Stainless steel alloy for golf club head

Abstract

A stainless steel alloy adapted for a golf club head includes 0.03 wt % of carbon, 0.01 wt % of phosphorus, 0.1 wt % of silicon, 0.05 wt % of calcium, 0.03 wt % of zirconium, 0.1 wt % of manganese, 0.01 wt % of sulfur, 4 wt % to 5.1 wt % of molybdenum, 18 wt % to 19 wt % of nickel, 7 wt % to 12 wt % of cobalt, 0.05 wt % to 0.15 wt % of aluminum, 0.1 wt % to 0.8 wt % of titanium, and a balance of iron based on 100 wt % of the stainless steel alloy, wherein the content of iron is more than 0 wt %.

What is claimed is: 
     
         1 . A stainless steel alloy adapted for a golf club head, comprising:
 carbon in an amount of 0.03 wt %;   phosphorus in an amount of 0.01 wt %;   silicon in an amount of 0.1 wt %;   calcium in an amount of 0.05 wt %;   zirconium in an amount of 0.03 wt %;   manganese in an amount of 0.1 wt %;   sulfur in an amount of 0.01 wt %;   molybdenum in an amount ranging from 4 wt % to 5.1 wt %;   nickel in an amount ranging from 18 wt % to 19 wt %;   cobalt in an amount ranging from 7 wt % to 12 wt %;   aluminum in an amount ranging from 0.05 wt % to 0.15 wt %;   titanium in an amount ranging from 0.1 wt % to 0.8; and   a balance of iron based on 100 wt % of said stainless steel alloy,   wherein the content of iron is more than 0 wt %.   
     
     
         2 . The stainless steel alloy according to  claim 1 , wherein said stainless steel alloy has a density ranging from 7.95 g/cm 3  to 8.15 g/cm 3 . 
     
     
         3 . A stainless steel alloy adapted for a golf club head, comprising:
 carbon in an amount ranging from 0.024 wt % to 0.036 wt %;   phosphorus in an amount ranging from 0.008 wt % to 0.012 wt %;   silicon in an amount ranging from 0.08 wt % to 0.12 wt %;   calcium in an amount ranging from 0.04 wt % to 0.06 wt %;   zirconium in an amount ranging from 0.024 wt % to 0.036 wt %;   manganese in an amount ranging from 0.08 wt % to 0.12 wt %;   sulfur in an amount ranging from 0.008 wt % to 0.012 wt %;   molybdenum in an amount ranging from 4 wt % to 5.1 wt %;   nickel in an amount ranging from 18 wt % to 19 wt %;   cobalt in an amount ranging from 7 wt % to 12 wt %;   aluminum in an amount ranging from 0.05 wt % to 0.15 wt %;   titanium in an amount ranging from 0.1 wt % to 0.8 wt %; and   a balance of iron based on 100 wt % of said stainless steel alloy, wherein the content of iron is more than 0 wt %.   
     
     
         4 . The stainless steel alloy according to  claim 3 , wherein:
 carbon is in an amount ranging from 0.027 wt % to 0.033 wt %;   phosphorus is in an amount ranging from 0.009 wt % to 0.011 wt %;   silicon is in an amount ranging from 0.09 wt % to 0.11 wt %;   calcium is in an amount ranging from 0.045 wt % to 0.055 wt %;   zirconium is in an amount ranging from 0.027 wt % to 0.033 wt %;   manganese is in an amount ranging from 0.09 wt % to 0.11 wt %; and   sulfur is in an amount ranging from 0.009 wt % to 0.011 wt %, based on 100 wt % of said stainless steel alloy.   
     
     
         5 . The stainless steel alloy according to  claim 4 , wherein:
 carbon is in an amount ranging from 0.0285 wt to 0.0315 wt %;   phosphorus is in an amount ranging from 0.0095 wt % to 0.0105 wt %;   silicon is in an amount ranging from 0.095 wt % to 0.105 wt %;   calcium is in an amount ranging from 0.0475 wt % to 0.0525 wt %;   zirconium is in an amount ranging from 0.0285 wt to 0.0315 wt %;   manganese is in an amount ranging from 0.095 wt % to 0.105 wt %; and   sulfur is in an amount ranging from 0.0095 wt % to 0.0105 wt %, based on 100 wt % of said stainless steel alloy.