Materials

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100% Handmade Hours of experience go though every single knives that we made. Hand by hand that we craft, piece by piece that we cut, polish and make it become knives that available for you. Our knives are absolutely 100% handmade, so they have each individual look and characteristic. Every knife will be very unique and single made and quality can not be found in factory stamp knives. Moreover, our knives can always match with those exotic luxuries fancy knives with reasonable price.
100% Heat -Treat To make the hardness and sharpness be very strong and long last, we use Electric Heat Treat Oven or Industrial Vacuum Heat-treat Oven for superior perfect heat-treat. By using right tool and perfect process, we can guarantee our Rockwell hardness test, HRC can be ranged 59-61.


        

        Rockwell hardness test

The Basics of Heat Treating
        Although iron and steel account for the vast majority of heat treated materials,alloys
        of aluminum, copper, magnesium, nickel and titanium may also be heat treated.
        Heat treating processes require three basic steps:
        1.	Heating to a specified temperature 
        2.	Holding at that temperature for the appropriate amount of time 
        3.	Cooling according to prescribed methods 
        Temperatures may range as high as 2,400F and time at temperature may vary from
        a few seconds to as many as 60 hours or more. Some materials are cooled slowly
        in the furnace, but others must be cooled quickly, or quenched. Certain cryogenic
        processes require treatment at -120 F or lower. Quenching media include water,
        brine, oils, polymer solutions, molten salts, molten metals and gases. Each has
        specific characteristics that make it idea for certain applications. However,
        90 percent of parts are quenched in water, oil, gases or polymers

Vacuum Heat-treat Oven
        Vacuum furnace technology was developed for very high quality applications.
        A pressure vessel is pumped out with a vacuum pump to produce a pressure less
        than atmosphere. (A vacuum by definition, but no where near a 'perfect vacuum'.)
        In most applications, another gas is injected back into the vessel. The gas
        aids in heat transfer and aids in other surface treatments such as Ion-Nitriding
        and carburization.The heat treating process takes place inside a vessel that is
        airtight. The entire heat treating process can take place under vacuum or
        preciselycontrolled atmospheres can be introduced. Heat treating under vacuum
        can: prevent surface reactions, such as oxidation or decarburization; remove surface
        contaminants such as oxide films and residual traces of lubricants; add a substance
        to the surface layers of the work; remove dissolved contaminating substances
        from metals. This process is usually used to harden higher alloy tool steels

Electric Heat Treat Oven
        The most common and basic heat treat furnace is the Electric Box Oven.
        It is a highly insulated steel box with a door on one end and electric
        line wind inside.

Quench & Temper
        This process is for hardening medium carbon alloy steel. This consists of heating
        the parts to a temperature above the transformation range and rapid cooling to
        room temperature, usually using an oil quench. This may be performed in air or
        in a controlled atmosphere to protect the part's surface. Parts are then reheated
        to a low temperature to temper to the desired final hardness range. Quench &
        temper of medium carbon alloy steels increases both strength and hardness.

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