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INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)
INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)

INVISIBLE exclusive handmade knife by the master of the FOMENKO KNIFES studio, buy and order in Ukraine (Steel N690)

Загальна довжина клинка mm: 255±05 mm
Матеріал леза Blade - Martensitic alloy steel N690 is produced by Vohleg-Uddeholm Gmbh&C (TO Rostyslav Dozlo)
Твердість клинка (метал): Hardness - 60-61 HRC
Матеріал руків'я: faceted Stainless steel, micarta, G10, stabilized poplar cap
Довжина леза 130±05 mm
  • Availability: Під замовлення
12,000.00 грн.

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Description

SPECIFICATIONS:

The name of the knife - INVISIBLE - collector's exclusive knife handmade by the master of Fomenko Knifes studio, buy order in Ukraine
Knife type: Fixed blade
Brand: Studio of exclusive handmade knives ANDROSHCHUK KNIVES 


Steel brand: Blade - Martensitic alloy steel N690 produced by Vohleg-Uddeholm Gmbh&C (TO Rostyslav Dozlo)
Steel sheet: One-piece, through-mounting on screed and resin
Blade sharpening angle: Sharpened at an angle of 33 degrees
Descents: Direct
Reduction: 0.2-0.3 mm
Blade hardness: 60-61 HRC
Overall length: 255mm
Blade length: 130 mm
Blade width: 26mm
Blade thickness: 4.0 mm
Grinding of the blade: Finish - longitudinal machine satin
Material of bolster (guard) and back: made of stainless steel
Handle length: 125mm
Handle thickness: 22mm
Handle material: Grenena. Stainless steel, micarta, G10, stabilized poplar cap
Handle color: Light brown
Handle Impregnation: Yes
Sleeve Cover: Yes
Lanyard hole (for lanyard): None
Temlyak: Absent
Sheath: Granena. Stainless steel, micarta, G10, stabilized poplar cap

 

Model: INVISIBLE collector's exclusive knife handmade by the master of FOMENKO KNIFES studio, buy order in Ukraine
Model number: 011
Country of birth: Ukraine
Craftsman: Master Oleksandr Fomenko (Fomenko Knifes), Chuhuyiv, Ukraine Studio of exclusive handmade knives FOMENKO KNIFES
Best use: Multi-purpose: hunting, fishing, cutting, slicing, etc
Knife condition: new
The price is indicated with the sheath.

 


A sharpened knife is not a cold weapon.

Our knives are very sharp, so open and use very carefully. We are not responsible for injuries related to the use of our knives.
Our products are intended for legal use only by responsible buyers. We will not sell our products to anyone under the age of 18.


Availability changes regularly, upon confirmation of your order, we will inform you about the availability or when the product will be ready. The product may differ slightly from the one shown in the photo.


 

Features of steel N690

Martensitic alloy steel N690 is produced by the Vohleg-Uddeholm Gmbh&C corporation, which has its enterprises in Austria, Germany, South and North America. Another name for the alloy is Austrian cobalt stainless steel. Due to its high quality and operational characteristics and advantages, it is successfully implemented in many countries of the world for the manufacture of knives and other purposes.
Steel is produced by electroslag smelting technology. It has a uniformly distributed carbide structure of the crystal lattice in the absence of harmful impurities. As a result of heat treatment and forging, the impact toughness of the material increases without loss of hardness. The presence of alloying additives in the chemical composition of steel ensures resistance to corrosion.

Field of application
Steel is recognized as a good material for serial production of long-range and tactical knives, the technical characteristics of which allow operation in difficult and extreme conditions. Blades made of N690 steel are able to withstand not only longitudinal, but also strong lateral loads when acting on bends and twists.
Due to its resistance to corrosion and aggressive environments, steel is used in the manufacture of diving knives, harpoons for spearfishing and other sports equipment.
This steel is used in the manufacture of knives by such well-known European brands as Vokeg, Spyderco, Vepshmade and Echthema Ratio. Manufactured blades have excellent cutting properties, are strong, durable, sharpen well and hold an edge. The presence of alloying elements in the composition ensured high corrosion resistance while maintaining plasticity. If necessary, there is a possibility of thermal hardening up to 60 NKR.

