Takefu Special Steel, 日本
Chromax鋼 Chromax 鋼
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.
60–62
HRC
555759616365+
Chromax鋼是一種傳統熔煉的不鏽鋼，並非粉末冶金（PM／SG2鋼／R2鋼類型）。
它由武生特殊鋼公司生產（與VG10鋼、SG2鋼／R2鋼等為同一製造商）。
類型：傳統鑄錠鋼材（非粉末冶金）
類別：高鉻不鏽鋼
特性：
良好的抗腐蝕性（高於VG10鋼）
易於研磨
比許多粉末冶金鋼材更具韌性、較不易脆裂
鋒利保持度中等（低於SG2鋼／R2鋼）
它由武生特殊鋼公司生產（與VG10鋼、SG2鋼／R2鋼等為同一製造商）。
類型：傳統鑄錠鋼材（非粉末冶金）
類別：高鉻不鏽鋼
特性：
良好的抗腐蝕性（高於VG10鋼）
易於研磨
比許多粉末冶金鋼材更具韌性、較不易脆裂
鋒利保持度中等（低於SG2鋼／R2鋼）
成分
Chromax鋼 元素組成
比較對象
Chromax鋼
—
5.0%
3.8%
2.5%
1.3%
0
C
1.0%
Cr
5.0%
V
0.5%
Mo
1.0%
Mn
0.9%
Si
0.4%
P
0.03%
S
0.03%
Ni
0.25%
C — 碳
Cr — 鉻
V — 釩
Mo — 鉬
Mn — 錳
Si — 矽
P — 磷
S — 硫
Ni — 鎳
硬度
60–62 HRC
555759616365+
