshold temperature for CSCC under atmospheric exposure (marine, industrial, whatever)?

Steve Jones
Materials & Corrosion Engineer

http://www.pdo.co.om/pdo/

 

[EdStainless]

I have never seen CSCC in AL-6XN in the lab below 122C. I have never seen CSCC in a real application below 155C.

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