Blade Steel Reference Chart

Moderator: LAZY EYED SNIPER

PostPosted: Mon Jun 30, 2014 12:42 pm
Here is a handy Blade Steel Reference Chart:

STEEL TYPE / ROCKWELL HARDNESS


17-7 PH / 54-56
Good corrosion resistance, excellent for water sports applications. This alloy is a
chromium-nickel-aluminum precipitation hardening stainless steel with good
edge retention. Great corrosion resistance generally means a high chromium
content, and this means knives made with this steel will be a little harder to
sharpen than blades with a lower chromium content.


154 CM / 58-62
Originally designed for jet engine fan blades, it is the precursor to the Japanese
made ATS-34. In recent years, this steel has made a resurgence in the knife
industry, offering good blade toughness, edge holding capability and corrosion
resistance. Fairly easy to resharpen.


420 / 49-53
A hard, strong blade steel. This stainless steel is commonly used in knife blades,
and offers good corrosion resistance at a low cost. Decent edge holding
capabilities and fairly easy to resharpen, this steel is a good balance of the most desirable
traits for knife steel.

420 HC / 56-58
A high carbon version of 420 steel, this steel combines the excellent wear
resistance of high carbon alloys with the corrosion resistance of chromium
stainless steels. The high carbon content makes this steel harder to resharpen,but
the tradeoff is better edge holding properties.

440 A / 55-57
A high carbon stainless steel, used in many production knives. A good balance of edge
retention, easy resharpening and corrosion resistance.

440C / 58-60
A high chromium stainless steel which exhibits an excellent balance of hardness
and corrosion resistance. This steel takes a nice edge, and is fairly easy to sharpen even
for a novice.

1095 / 56-58
This is a plain carbon steel, which means it has low resistance to corrosion, and
low to medium edge retention. The benefit of this steel is it's easy to sharpen, will
take an extremely sharp edge and is generally available at a low cost.

5150 / 55-60
A medium carbon, low alloy steel that hardens well. This steel is ideally suited to
blades with a very thick cross-section such as tomahawks and axes. Extremely
tough and impact resistant, this steel is most often used on blades which are hafted
and/or thrown.

8Cr13MoV / 58-60
A medium-grade stainless steel, similar in many properties to the AUS 8 series
Good edge holding properties, and easy to sharpen. Decent corrosion resistance.
PostPosted: Mon Jun 30, 2014 12:43 pm
ATS-34 / 60-61
A very high carbon, chromium stainless steel with additional amounts of
molybdenum. This steel has good edge holding properties and high corrosion
resistance, but is more difficult to resharpen than lower chromium steels.

AUS 6A / 55-57
A medium to high carbon stainless steel, this steel holds a good edge and is
particularly well suited for heavy, long blades that are subjected to a lot of stress
while chopping and hacking. It has good edge retention, and is fairly easy to
resharpen with decent corrosion resistance.

AUS 8 / 57-58A Japanese stainless steel, with superb toughness and good edge holding
capabilities. This steel is fairly easy to sharpen and generally low cost with great
corrosion resistance.

AUS 8A / 57-59
A high carbon, low chromium stainless steel - a good compromise between
toughness and strength, edge holding and resistance to corrosion.

BG-42 / 61-62
A high quality, bearing grade alloy with significantly increased amounts of carbon
and molybdenum content plus vanadium for improved edge retention and
strength. Easy to sharpen, with decent corrosion resistance.

Carbon V / 58-59
This low alloy, cutlery grade steel is superior to most other steels due to its
chemistry. Decent corrosion resistance with superior edge retention make this a
premium steel for knife blades. This steel is exceptionally tough, and therefore
harder to sharpen than most stainless steels.

CPM S30V / 58-60
This American made and engineered steel was created especially for the knife
industry. It is a powder made steel with uniform structure and great corrosion
resistance. Excellent edge retention and first rate toughness make this steel one
of the best all-around knife steels, striking a balance between corrosion
resistance, edge retention and sharpenability.


D2 / 59-60
This air hardened tool steel is sometimes called a "semi-stainless" steel, because
it contains 12% chromium. It offers decent corrosion resistance with exceptional
edge retention. It is harder to sharpen than most, but can be finished to a high polish
shine.

Damascus / Layers vary from 53-62
This steel is made from dissimilar steels folded or fused together with heat. It is
often acid etched, which brings out the different steels in a striped pattern.
Excellent toughness and edge holding capabilities make it a great blade, but the
cost of production is high. Damascus is most often used in special applications like
decorative blades.

Elmax / 60-62
Elmax is a third generation powdered stainless steel. The grain size on this steel is
very small, allowing it to take an extremely fine edge. Elmax is much tougher than
S30V and has better edge retention as well.

M2 / 61-62
This high-speed, tool grade steel is used primarily in cutting tools in industrial
applications. This is metal used to cut metal. With excellent strength, enduring
toughness and tremendous wear resistance, this is some of the toughest steel
used to make knife blades. The tradeoff for all this toughness is that this steel is
hard to sharpen, and it is highly susceptible to corrosion. All blades made from
this steel will have a corrosion resistant coating applied, to give good corrosion
resistance with such a tough steel.
PostPosted: Mon Jun 30, 2014 12:43 pm
N690 / 58-60
An Austrian made stainless steel, it is comparable to 440C in performance. It
offers good edge holding qualities with excellent corrosion resistance, and fairly easy sharpening.

S30V / 59-61
This steel contains carbon along with high amounts of chromium, molybdenum and vanadium. This steel is double tempered for hardness and edge retention. It has excellent corrosion resistance, but is slightly more difficult to sharpen.

S35VN / 59-61
Produced by the same company that manufactures S30V, S35VN is a high
performance stainless steel that offers a considerable increase in toughness over S30V. It is also more resistant to chipping, corrosion, and wear. All around performance of the steel is enhanced over S30V, and S35VN will still take an extremely sharp edge.

Sandvik 12C27 / 57-59
This stainless steel is made in Sweden. It is generally known as a premium steel for knife blades, offering a good balance of corrosion resistance, sharpenability, and edge retention.

San Mai III / Outer Layers 57 - Center Layer 59
San Mai means "three layers". It is a term used when talking about traditional Japanese swords and daggers. The laminated construction is important because it allows the blade maker to combine different grades of steel in a single blade. A high carbon center layer provides the strength and edge holding qualities, while the outer layers are lower carbon steels, providing flexibility.

X-15 T.N / 56-58
Developed for the aircraft industry for jet ball bearings, and used in the medical industry for scalpels, this steel resists rust in the worst of conditions while maintaining ample edge retention. Offering an easy to maintain edge and excellent corrosion resistance, this steel is ideal in knives used for watersports.

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