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Knife blade steels
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EVERYTHING YOU NEED TO KNOW ABOUT STEELS
Hardness, corrosion, sharpness: the complete technical guide to making the right choice.
HARDNESS
Maintains sharpness without excessive fragility.
CORROSION
Resistant to humidity and liquids.
RETENTION
Ability to maintain the razor's edge.
SHARPENING
Easy to maintain and repair.
✨ Stainless Steel
Less maintenance, ideal for everyday use.
- Iconic: Buck 110 & Buck 112
- Survival: Mora Kansbol & Mora Garberg
🔥 Carbon Steels
Extremely sharp and easy to sharpen (requires oil).
- Performance: Mora Bushcraft Survival
- Craftsmanship: Old Bear Walnut & Olive
TECHNICAL ENCYCLOPEDIA OF SHADES
Series 420 & 440 (Stainless Steel)
420 : Carbon content 0.15% to 0.40%. Flexible, resistant (57 HRC), ideal for high-end scalpels and razors.
420HC / 420C : High carbon content. Hardened to a greater than 420. Standard at Buck and Gerber .
420J2 : Durable low-carbon stainless steel.
440 (A, B, C) : 440A is highly corrosion-resistant (7Cr17MoV is an improved version). 440B has a higher carbon content. 440C has the highest carbon content, offering the greatest hardness in the series.
10xx Series (Carbon Steels)
1095 : (0.90-1.03% C) The most popular for bushcraft. Very hard but more brittle than lower grades.
1084 : (0.80-0.93% C) Appreciated by cutlers for its ease of heat treatment.
1045 to 1070 : Used according to carbon content for machetes (1070), swords or axes (1060), and striking tools (1045/1055).
Swedish steels (Sandvik)
12C27 Sandvik : 57 HRC. Created for disposable razors. Used by Morakniv and Opinel .
14C28N : Designed for Kershaw. Cutting edge of 13C26 with nitrogen and chromium for increased rust resistance.
Japanese steels (Hitachi & Aichi)
VG10 (V Gold 10) : Stainless steel (1% C, 15% Cr, 1% Mo, 0.2% V, 1.5% Co). Very fine grain, used by Fallkniven .
AUS-8 : Comparable to 440B with added vanadium for wear resistance. Widely used by SOG .
3G : Laminated powder steel (3G core + VG2 layers). Superior cutting edge to VG10.
Blue Steel / White Steel : Pure carbon steels. "Blue" is enriched for edge retention, "White" is closest to sword steel (very fine).
SK-5 : Japanese tool steel (Steel Kougu) for heavy-duty use.
High-Performance Powders & Alloys
D2 : 12% Chromium (stainless steel threshold). Excellent edge retention. Requires some effort when sharpening. See our D2 knives .
CPM S30V / S35VN / S90V / 20CV : Powder metallurgy. S30V (1.45% C) is the premium choice of ZT and Buck .
154CM / ATS-34 : Molybdenum-modified martensitic stainless steel. The ATS-34 is the Japanese version by Hitachi.
CTS-204P : Equivalent to M390, with more Tungsten (0.65%).
Chinese steels (3Cr13 to 9Cr13) : 8Cr13MoV is similar to AUS-8. 9Cr contains cobalt and vanadium for increased strength.
European & Specialty Steels
X46Cr13 (Z40) : The No. 1 stainless steel in France. 0.46% C, ideal for everyday use.
X50CrMoV15 : German (Thyssen-Krupp), rich in chromium. Reference for high-end kitchen knives.
Bohler N690 / N695 : N690CO (Austria) is cobalt-enriched (high hardness). N695 is comparable to VG-10. MOX27Co : French, 60 HRC hardness, virtually dull-free. AN-58 : Spanish low-carbon stainless steel. C75 / XC75 : Classic carbon steel that develops a natural gray/blue patina.Need personalized advice?
Are you hesitating between a Buck in 420HC or a Mora in 12C27 ?
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