Stainless
Stainless Steel
"Stainless" means stain-resistant, not stain-proof. In kitchen use, the steel can still discolour or pit if exposed to acidic environments — citrus, vinegar, or salt water — for extended periods. Wash and wipe dry after every use, and avoid leaving the blade soaking in water. With basic care, a stainless knife is very low-maintenance and a great everyday choice. Sandivk, Sweden 🇸🇪 Uddeholm, Sweden 🇸🇪
"Stainless" means stain-resistant, not stain-proof. In kitchen use, the steel can still discolour or pit if exposed to acidic environments — citrus, vinegar, or salt water — for extended periods. Wash and wipe dry after every use, and avoid leaving the blade soaking in water. With basic care, a stainless knife is very low-maintenance and a great everyday choice. Sandivk, Sweden 🇸🇪 Uddeholm, Sweden 🇸🇪
스웨덴 강 스웨덴 강
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.
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+
스웨덴 강은 Sandvik와 Uddeholm 두 주요 스웨덴 철강 회사에서 제조하는 여러 종류의 강을 포괄하는 용어입니다. 일본 칼 제작자들이 구체적인 사양을 공개하지 않고 단순히 '스웨덴 강'이라는 명칭만 사용하는 경향이 있으나, 나이프 제작에는 주로 다음 강종이 사용됩니다:
Uddeholm: AEB-L
Sandvik: 12C27, 14C28, 19C27
이 강종들은 탄소 함량(0.6~0.7%)이 유사하며, 일반적으로 HRC 59-60 정도로 열처리됩니다.
Uddeholm: AEB-L
Sandvik: 12C27, 14C28, 19C27
이 강종들은 탄소 함량(0.6~0.7%)이 유사하며, 일반적으로 HRC 59-60 정도로 열처리됩니다.
Composition
스웨덴 강 Element Composition
Compare with
스웨덴 강
—
13.0%
9.8%
6.5%
3.3%
0
C
0.65%
Cr
13.0%
Mn
0.4%
Si
0.4%
P
0.003%
S
0.01%
C — Carbon
Cr — Chromium
Mn — Manganese
Si — Silicon
P — Phosphorus
S — Sulfur
Hardness
58–60 HRC
555759616365+
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