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AUTOMOBILE SUSPENSION PART AND MANUFACTURING OF THE SAME

  • US 20110221151A1
  • Filed: 03/08/2011
  • Published: 09/15/2011
  • Est. Priority Date: 03/15/2010
  • Status: Active Grant
First Claim
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1. An aluminum alloy automobile suspension part having a through-hole, whereina yield strength of a normal section as a region where a crystal grain is not coarsened is 270 MPa or larger, anda minimum length between a rib end as a predetermined region on a side of the through-hole in a rib and a through-hole end as a predetermined region on a side of the through-hole in a web is 6 mm or larger.

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