Different uses of Tungsten Carbide Valve Seats

Tungsten carbide valve seats and balls are often used in the petroleum industry within petition such as sand containing wells, high-pressure sulfur resistant oil wells, sea oil wells, viscous oil wells, etc.

Tungsten carbide is a combination with equal compositions of tungsten and carbon. The compound finds certain use in various industrial applications owing to its high strength and resistance to erosion. In fact, there are only a few materials on earth that can contrast in strength with tungsten carbide. That said, tungsten carbide is accessible in varying grades which are chosen depending on the application. The grades differ in terms of grain size, hardness factors, and the use of a binder.

Tungsten carbide is also extremely temperature resistant as well as erosion resistant. In addition to the same, it can be change into different shapes which makes it extremely acceptable for creating different dimension tungsten carbide valve seats for oil industries.

Features of tungsten carbide valve seats

Tungsten carbide is a very functional material when it comes to designing pellets and valve seats for the oil industry. With Tungsten Carbide Valve Seats features like high strength, low maintenance requirements, temperature hostility as well as corrosion resistance, it works correctly within the petroleum and oil industry.

Weison Advanced Materials are the market leaders in the builder and supply of tungsten carbide valve seats for the oil industry accompany tungsten carbide balls. Its properties like high scraping and corrosion resistance, strength, temperature resistance makes it a preferred material. WEISON being the market leaders in the manufacture and supply of tungsten carbide products can design tungsten carbide valve seats and pellets as per the needs of an individual customer keeping in line with the international standards of surface finish, tolerance, etc.

So, it is mandatory to give full and reasonable play to the potential of existing technologies and valve seats, make full use of hydraulic energy, and improve the standard, strength, temperature resistance of the valve seats.

Uses of Tungsten Carbide Hardfacing

What is Hardfacing?

Hardfacing is a process of making the metal even more tough and hard by applying another strong material on its surface. Materials like tungsten carbide work wonderfully in industrial processes that go through extreme conditions like the oil industry. Tungsten carbidehardfacing is hence a highly popular technique offering high levels of wear and abrasion resistance at the required locations.

Uses of tungsten carbide Hardfacing

When tungsten carbide was first considered for hardfacing, the crushed granules that were irregular in shape did not offer the much-needed resistance. Due to their irregular shapes, the granules easily succumbed to extreme conditions of temperature and pressure in various industrial processes. The same gave rise to the invention of the modern process of creating perfectly shaped tungsten carbide grit using its powder along with an organic binder. The grit formed comes with high strength and resistance making it a perfect hardfacing material for the industry.

Tungsten carbide hardfacing in industry are used in applications like hardbanding, drill pipes, drill collars, etc. Tungsten carbide offers protection to the surfaces which is a necessity considering the extreme conditions in the industries. In addition to its applications, tungsten carbide hardfacing process is often used to restore some worn down surfaces of old parts of various machines and equipment in the industries.

It is more cost efficient hardfacing materials, the tungsten carbide ball grain has more impact and wear resistance mixture of WC and spherules with different composition and particle size having very high resistance to abrasion and impact. Non recurring welding with high hardness. Famous corrosion resistance, high cobalt alloy spheres with small friction coefficient can be used to solve the casing wear problem in an affordable way. Tungsten carbide is widely used in surfacing, deposited in a variety of tools and parts surface to form hard layer grinding , with its excellent characteristic it can improve the surface hardness , wear resistance, corrosion resistance significantly , and extend lifespan. In the longer run, it brings good economic effectiveness used in the oil industry and will widely spread to greater benefit.

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The Most Significant Factor of Tungsten Carbide Nozzle

Tungsten carbide is an unequalled material when it comes to usage in the Oil and Gas industries. These industries frequently have extreme conditions both onshore as well as offshore. Various grinding liquids, solids, sand along with high temperature and pressure conditions cause a significant amount of wear in all steps of the downstream as well as upstream processes. Parts like valves, choke beans, valve seats, sleeves and nozzles made out of the strong and highly Tungsten carbide nozzles are hence high in demand. Owing to the same, the demand and usage of tungsten carbide nozzles for the oil industry along with other main products have surged in the last few decades.

At present, the number of deep well ultra-deep well drilling in the world is slowly increasing. Due to the increase of well depth, the drilling speed is notably reduced, and the drilling cost of a deep well is less than tens of millions, more than hundreds of millions of yuan, the problem of huge deep well drilling cost will become increasingly important.Increasing drilling rate and reducing drilling cost have become a hot and hard problem for drilling engineering experts in recent years.

*Most Significant Factor of Tungsten Carbide Nozzle is

(1) Under certain orders  such as nozzle diameter, injection Angle and spray distance, the higher the jet pressure is, the better the rock-breaking effect will be.

(2)Under the condition that nozzle diameter, injection Angle and nozzle speed in are constant, the optimal spray distance increases with the increase of pressure, reaching 32.5 times of nozzle diameter at 200MPa;

(3) The essence of the nozzle moving speed is to reflect the action time of jet erosion rock. When it is less than 2.9mm/s, it has little impact on the erosion effect of rock.

(4) When the pressure is lower than 150MPa, the jet pressure increases and the rock-breaking volume per unit power increases speadly; however, when the pressure increases further, the rock-breaking volume per unit power decreases slightly, and the rock-breaking efficiency is the highest at 150MPa.

(5) Ultra-high pressure nozzle moves in forward mode, with the most rock-breaking effect and the best injection Angle of 12.50.

