Understanding SOG Folding Knife Blade Materials: Which Is Right For You?

The term folding knife was first introduced in the late seventeenth century. Then, in the early twentieth century, they were first introduced as kitchen knives.

Today, there are many types of folding knives. Some are small everyday knives, while others are larger survival knives. Regardless of whether you are looking for a pocket knife or a full-size outdoor tool, there are ways to increase your folding knife collection. There are also more variations on the folding knife model!

While there is currently no consensus on which material is best for which use, this article will discuss some of the possible changes and explain what each one may be used for. Starting off with the basic information about how to use and care for your new folding knife.

Carbon steel

Carbon steel is a very high quality material used in the manufacturing of cutlery and knives. It can be folded into the blade to create different shapes, sized pockets, and even domes!

Carbon steel is generally considered to be more expensive than other knife blade materials. This is because more quality carbon steel cannot be cheaply priced like others.

However, if you are looking for a more advanced folding knife user, buying less quality carbon steel will help you progress faster. Many people find that using less quality carbon steel allows them to develop their knives properly.

Stainless steel

Stainless steel is one of the most common blade materials in the world. It has very high corrosion resistance and stay sharper for longer than most other materials.

Stainless steel blades are also very hard to bend, making it possible to hold an edge for a long time. This property makes it an excellent choice for military applications, where sharpness is crucial.

Some people prefer the rougher texture of stainless steel over certainDavisandDawson-like conditions of alloyed steel. Because of this, there are some who choose titanium instead of stainless steel as their blade material.

However, despite being more popular, some people still prefer the old-fashioned look of titanium blades.


Titanium is one of the most popular blade materials in the world. It has several advantages including corrosion resistance and a higher heat tolerance.

Titanium is a very hard material and can hold a sharp edge well. This makes it very desirable! Many customers purchase their titanium folding knives to sleep better at night!

Because of its hardness, titanium does not seem to be as durable as other blade materials. Some people who purchase folding knives are looking for a less durable version that can be easily exchanged.

Are you looking for a more durable knife that you can replace in an instant? Then steel is probably your best bet. However, if you want a more soft, forgiving knife then carbon fiber may be what you need.


Copper is the most popular material for folding knife blade compositions. It has a rich, dark color that can be valuable in searching or cutting through thick objects.

Because it is relatively expensive, making a steel that contains less of this metal is not standard. Some blade manufacturers use less steel in their Christensen Design (or CQ) knives to save money.

However, this can cause the user to overheat the knife faster and/or stick or seize the blade when cutting something hard. Because of this, I would only recommend a copper alloy if you do not need an edge as quickly as you could with other materials.

Generally, copper alloy blades are thinner than stainless steel ones and do not have full bolster pieces like a stainless steel knife does. This means they can be Easier to fold and store! When cutting with such a knife!lt.


The mainmaterial used in folding knife blades is silver-diamond. This material is typically found inclusions in other materials, such as iron oxide.

When the knife is new, it may have some iron oxide in it, which makes the steel appear white. This is because it is full of little pockets of metal atoms.

Once the knife gets old, it may lose some of these invisible pockets of metal. However, if you really care about your folding knives, then you should keep using them- even with weak hands or old age can put some distance between you and a blade!

Silver-diamond inclusions are what give folding knives their name.


platinum is one of the most popular colored steel all around. It has a beautiful color and can be sharpened to a very high angle, making for an optimal cutting experience.

Platinum is considered to be more durable than other metals in the blade material world. This is due to the fact that it does not require case hardening like stainless does to make it non-corrosive.

As with all steel materials, there are good and bad things about platinum. While it may not be safe to use on skin, it can be great at crafting objects with excellent edge quality.

The downside is that it needs a strong dry fire to get started.


Inconel is a hard alloy that has itself been named the next craze: solid state technology (STAT). Inconel is a newer alloy that has recently gained popularity due to its high quality and consistent material.

It has a unique lattice structure that allows it to retain an intense, consistent heat when current technologies do not. This heat retention is what gives it its new and exciting name: solid state technology (not tech-y at all).

When looking at the knife blade, you are being looked at: the blade is solid state technology which makes it extremely hard with no yielding. You are being warned though, this blade may be very harmful if you put enough force into it.

There are two types of SOG knives: those with Inconel blades and those with lesser metals such as titanium or carbon fiber. Theoretically, either one can cause harm if used incorrectly.



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