Iron-based alloy for making a golf club head

Inactive Publication Date: 2009-10-01
O TA PRECISION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]Therefore, an object of the present invention is to provide an iron-based alloy for making a golf club head which has improved tensile strength while still maintaining a satisfactory ductility.

Problems solved by technology

However, since the iron-based alloy disclosed in the prior art contains a relatively high amount of nickel, the overall mechanical strength of the iron-based alloy, especially the tensile strength, will be reduced.
Therefore, the golf club head made therefrom is liable to be deformed.

Method used

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  • Iron-based alloy for making a golf club head
  • Iron-based alloy for making a golf club head

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Embodiment Construction

[0024]The iron-based alloy for making a golf club head according to this invention preferably includes: chromium in an amount ranging from 21.5 to 24.5 wt %; nickel in an amount ranging from 4.45 to 6.05 wt %; nitrogen in an amount ranging from 0.17 to 0.23 wt %; copper in an amount ranging from 1.5 to 3.5 wt %; carbon in an amount of greater than 0 wt % and not more than 0.06 wt %; silicon in an amount of greater than 0 wt % and not more than 1.0 wt %; manganese in an amount of greater than 0 wt % and not more than 1.0 wt %; and a balance of iron, based on a total weight of the iron-based alloy.

[0025]Addition of chromium into the iron-based alloy not only increases the corrosion resistance and the oxidation resistance of the iron-based alloy, but also enhances the hardenability and the high temperature strength of the iron-based alloy, and especially has a significant effect for abrasion resistance of high-carbon steel. Basically, chromium is for stabilizing the BCC ferritic phase....

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Abstract

An iron-based alloy for making a golf club head includes: chromium in an amount ranging from 21.5 to 24.5 wt %; nickel in an amount ranging from 4.45 to 6.05 wt %; nitrogen in an amount ranging from 0.17 to 0.23 wt %; copper in an amount ranging from 1.5 to 3.5 wt %; carbon in an amount of greater than 0 wt % and not more than 0.06 wt %; and a balance of iron, based on a total weight of the iron-based alloy.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The invention relates to an iron-based alloy, more particularly to an iron-based alloy for making a golf club head.[0003]2. Description of the Related Art[0004]Taiwanese Patent No I207743 discloses an iron-based alloy for making a golf club head which includes: chromium in an amount ranging from 21.8 to 24.8 wt %; nickel in an amount ranging from 7.8 to 8.8 wt %; nitrogen and carbon in an amount ranging from 0.03 to 0.12 wt %; and a balance of iron, based on a total weight of the iron-based alloy.[0005]The ductility of the iron-based alloy can be increased by adding nickel so that the moldability of the golf club head can be improved. However, since the iron-based alloy disclosed in the prior art contains a relatively high amount of nickel, the overall mechanical strength of the iron-based alloy, especially the tensile strength, will be reduced. Therefore, the golf club head made therefrom is liable to be deformed.SUMMA...

Claims

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Application Information

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IPC IPC(8): C22C38/20
CPCC22C38/001C22C38/42C22C38/04C22C38/02
InventorSU, JUI-MINGCHANG, CHUAN-HSIENCHANG, TSO-MING
OwnerO TA PRECISION IND