US2009246065A1PendingUtilityA1

Alloy, shaft made therefrom, and motor with shaft

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Assignee: YAMADA HIROSHIPriority: Mar 26, 2008Filed: Oct 22, 2008Published: Oct 1, 2009
Est. expiryMar 26, 2028(~1.7 yrs left)· nominal 20-yr term from priority
Inventors:Hiroshi Yamada
C22C 38/001C22C 38/02C22C 38/60C22C 38/20C22C 38/38
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Claims

Abstract

A nonmagnetic austenitic stainless steel consists of, all by weight %, 1.5 to 3.5% of Cu, 8.5 to 9.5% of Mn, 0.18 to 0.22% of C, 0.5 to 1.0% of Si, 16.5 to 17.5% of Cr, 0.15 to 0.2% of N, 0.13 to 0.3% of S, and the balance of Fe and inevitable impurities.

Claims

exact text as granted — not AI-modified
1 . A nonmagnetic austenitic stainless steel consisting of, all by weight %, 1.5 to 3.5% of Cu, 8.5 to 9.5% of Mn, 0.18 to 0.22% of C, 0.5 to 1.0% of Si, 16.5 to 17.5% of Cr, 0.15 to 0.2% of N, 0.13 to 0.3% of S, and the balance of Fe and inevitable impurities. 
   
   
       2 . A shaft for a motor made of said nonmagnetic austenitic stainless steel recited in  claim 1 . 
   
   
       3 . A motor using said shaft recited in  claim 2 . 
   
   
       4 . The motor according to  claim 3 , wherein said motor is used as a stepping motor.

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