The technical and physical characteristics of the alloy allow it to be used in mechanical engineering for the manufacture of tools, milling cutters, drills, parts of bearings and relevant components operating under high mechanical loads. The steel is highly wear resistant and can be heat treated.
Resistance to the effects of moisture and chemicals allows the use of steel in the food and pharmaceutical industry for the manufacture of cutting tools and grinders. At the same time, the ecological purity of the material and the complete absence of impurities are taken into account.
ANALOGUES
In terms of its composition, steel N690 is a close analogue of Russian steel 95X18, German X102SgMo17, Japanese / (3-10 and A115-10, French 2100СО17, American 440 С. In Sweden, an analogue of Sandvic 12С27 is produced).
Storage
Steel N690 contains:
■ 1.08% of carbon (C), which gives the material hardness and increases strength;
■ 17.3% chromium (Cg) to obtain anti-corrosion properties, increase wear resistance and change hardening conditions;
■ 1.1% molybdenum (Mo) to reduce brittleness, increase plasticity and resistance to high temperatures;
■ 0.1% vanadium (V) to increase metal elasticity and inertness to aggressive media;
■ 1.5% cobalt (C) increases heat resistance and improves mechanical properties;
■ 0.4% manganese (Mp) increases hardness;
■ 0.4% silicon (5|) to improve alloy stability and increase wear resistance.
The presence of cobalt in the chemical composition of the metal makes the crystal structure of N690 more uniform and resistant to mechanical loads.

PROS AND CONS OF N690 STEEL FOR KNIVES
The use of Austrian steel N690 allows the production of high-quality stainless knives for various purposes. Due to its physical and technical properties, the material is well processed, capable of heat treatment, is not prone to corrosion and is sold at an affordable price.
5*ee1 N690 is one of the best alloys for making beautiful wear-resistant blades. Simple sharpening and long-term preservation of the sharpness of the edge make use simple and convenient. You will never regret buying or making a knife from this steel.

Types of supplies
The high quality of Wohler N690 steel is ensured by the use of a unique rolling technology developed by the manufacturer. Metal sheets are subjected to repeated hot processing with rolling in the longitudinal and transverse directions. After that, the material is cold cut into strips.
N690 steel is supplied to the rolled metal market in the form of steel strips 3-5 mm thick, 20-50 mm wide and 250 to 1000 mm long, especially for the manufacture of knives. The cross-section of the strips is rectangular or with a prepared longitudinal bevel, which eliminates the need for blacksmithing when making the blade. The steel may or may not have previous heat treatment.
All of this is very convenient, as it does not require operations to cut large sheets, which allows you to accurately determine the amount of necessary material and reduces the amount of waste.
Strips are sold individually. The price depends on the geometric dimensions of the product, thicknesses and types of preliminary factory processing. For the products of the metalworking industry, we supply a sheet 2-8 mm thick, the size stated in the contract. If necessary, you can order any analogue of steels of type N690. Sheet metal is sold by weight.

It is worth remembering that when using 

knife for its intended purpose and careful handling, than it will serve you for a very, very long time.

Well, you can buy a knife made of powder steel N690 on our website knife.net.ua or by contacting us by phone +380961711010

*It should be remembered that if the knife is used for its intended purpose and with careful handling, the knife will serve you for a very, very long time.

Well, you can buy a knife made of powder steel N690 in Ukraine on our website https://knife.net.ua/ or by contacting us by phone +380961711010.

Happy shopping! We will be glad to see you among our customers!


WHAT ARE MICARTA AND G10 AND HOW THESE COMPOSITE MATERIALS DIFFER FROM EACH OTHER

For decades, Micarta and G10 composite materials have been undisputed leaders in the knife industry, in particular for the production of handles of various complexity. The materials are distinguished by their availability, ease of production and processing, as well as high strength, wear resistance and unpretentiousness in maintenance. Both materials are composite, based on polymer resin, which is supplemented with layers of different types of captive fabric.

Micarta-G10-Composite-materials-photo-2

Micarta material is an electrical insulating material consisting of a polymer film (based on cresolaldehyde, phenolaldehyde, xylenolaldehyde resin, or resin from a mixture of phenolic raw materials). It is glued with the help of various electrically insulating papers, fabric (mainly linen of natural or artificial origin), or other materials of a similar structure, there are also options made of fiberglass and carbon fiber. The color of the material depends on the resin and fabric base used for gluing. Micarta is a relatively soft material and requires careful manual processing. Therefore, it is used in the production of handles for more expensive knives.

Micart is registered as a trademark of the American company Industrial Laminates / Norplex, Inc. (Norplex-Micarta). Its domestic analogue can be considered a material called "Getinax", which is mainly used as a basis for printed circuit boards. The material also has a sheet pressed structure, which consists of a paper base with the addition of phenolaldehyde or epoxy resin impregnation.


Linen-based micarta has a more attractive optical effect when sanding the fibers. After grinding, the surface can be polished or sandblasted. In the first option, the surface of the material will be smooth, silky, warm and pleasant to the touch. And in the second, the material becomes rough and has a matte shade, besides, it is securely held in the hand and does not slip.

