Sandivk，瑞典 Uddeholm，瑞典
瑞典鋼
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+
瑞典鋼是一個廣泛用語，泛指由瑞典兩大鋼鐵公司 Sandvik 和 Uddeholm 生產的幾種不同類型的鋼材。由於某些不明原因，日本刀具製造商似乎只用「瑞典鋼」這個詞，而不公開具體成分。不過，下列鋼種經常用於製刀：
Uddeholm：AEB-L
Sandvik：12C27、14C28、19C27
這些鋼種的碳含量相近（0.6-0.7），通常熱處理至 HRC 59-60 左右。
Uddeholm：AEB-L
Sandvik：12C27、14C28、19C27
這些鋼種的碳含量相近（0.6-0.7），通常熱處理至 HRC 59-60 左右。
Composition
瑞典鋼 Element Composition
Compare with
瑞典鋼
—
27.0%
20.3%
13.5%
6.8%
0
C
0.65%
Cr
27.0%
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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