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PM / 粉末鋼 Powder Metallurgy (PM)

A modern steel-making process where the alloy is atomised into a fine powder and then compressed under high pressure before sintering. This creates an exceptionally uniform carbide distribution — far finer and more even than conventionally cast steel. The result is a blade that achieves higher hardness without sacrificing toughness, holds a keener edge for longer, and is more resistant to chipping. PM steels are generally considered a step up in performance, though they can be harder to sharpen on coarse stones.
Nachi-Fujikoshi,日本

SRS-13

硬度 ? 洛氏硬度(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.
63–64 HRC
555759616365+
SRS-13 鋼是一種高階粉末冶金不鏽鋼,優異的硬度、韌性與抗蝕性的平衡而聞名。它結合了高碳鋼與不鏽鋼的最佳特性,成為廚刀的理想選擇。SRS-13 含有相當量的鉻以提升防銹能力,並添加碳、鉬及釩,增強刃口保持力與耐磨性。此鋼種可達到高硬度,使以 SRS-13 打造的廚刀能擁有銳利且耐用的刀刃,不易鈍化。粉末冶金製程帶來均勻的晶粒結構,有助於形成細緻的刃口並在長期使用中維持鋒利度。SRS-13 鋼廣受高級廚刀青睞,適合追求性能、保養便利與長壽命的專業主廚與烹飪愛好。
成分

SRS-13 元素組成

比較對象
    SRS-13
    13.0% 9.8% 6.5% 3.3% 0
    C 1.3%
    主要硬化元素。提高硬度與耐磨性,但過多會增加脆性與鏽蝕傾向。
    C
    1.3%
    Cr 13.0%
    提高耐蝕性;13%以上即為不鏽鋼。同時改善淬透性與耐磨性。
    Cr
    13.0%
    V 1.5%
    形成極硬碳化物,提供優異的持鋒性。同時細化晶粒結構,改善韌性。
    V
    1.5%
    Mo 2.75%
    改善淬透性與韌性。增加耐蝕性,有助於鋼材在高溫下保持硬度。
    Mo
    2.75%
    W 1.25%
    形成硬碳化物,提高耐磨性與持鋒性。即使在高溫下也能保持硬度。
    W
    1.25%
    Mn 0.3%
    有助於淬透性與強度。在冶煉過程中作為脫氧劑。過多會降低韌性。
    Mn
    0.3%
    Si 0.3%
    強化鋼基質並作為脫氧劑。改善硬度與抗氧化性。
    Si
    0.3%
    C — 碳 Cr — 鉻 V — 釩 Mo — 鉬 W — 鎢 Mn — 錳 Si — 矽
    硬度 63–64 HRC
    555759616365+
    鋼材
    SRS-13
    類別
    不鏽鋼
    製程
    Powder Metallurgy (PM)
    製造商
    Nachi-Fujikoshi,日本
    硬度
    63–64 HRC