Takefu Special Steel, Japan 🇯🇵
V-Toku 1 V 金 1 號
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.
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.
62–64
HRC
555759616365+
V-Toku 1（V 特 1 號、V-Special 1）是武生特殊鋼對經典日立青鋼一號的詮釋。作為一種合金碳鋼，其化學成分與青鋼一號極為相近，但額外添加了釩以及約 1% 的鎢；加上武生宣稱其純度更高，因此 V-Toku 1 的耐磨性應略優於青鋼二號。
V-Toku 1 具備極佳的淬透性，硬度可達 HRC64。許多製刀師傅會善用這項高硬度特性，打造出極致纖薄的刀刃，帶來無與倫比的切削手感。由於武生也生產夾銅或青銅層的積層鋼胚，V-Toku 亦常見於歐美製刀師的作品中，讓更多廚師得以享受碳鋼刀具出色的切割體驗。
V-Toku 1 具備極佳的淬透性，硬度可達 HRC64。許多製刀師傅會善用這項高硬度特性，打造出極致纖薄的刀刃，帶來無與倫比的切削手感。由於武生也生產夾銅或青銅層的積層鋼胚，V-Toku 亦常見於歐美製刀師的作品中，讓更多廚師得以享受碳鋼刀具出色的切割體驗。
成分
V-Toku 1 元素組成
比較對象
V-Toku 1
—
2.25%
1.7%
1.1%
0.6%
0
C
1.25%
Cr
0.35%
V
0.2%
W
2.25%
Mn
0.5%
Si
0.35%
P
0.03%
S
0.03%
Ni
0.25%
C — 碳
Cr — 鉻
V — 釩
W — 鎢
Mn — 錳
Si — 矽
P — 磷
S — 硫
Ni — 鎳
硬度
62–64 HRC
555759616365+
Knives in V-Toku 1
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