Main characteristics of Micarta:

increased water resistance;
excellent resistance to temperature changes;
strength to mechanical processing;
dense structure that does not absorb odors;
the micro-relief of the material does not slip in the hand even when the surface is wet;
tight fit to the blade, which leaves no gaps at all and prevents food residues and harmful microorganisms from accumulating.
G10 material is a light, hard and fairly stiff composite material with a textured surface, which is mainly used in the manufacture of handles of both folding pocket knives and knives with a fixed blade. This material is created by placing several layers of fiberglass, thoroughly impregnated with epoxy resin, in a special vacuum press, where, under the influence of compression and heat, the resin finally hardens, preserving the structure of the fiberglass.

The G10 material is characterized by good impact resistance, wear resistance, moisture resistance, as well as ease of processing and maintenance. The material can be painted in different colors, including in layers. The surface of G10 can also be polished to a glossy state, or have a rough anti-slip structure, under the influence of a grinding machine or sandblasting.

Key features of the G10:

high stability of basic properties during temperature fluctuations;
withstands high shock loads, compressive and tensile loads;
high overall hydrophobicity and resistance to chemicals;
weighs relatively little, in relation to the overall strength and density;
low electrical conductivity;
can take different forms.
Composite materials G10 and Micarta have almost the same composition and external similarity. At the same time, the G10 material has higher fire resistance, although it is not a non-flammable material, it has higher compressive, bending, impact and tear strength, and it is also simpler and more economical to manufacture. At the same time, G10 is inferior in terms of "stickiness" in wet conditions, and also, tactilely, it feels less "natural".

 

Poplar (Osokor)

Black poplar or Osokor (Populus nigra) is a tree from the Willow family, widespread in Eurasia. It is characterized by rapid growth and a high trunk - in 20 years it can reach a height of 30-35 m and 1-2 m in diameter. Relative unpretentiousness, adaptability to wide distribution and growth rate make poplar wood an affordable and widely used material. In addition, poplar plays a big role in urban greening and air purification, and its buds and bark are used to create medicines.

Poplar wood has a brownish heartwood with a smooth transition to a lighter beige sapwood. The texture is uniform and straight, with the exception of burls and burls - these parts of the tree are more decorative, valued much more and are more often used to create handicrafts.

The availability of poplar wood allows it to be used in construction, carpentry and carpentry, but earlier this material was considered insufficiently stable and sustainable. With the development of wood processing products, the blackberry has become more popular, since now its main shortcomings can be stopped. So, protective oils eliminate vulnerability to moisture and microorganisms, and high-quality stabilization makes poplar wood dense and heavy.

Due to its softness and ease of processing, poplar is often used for woodcarving with hand tools. They make wooden utensils and spoons, toys, souvenirs, figurines from it. The stabilized burl, suvel and basal parts of the osocor are used for the manufacture of knife handles, box mods for electronic evaporators, costume jewelry and jewelry. The low density of poplar wood allows it to be stabilized at home, and the addition of fat-soluble dyes in the process enriches the texture of the wood, which in its raw form is not expressive.

Poplar bark is used for vegetable tanning of genuine leather due to the content of tannins in it.

Density: Poplar has a below average density - 385-500 kg/m 3 . It is a light and soft wood species.

Processing: Blackberry wood is easily cut by both machine tools and hand tools, provided that the cutting edge is sharply sharpened. Due to the soft and friable structure, it is difficult to grind, it lends itself better to fine grinding with fine abrasive grains. Poplar accepts finishing compositions and stains well, it also sticks together easily.

Osokor can be bent, therefore it is suitable for the manufacture of bent products. With fluctuations in air humidity, untreated wood has a high tendency to warp.

For the manufacture of products that require strength, moisture resistance and wear resistance, poplar is recommended to be pre-stabilized.

Examples of poplar wood products:

Black poplar is a species often used for woodcarving with hand tools:

Poplar heartwood has a calm texture and, as a rule, a uniform color:

Since ancient times, poplar has been used to make dishes and cutlery, since antibacterial properties are attributed to its wood:

carved poplar wood spoons

After stabilization, poplar becomes a suitable material for creating handles for household knives:

pocket knife with stabilized poplar wood handle

Most of all, knifemakers appreciate poplar burls, which have an unusual texture:

knife with a handle made of stabilized poplar wood

Coloring poplar burls and suvels during stabilization gives rise to bright and spectacular color combinations:

kitchen knives with stabilized poplar wood handles

Since poplar becomes strong and resistant to moisture after stabilization, it can be used for knife handles that face harsh conditions:

knife with a handle made of stabilized sapwood wood

Also, stabilized speck is used to create souvenirs, collectibles and gift items, for example, exclusive writing pens:

handle with body made of stabilized poplar wood


 

High-quality and original steel inserts are a wonderful decoration of exclusive and unique knives of the Studio of exclusive handmade knives ANDROSHCHUK KNIVES (Ukraine), which offers to order and buy online store https://knife.net.ua



 

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The speed of delivery to any branch of Nova Poshta in Ukraine is fixed by the operator, but usually does not exceed 1-3 calendar days.

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