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Discussion Forums - The Hendrix Group
HomeHomeDiscussionsDiscussionsMaterial Select...Material Select...MN testing of Low fin tube (Grade 44300)MN testing of Low fin tube (Grade 44300)
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5/18/2009 9:00 AM
 
We are using low fins tubes of admirality brass grade. ( SA 359- Grade 44300). Hardness on enhanced portion is 170 HV, but is not cracking in MN test. How this could happen ? I always thought that thrashold for cracking in MN test is around 120 HV. Can any body through some light ?
 
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HomeHomeDiscussionsDiscussionsMaterial Select...Material Select...MN testing of Low fin tube (Grade 44300)MN testing of Low fin tube (Grade 44300)


  

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