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. PM / Powder Steel 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, Japan 🇯🇵
"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. PM / Powder Steel 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, Japan 🇯🇵
SRS-13
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.
63–64
HRC
555759616365+
SRS-13 steel is a high-end, powder metallurgy stainless steel known for its excellent balance of hardness, toughness, and corrosion resistance. It combines the best attributes of both high-carbon and stainless steels, making it a versatile choice for kitchen knives. SRS-13 contains a notable amount of chromium for rust resistance, alongside carbon, molybdenum, and vanadium to enhance its edge retention and wear resistance. This steel is capable of being hardened to a high degree, allowing knives made from SRS-13 to achieve a sharp, durable edge that lasts. Its powder metallurgy process results in a uniform grain structure, contributing to its ability to take on a fine edge and maintain it through extensive use. SRS-13 steel is favored for premium kitchen knives, appealing to professional chefs and cooking enthusiasts seeking a blend of performance, ease of maintenance, and longevity.
Composition
SRS-13 Element Composition
Compare with
SRS-13
—
13.0%
9.8%
6.5%
3.3%
0
C
1.3%
Cr
13.0%
V
1.5%
Mo
2.75%
W
1.25%
Mn
0.3%
Si
0.3%
C — Carbon
Cr — Chromium
V — Vanadium
Mo — Molybdenum
W — Tungsten
Mn — Manganese
Si — Silicon
Hardness
63–64 HRC
555759616365+
Knives in SRS-13
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Sukenari
Sukenari SRS-13 Damascus Yanagiba 330mm Mirror Polish with Saya
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Sukenari
Sukenari SRS-13 Damascus K-tip Yanagiba 300mm Mirror Polish with Saya
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Sukenari
Sukenari SRS-13 Damascus Yanagiba 270mm Mirror Polish with Saya
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Sukenari
Sukenari SRS-13 Damascus Yanagiba 300mm Mirror Polish with Saya
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Takeshi Saji
Takeshi Saji SRS13 Gyuto 210mm Western Blue Turquosie
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Takeshi Saji SRS13 Gyuto 210mm Western Green Turquosie
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Takeshi Saji SRS13 Gyuto 240mm Western Green Turquoise with Saya
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Takeshi Saji SRS13 Gyuto 240mm Western Blue Turquoise with Saya
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Takeshi Saji
Takeshi Saji SRS13 Nakiri 165mm Western Amboyna Handle
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Takeshi Saji