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愛知，日本

AUS-10

Hardness ? Rockwell C Hardness (HRC) measures how resistant a steel is to permanent deformation. For kitchen knives:

55–58 HRC — Soft. Easy to sharpen and forgiving of rough use, but dulls faster. Typical of most German knives.
59–61 HRC — Balanced. Good edge retention with manageable sharpening. Common in mid-range Japanese knives.
62–64 HRC — Hard. Excellent edge retention, holds a very fine edge. Requires more care and a fine stone to sharpen.
65+ HRC — Very hard. Exceptional edge longevity but more brittle — more prone to chipping if used roughly.

Higher is not always better — it depends on how you use and maintain your knife.
58–60 HRC
555759616365+
AUS-10是一種高級日本不鏽鋼，優於AUS-8，以其優異的韌性、刃口保持力和抗腐蝕性聞名。因碳含量較高，並添加了更多鉬和釩，AUS-10具備更高硬度與耐磨性。非常適合高級刀具，AUS-10能維持鋒利且耐用的刃口，且易於保養，是經驗豐富用戶及注重品質製造商的首選。由於碳含量更高，其硬度也略高於AUS-8。
Composition

AUS-10 Element Composition

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    AUS-10
    —
    13.0% 9.8% 6.5% 3.3% 0
    C Carbon 0.95%
    Primary hardening element. Raises hardness and wear resistance — but too much increases brittleness and corrosion susceptibility. As a reference: German 1.4112 (~0.5%) sits at the low end; VG-10 (~1.0%) is a common mid-range; SG2 (1.25–1.45%) and ZDP-189 (~3.0%) represent high and extreme ends respectively.
    C
    0.95%
    Cr Chromium 13.0%
    Raises corrosion resistance; 13%+ qualifies steel as stainless. Also improves hardenability and wear resistance. In kitchen use, higher chromium levels contribute to a slight drag or sticking sensation when cutting — a trade-off for the rust resistance it provides.
    Cr
    13.0%
    V Vanadium 0.15%
    Forms extremely hard carbides for superior edge retention. Also refines grain structure, improving toughness.
    V
    0.15%
    Mo Molybdenum 0.15%
    Improves hardenability and toughness. Boosts corrosion resistance and helps the steel hold hardness under heat.
    Mo
    0.15%
    Mn Manganese 0.5%
    Aids hardenability and strength. Acts as a deoxidiser during smelting. Excess can reduce toughness.
    Mn
    0.5%
    Si Silicon 1.0%
    Strengthens the steel matrix and acts as a deoxidiser. Improves hardness and resistance to oxidation.
    Si
    1.0%
    P Phosphorus 0.04%
    Impurity from the smelting process. Even small amounts cause brittleness — steelmakers keep this as low as possible.
    P
    0.04%
    S Sulfur 0.03%
    Impurity that reduces toughness and promotes brittleness. Intentionally added only in free-machining steels.
    S
    0.03%
    C — Carbon Cr — Chromium V — Vanadium Mo — Molybdenum Mn — Manganese Si — Silicon P — Phosphorus S — Sulfur
    Hardness 58–60 HRC
    555759616365+
    Steel
    AUS-10
    Category
    不鏽鋼
    Manufacturer
    愛知，日本
    Hardness
    58–60 HRC

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