Wire rod of cu-zn-si based alloy obtained by up-drawing continuous casting
AssigneeMitsubishi Materials Corporation
InventorsMasahiro Kataoka, Shinobu Satou, Kanta Dairaku, Keiichiro Oishi
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Abstract
A wire rod of a Cu—Zn—Si based alloy obtained by up-drawing continuous casting is provided; the amount of Cu is within a range of 75.0 mass% or more and 76.9 mass% or less, the amount of Si is within a range of 2.6 mass% or more and 3.1 mass% or less, the amount of Zr is within a range of 0.003 mass% or more and 0.20 mass% or less, the amount of P is within a range of 0.02 mass% or more and 0.15 mass% or less, the balance is composed of Zn and inevitable impurities, and the number density of a Zr—P compound containing Zr and P is within a range of 1500 pieces/mm2 or more and 7000 pieces/mm2 or less.
Claims4
A wire rod of a Cu—Zn—Si based alloy obtained by up-drawing continuous casting, comprising Cu, Zn, and Si,
- wherein an amount of Cu is within a range of 75.0 mass% or more and 76.9 mass% or less,
- an amount of Si is within a range of 2.6 mass% or more and 3.1 mass% or less,
- an amount of Zr is within a range of 0.003 mass% or more and 0.20 mass% or less,
- an amount of P is within a range of 0.02 mass% or more and 0.15 mass% or less,
- a balance is composed of Zn and inevitable impurities, and
- a number density of a Zr—P compound containing Zr and P is within a range of 1500 pieces/mm2 or more and 7000 pieces/mm2 or less.
Dependencies are inferred from the claim text.