Great Quality Boron Carbide B4c Powder with Grain sizes
1-3/3-5/2-5mm F4-F1500...for Different ApplicationsBoron Carbide
Powder (B4C) a black crystal powder, is one of the hardest Man-Made
materials. Its hardness with Mohs hardness 9.36 and microscopic
hardness 5400-6300kg/mm2 is only near upon diamond. Its density is
2.52g/cm3 and melting point is 2450ºC. It has excellent abrasion
resistance and large neutron-absorbing cross section. The boron
carbide possesses properties of endurance hi/low temperature, no
reaction with either acids or alkalis, high grinding efficiency, no
magnetism. It is a good replacement of diamond. Boron carbide also
possesses the special properties of light quality, neutron
absorbing, semi-conductivity, etc., so it is widely used in
machinery, electronics, instrumentation, metallurgy, national
defense, armed forces, nuclear, aviation industry, and also used as
abrasives, classic refractory and specific welding materials, human
protection materials and so on. Boron carbide is widely
applied as follows: boriding refractory, ion transfusion, film
layer as well as grinding, polishing, lapping, drilling hard metal
alloys, sapphire, watches, jewels, etc. Meanwhile, it is main
material for the wear-resisting parts, precise meter-age element,
sandblasting nozzle, precise spray nozzle, sealed washer, smelting
boron steel, boron alloy, etc. Boron carbide has showed many
better properties of physics and chemistry in the
hi-science/technology fields. Physical
CharacteristicsItemCrystal systemCrystal colorDensityMelting
pointMohs hardnessMicro hardnessBoron
carbideHexagonalBlack2.52g/cm32450ºC9.365400-6300kg/mm2
Chemical CompositionGrain sizesChemical composition(%,by
weight)B4CT.BF.BT.CF.CFe2O3F4-F90≥95≥76≤0.318-21≤1.5≤0.3F100-F220≥96.5≥76≤0.318-21≤1.6≤0.3F230-F320≥9677-81≤0.418-21≤1.5≤0.2F360-F500≥9576.5-80≤0.418-21≤1.8≤0.2F600-F800≥9476-80≤0.4518-21≤2.0≤0.25F1000-F1500≥93.576-79≤0.518-21≤2.5≤0.3Note:
For more grain sizes, welcome to contact us. Special requirements
can be satisfied through discussion.Packaging & Shipping:
1. Usually PLASTIC BAG/PAPER BAG+ CARTON BOX/1MT PALLET 2. Special
requirements according to customers' requirements 3. Free samples
or Sample orders usually shipped by Express like
FedEx/TNT/UPS/EMS/DHL...Introduction to the Wide Applications of
Boron Carbide B4C Boron Carbide, molecular formula B4C, is one
of the three hardest materials known (the other two are diamond and
CBN cubic boron nitride) and commonly used in tank armor,
bulletproof clothing, and many industrial products. Boron
Carbide can absorb large amounts of neutrons without forming any
radioactive isotopes, so it's an ideal neutron absorber for nuclear
power plants, and can be used to control the rate of nuclear
fission. Boron Carbide is mainly made as a controlled rod in
a field, but sometimes it is made into the powder to
increase the surface area. It has many advantages including low
density, high strength, high temperature stability and good
chemical stability, widely used in wear resistant parts, ceramic
reinforcement, especially in light armor, reactor neutron
absorbers, etc. In addition, boron carbide is easier to
manufacture and less costly than diamonds and cubic boron
nitride(CBN), so it can be used more widely. It can replace
expensive diamonds in some applications and is commonly used in
grinding, lapping, drilling, etc. Control Nuclear FissionBoron
carbide can absorb large amounts of neutrons without forming any
radioactive isotopes, which makes it an ideal neutron absorber for
nuclear power plants, and neutron absorbers are mainly used to
control the rate of nuclear fission. Boron Carbide is mainly made
as a controlled rod in a field, but sometimes it is
made into the powder to increase the surface area. At Chernobyl
nuclear accident in 1986, Russia eventually stopped the chain
reaction in the reactor after dropping nearly 2,000 tons of boron
carbide and sand. Grinding Polishing Lapping MaterialsBoron
carbide has been used as a coarse abrasive material long
before. Due to its high melting point, it is not easy to cast into
artifacts, but it can be processed into simple shapes by melting
the powder at high temperatures. So it is often used for grinding,
lapping, drilling and polishing hard materials such as hard alloy,
gems and so on. Ceramic CoatingBoron carbide can also be used
as a ceramic coating for warships and helicopters, which is
lightweight and has the ability to resist armor-piercing bullets
penetrating the thermal coating to form a monolithic
shield. Boron Carbide Sandblasting Nozzles with Longer Working
Life Better Wear-resistanceIt can be used to manufacture gun
nozzles in the arms industry. Boron carbide, extremely hard and
wear-resistant, no reaction with acid-base, high/low temperature
resistance, high pressure resistance, crystal system: hexagonal,
density: 2.52g/cm3, Mohs hardness: 9.36, microhardness
5400-6300kg/mm2, bending strength ≥400Mpa, melting point: 2450
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