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What is the best Al/N ratio in steel castings or forgins ?

What is the best Al/N ratio in steel castings or forgins ?

What is the best Al/N ratio in steel castings or forgins ?

(OP)
Is there any best Al/N ratio  :

1- to avoid alumnium embritllement
2- To get the maximal Charpy Test value ?

A colleague tell me that Al/N ratio must bes greater than 2 is that true ?

Thanks

 

RE: What is the best Al/N ratio in steel castings or forgins ?

stan,

See my response in the following thread for some information on Al:N ratio for wrought products like forgings, bars, etc.  It is a long thread and my response is near the bottom.

thread330-122492: 4140 Threaded Stud Failure

RE: What is the best Al/N ratio in steel castings or forgins ?

(OP)
TVP :

In the "HEVEAN of the metallurgy" your are a great ANGEL !

Thanks

 

RE: What is the best Al/N ratio in steel castings or forgins ?

blush
Thank you very much for the compliment.  I am glad that you found the information helpful.
 

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