Patent ID: 8801828

Claim:
A powder metal material comprising: pre-alloyed iron-based powder including carbon in an amount of about 0.25% by weight to about 1.50% by weight of said pre-alloyed iron-based powder; said pre-alloyed iron-based powder optionally including molybdenum, nickel, chromium, and manganese each in an amount up to about 3.0% by weight of said pre-alloyed iron-based powder; said pre-alloyed iron-based powder including a pearlitic structure; admixed graphite in an amount of about 0.25% by weight to about 1.50% by weight of said powder metal material, wherein said admixed graphite consists of particles having a U.S. standard sieve designation finer than 200 mesh present in an amount greater than about 90.0% by weight of said admixed graphite; admixed molybdenum disulfide present in an amount of about 0.1% by weight to about 4.0% by weight of said powder metal material; admixed copper present in an amount of about 1.0% by weight to about 5.0% by weight of said powder metal material; and said powder metal material being free of phosphorous.