Low density iron based alloy for a golf club head
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United States of America Patent
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N/A
Issued Date -
Jan 13, 2005
app pub date -
Jul 11, 2003
filing date -
Jul 11, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A low density iron based alloy for golf club heads consists of essentially 25 to 31 wt % manganese, 7 to 10 wt % aluminum, 5 to 7 wt % chromium, 0.9 to 1.1 wt % carbon and selective addition of 0.8 to 1.5 wt % silicon or 2 to 5 wt % titanium or 0.5 to 1 wt %, molybdenum, wherein the balance being iron. Due to the addition of silicon and chromium, the alloy of the invention has an excellent resistance to corrosion. After the alloy has been forged or cast, and then treated under different operational conditions of thermal treatment over several periods. The alloy with low density, high ductility, excellent resistance to corrosion and good finished surface quality is obtained to satisfy requirements of mechanical properties of heads of golf clubs.
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