Title:
STOCK COMPOSITION FOR LOAD WHEEL AND METHOD FOR PRODUCING ROAD WHEEL
Document Type and Number:
Japanese Patent JP2004091914
Kind Code:
A
Abstract:
To provide a stock composition for an automobile road wheel which has high surface hardness and high strength properties after heat treatment, and to provide a method for producing an automobile road wheel in which the characteristics of the stock are made the most of.
The stock composition for an automobile road wheel is obtained by using iron as the main material and incorporating specified amounts of carbon, silicon, manganese, phosphorus, sulfur, aluminum, titanium, niobium, chromium and boron therein. The stock composition is formed into a road wheel rim, and the end parts of the road wheel rim are subjected to high frequency heat treatment, are cooled by the jetting of cooling water, and are hardened.
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Inventors:
SHIN CHIRL SOO
Application Number:
JP2002370711A
Publication Date:
March 25, 2004
Filing Date:
December 20, 2002
Export Citation:
Assignee:
HYUNDAI MOTOR CO LTD
International Classes:
B60B3/00; B60B3/04; C21D9/34; C22C38/00; C22C38/38; (IPC1-7): C22C38/00; B60B3/00; C21D9/34; C22C38/38
Attorney, Agent or Firm:
Kyosei International Patent Office