Importance

Loading Importance Indicators...

Abstract

A low density iron based alloy for making heads of golf clubs, the alloy consisting of essentially 28.0 to 31.5 wt % manganese, 7.8 to 10.0 wt % aluminum, 0.90 to 1.10 wt % carbon and 0.35 to 2.5 wt % titanium, and the balance being iron. Additions of 0.8 to 1.5 wt % silicon and 5.0 to 7.0 wt % chromium are optionally included in the alloy of the invention. Due to the additions of silicon and chromium, the alloy of the invention has an excellent resistance to corrosion. After the alloy has been forged or plastic worked, and then treated under a temperature from 950 degrees Celsius to 1270 degrees Celsius for 1 to 24 hours, an austenitic phase with (Ti, Fe)Cx precipitated in different content rate, the alloy obtains a low density below 6.6 g/cm.sup.3 and distributed within a range of 6.1 to 6.6 g/cm.sup.3, therefore the alloy with a low density, a high ductility, excellent resistance to corrosion and good finished surface quality is obtained to satisfy requirements of mechanical properties of heads of golf clubs.

Loading the Abstract Image...

First Claim