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Discussion Forums - The Hendrix Group
HomeHomeDiscussionsDiscussionsMaterial Select...Material Select...Hardness of ASTM A-182 GR F5 after annealHardness of ASTM A-182 GR F5 after anneal
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6/14/2006 9:00 AM
 
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Our customer supplied roller rings for anneal. We have performed an anneal heat treatment cycle per ASTM A182 table 1 with resulting hardness of 375 BHN. This seems a high hardness for an anneal. Does anyone have any experience with hardness of this material in the annealed condition? Regards Fritzcoinc
 
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6/16/2006 9:00 AM
 
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Fritzcoinc: A hardness of 375 BHW also seems high to us after a true anneal. David Hendrix The Hendrix Group Inc.
 
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6/16/2006 9:00 AM
 
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Since posting this question I have learned that the reduction ratio from billet to ring is 25:1. So total reduction to ingot is greater than that. Would that have some affect on this materials abillity to respond to an anneal? Regards Fritzcoinc
 
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6/22/2006 9:00 AM
 
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Fritzcoinc: An anneal above the AC3 transformation temperature should soften the material regardless of the reduction ratio of the original billet. Hope this helps! David Hendrix The Hendrix Group Inc.
 
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