Thread: 631 vs. 853 steel
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Old 09-17-02 | 07:46 PM
  #15  
pokey
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D*ALEX.....631 is the SAME as 853,except that it is NOT heattreated. 753 and 531 are the heattreated and non heattreated manganeese-moly tubes.
Last edited by pokey; 09-17-02 at 07:49 PM.
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