SOG Specialty Knives & Tools F18-N Voodoo Hawk Hand Axe


SOG Specialty Knives & Tools F18-N Voodoo Hawk Hand Axe Video

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Blade Type Information: 3CR13 Stainless Steel

3CR13 stainless steel is a type of Chinese graded stainless steel similar to the 420J2 series popular in the continental United States. Regardless of how it is called, this steel is one of the most popular metals on the market when creating affordable and durable knives. It is extremely easy to sharpen this particular metal to a fine edge or point. Add the fact that the 3CR13 adds alloys to improve the natural resistance of corrosion already found in stainless steel and you have a tough metal made for daily use by the average consumer. Knife makers around the world like to use and manipulate this steel, creating inexpensive yet durable blades. In fact, this is one of the most commonly used metals for divers because of its intense resistance to corrosion, no matter the weather conditions.

The Chinese grade goes a little further by adding Molybdenum and Vanadium to the raw metal. Adding Molybdenum increases the strength of the metal when forging new designs. The hardness of the material itself goes higher, making the metal tougher overall. This hardness correlates directly with major improvements in machine work along with making the already corrosion resistant material even harder to damage. Adding vanadium to the mixture also adds to the strength of the metal. It becomes more wear resistant, adding years of life to the sharp edges and specialty weapons. It increases the toughness, allowing the metal to be used daily during intense work regimes.

This metal is ideal for manufacturing smaller knives with sharper blades. The inexpensive cost adds to the appeal for the average consumer. Companies are better equipped to deliver reliable, sharp blades for everyday life, along with utility knives made specifically for extreme outdoor conditions such as scuba diving and all around wilderness survival knifes, daggers, and blades.

Handle Material Information: Fiberglass Reinforced Nylon

Nylon is a generic name for a family of synthetic polymers known as polyamides, Nylon is one of the most commonly used polymers.

Nylon can be used as the matrix material in composite materials, with reinforcing fibers like glass or carbon fiber. A composite like this has a higher density than pure nylon. The good heat resistance of such materials makes them feasible competitors to metals.

Nylon has the ability to be very lustrous, semilustrous or dull. It has high durability, excellent abrasion resistance, is resistant to insects, fungi, and animals, as well as molds, mildew, rot and many chemicals, will melt instead of burning and has good strength.

Rockwell Hardness: HRC 51-53

The SOG Specialty Knives & Tools F18-N Voodoo Hawk Hand Axe has a Rockwell Hardness of HRC 51-53

Stanley P. Rockwell inevnted the Rockwell Hardness Test in 1919 while working as a metallurgist in ball bearing plant. Rockwell wanted to measure the uniformity and hardness of inner and outer rings on which the ball bearings rolled. He designed a device that could measure hardness accurately and quickly.

The American Society for Testing and Materials (ASTM) standardized a set of scales for testing Rockwell hardness values. Each scale has been designated a letter and corresponds to a different group of materials. Scale C is used for steel, titanium, deep case hardened steel, hard cast irons and other materials harder than scale B 100.

Knife blades and other steel hardened tools are made from metals that match to the Rockwell C scale. Most blade makers display the hardness number as "HRC xx" or "HRC xx - xx" providing a range, where "xx" indicates a Rockwell hardness number. Not many blades measure over HRC 70. Most functional blades rate somewhere between HRC 56 and HRC 63.

Generally, blades with a lower HRC number don't hold and edge for long under demanding use, but they are easier to sharpen. Blades with a higher HRC value stay sharp for longer, but are more difficult to sharpen. As an example, stainless steel has a HRC higher than carbon steel, but it is also more difficult to sharpen than carbon steel.

Company Information: SOG Specialty Knives

SOG Specialty Knives, Incorporated, commonly known as SOG, is a United Staes knife and tool manufacturing company famous for their reproduction SOG Knife from the Vietnam era. SOG currently manufactures a variety of knives, multi-tools, and tactical tomahawks and more. The company was founded in 1986 by Spencer and Gloria Frazer, with its name inspired by the Joint Services Special Operations unit known as the Military Assistance Command, Vietnam Studies and Observations Group (MACV-SOG) who developed their own knife during the War in Vietnam.

SOG Specialty Knives manufactures a variety of tools for military personnel and consumers. SOG also makes additional military style knives, including a tactical switchblade which is only available to military/law enforcement. SOG has developed fixed blade knives and tactical tomahawks for survival and outdoors. SOG also manufactures multi-tools including the Paratool, PowerLock, and PowerAssist.

Many of SOG's folding knives and multi-tools are made or assembled in the USA, with the higher priced folders and fixed blades being made in Seki, Japan. Some of SOG's lesser priced tools, such as the Fusion line are manufactured in Taiwan or China.

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