Product Description

Sandblasting Sand Blasting Boron Carbide (B4C) Venturi Nozzles with Excellent Wear-resistance and Longer Service Life

 

Material: Boron Carbide (B4C).

Jacket: Aluminum / Polyurethane Protector.

 

The hardness of boron carbide is only secondary to diamond and CBN. The density of the boron carbide products produced by us is close to its academic density 2.52g/cm3. The advantages are: longer service life, high hardness, high wear-resistance ability, anti-corrosion,  lower cost per use, reducing down time. It's the ideal material for sandblasting nozzle and mechanical seal.

 

The gas dynamics of venturi nozzle is better than straight-hole nozzle, the vortex is improved or ceased to exist, greatly reduced the pressure loss in the same pressure conditions. Abrasive exports increased to more than double the speed, efficiency than the straight-hole nozzle to increase 15% -40%, 20% lower abrasive consumption.

 

Boron carbide can be used to manufacture gun nozzles in the arms industry, which is 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: 2450ºC. Because it has the characteristics of wear resistance and high hardness, Boron Carbide Sandblasting Nozzle will gradually replace the known carbide/tungsten steel and silicon carbide, silicon nitride, alumina, zirconia and other materials sandblasting nozzle in the future.

 

 

Service Life
Nozzle Material	Service life(h, by time)
	Steel grit/shot	Silica sand	Brown aluminium oxide
Alumina	20-40	10-30	1-4
Tungsten Carbide	500-800	300-400	20-40
Silicon Carbide	600-1000	400-600	50-100
Boron Carbide	2000-2500	1000-1500	500-1000
Specifications
Item	Specifications (mm)
	I. D  Φd	Exit size	Length  L	Thread size
SBC-5.0	5	9	130	2''-4-1/2 (UNC)
SBC-6.5	6.5	10.5	135
SBC-8.0	8	12	140
SBC-9.5	9.5	14	165
Specifications
Item	Specifications (mm)
	I. D  Φd	Exit size	Length  L	Thread size
UBC-6.5	6.5	10.5	135	2''-4-1/2 (UNC)
UBC-8.0	8	12	150
UBC-9.5	9.5	14	165
UBC-11.0	11	15.5	190
UBC-12.5	12.5	17	215

 

We can design and produce complex shapes according to customers' requirements. Welcome to discuss with us or send us the drawings for the quotations. More related boron carbide products for your reference:

 

Sand Blasting Boron Carbide B4c Sandblasting Venturi Blast Nozzle with Excellent Wear-Resistance

Sand Blasting Boron Carbide B4c Sandblasting Venturi Blast Nozzle with Excellent Wear-Resistance

Sand Blasting Boron Carbide B4c Sandblasting Venturi Blast Nozzle with Excellent Wear-Resistance

 

 

High Quality Boron Carbide Powder (B4C) with Mohs Hardness 9.36

 

Boron 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, 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 used for armed forces and nuclear industry.

 

Boron carbide is widely applied as follows: boriding refractory, ion transfusion, film layer as well as grinding, polishing, lapping, drilling hard metal alloys, sapphire, 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 Characteristics
Item	Crystal system	Crystal color	Density	Melting point	Mohs hardness	Micro hardness
Boron carbide	Hexagonal	Black	2.52g/cm3	2450ºC	9.36	5400-6300kg/mm2
Chemical Composition
Grit	Chemical composition(%,by weight)
	B4C	T.B	F.B	T.C	F.C	Fe2O3
F4-F90	≥95	≥76	≤0.3	18-21	≤1.5	≤0.3
F100-F220	≥96.5	≥76	≤0.3	18-21	≤1.6	≤0.3
F230-F320	≥96	77-81	≤0.4	18-21	≤1.5	≤0.2
F360-F500	≥95	76.5-80	≤0.4	18-21	≤1.8	≤0.2
F600-F800	≥94	76-80	≤0.45	18-21	≤2.0	≤0.25
F1000-F1200	≥93.5	76-79	≤0.5	18-21	≤2.5	≤0.3
Note: Special requirement on chemical composition can be satisfied through discussion.

 

Sand Blasting Boron Carbide B4c Sandblasting Venturi Blast Nozzle with Excellent Wear-Resistance

 

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 Fission

Boron 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 Materials

Boron 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.

 

Coating

Boron 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 Nozzle

It 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: 2450ºC. Because it has the characteristics of wear resistance and high hardness, Boron Carbide Sandblasting Nozzle will gradually replace the known carbide/tungsten steel and silicon carbide, silicon nitride, alumina, zirconia and other materials sandblasting nozzle. Kumthai not only supplies high hardness Boron Carbide Powder, but also offers customized high purity and longer service life Boron Carbide Sandblasting Nozzles, welcome to send the drawings for the prices.

 

Other Applications

Boron carbide is also used in the manufacture of metal borides and in the smelting of sodium boron, boron alloys, special welding and so on

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