Alloy powder for overlay welding, and weld overlay alloy member and engine valve obtained using the same
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsKimihiko ANDO, Nobuyuki SHINOHARA
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Abstract
According the present invention, an alloy powder for overlay welding that prevents generation of gas defects in a weld overlay alloy in order to improve the toughness and wear resistance of the weld overlay alloy is provided. The alloy powder is an alloy powder for overlay welding on a steel surface containing nitrogen, which is characterized in that it contains 30% to 45% by mass of Mo, 10% to 30% by mass of Ni, 0.2% to 0.6% by mass of C, and 0.30% to 2.0% by mass of Al, with the balance made up of incidental impurities and Co.
Claims3
An alloy powder for overlay welding, which is used for performing overlay welding on a surface of steel containing nitrogen, wherein
- the alloy powder contains 30% to 45% by mass of Mo, 10% to 30% by mass of Ni, 0.2% to 0.6% by mass of C, and 0.30% to 2.0% by mass of Al, with the balance made up of incidental impurities and Co.
Dependencies are inferred from the claim text.