Tungsten Catalyst and its Benefits

Tungsten catalyst is made of the purest tungsten material with irregular particles used in a wide range of chemical analysis as carbon sulfur analyzer and the machine is also called a CS analyzer or C&S analyzer. Highly pure tungsten flux is applied in the high-frequency infrared carbon and sulfur analyzer and results are always stable. At present, the combustion method the carbon and sulfur, affect the stability of the analysis results wherein the flux has a more impact on the measurement results of the stability samples. Clean and pure tungsten granule is needed to play a good role as catalyst in material production. So the purity is important to use during material production and amplify its applications such as carbon sulfur analysis, induction accelerator, radiation shielding filler, and so forth.

Commercially available tungsten compounds such as ammonium tungstate, sodium tungstate, tungstic acid or tungstic oxide are usually used as raw materials in the manufacture of chemical products.

The following list contains a few examples:

●       Inorganic pigments are utilized in ceramic glazes and enamels.

●       Tungstic oxide or tungsten acid is utilized in bright yellow glazes.

●       Tungsten bronzes, that is, partially reduced alkali and alkaline tungstates, are available in several bright colors.

●       Examples of white pigments are barium and zinc tungstate.

●       Colored organic dyes and pigments based on phospho tungsto-molybdic acid and phosphotungstic acid are used in rubber, paints, printing inks, plastic, and other materials.

●       For temperatures beyond the application range, tungsten disulfide is used as a lubricant.

●        Additionally, used to form a self-lubricating the surface on razor blades.

●       Organic tungsten compounds have patented as stabilizers in lubricant oils.

●       Laboratory Applications

Tungsten is used in many applications in laboratories, for instance:

Sodium metatungstate is used for preparing heavy liquids, which is further, used for separating minerals through density in mineralogy or through a density gradient centrifugation in biochemical analysis. High sodium tungstate is used as a reagent in biochemical analysis. High-quality tungsten granules are used as an accelerator to determine carbon and sulfur in metals, through combustion in an induction furnace.

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Benefits of using Tungsten carbide industrial products

 The fact that Tungsten Carbide multiplies the life of wearing parts is no furtive, facts show that it can augment life by four to ten times in comparison to heat-treated steel, plummeting downtime as well as increasing the time spent in the field. However, where life is not only augmented by the surface hardness of the Tungsten carbide industrial products, a properly intended component utilizing Tungsten Carbide in the accurate places will be much more competent at penetrating as well as cutting the soil, resulting in negligible smear as well as compressive forces which would otherwise augment drag and fuel consumption.

Applying Tungsten carbide industrial products in key areas protect the shape and design of the part, making sure optimum performance throughout its entire life.

On a component without Tungsten Carbide, the edges wear becoming smoothed and more likely to smear as well as compress the soil when running through it. This compressive, smearing action of a damaged part acts on the soil at depth. Often this is at the problem depth when soil loosening, or the key seedbed deepness, serious for early crop emergence as well as essential root growth when cultivating. In either circumstance, smearing at this depth creates a fence for root growth, water as well as air movement. These barriers created by smearing are worsened when soil is damp, effectual water and air movement is crucial for crop establishment and growth. These barriers can also create localized flooding which even when provisional will diminish plant growth and yield potential.

In most cases with non-Tungsten Carbide parts, wear life is enhanced by making leading edges thicker, the thought being that they will last longer before the part loses its length as well as lifting effect. However, this bulkier part will wear to a more sternly rounded edge, further increasing the smearing.

Using Tungsten Carbide eradicates smearing, it enables the fraction to cut through the soil rather than compressing it, relieving compaction as well as giving drainage directly where it is required. The self-sharpening property of Tungsten Carbide makes sure the cutting edge will never round off, keeping its shape as well as high performance for the duration of its life.

Supreme Benefits of Tungsten Carbide Coating

Tungsten carbide is chemical carbide contains tungsten as well as carbon atoms in equal parts. It is durable as steel and duplex thickness as that of the steel. Tungsten carbide is a grey powder, and it processed before using in engineering application like machinery, cutting tools, abrasives, Armor-piercing rounds, other tools, as well as instruments.

Benefits Tungsten Carbide Coating

It generates high bond strength, little residual stress, low porosity, and it holds high wear resistance and exceptional corrosion resistance. Tungsten carbide coatings offer the specific properties vital for an application by controlling the grain size of the tungsten carbide particles and their volume relative to cobalt.

Some other benefits of Tungsten Carbide Coatings include:

·         Improve Part Performance and Wear Resistance

·         Reduce Costs on Wearable Parts

·         Decrease Machine Downtime for Part Change-Outs

·         Allow the Freedom to Design Less Expensive and/or Lighter Weight Materials for Friction, Feed and Wearable Parts

Weison Advanced Materials uses a wide range of tungsten carbide coatings to give our customers a way to shield their components as well as machinery from abrasive wear. Applied classically through spray technology, tungsten carbide is comprised naturally of powdered tungsten as well as cobalt, and it has nearly twice the strength of steel. Tungsten carbide offers exceptional protection for tools as well as machinery subject to high abrasive wear environments.

At Weison Advanced Materials, we can select the best-powdered feedstock for your application. We have HVOF thermal spray rooms that contain a wide variety of components, widespread turning capabilities, as well as types of equipment’s. Tungsten carbide thermal spray coatings are classically helpful in different paper manufacturing procedures, steel, as well as metals production, in power generation oil and gas Engineering Industrial.

Properties of Grinding Tungsten Carbide

Because of its exceptional properties, tungsten carbide in recent years emerged as an alternative to steel for many industrial applications. It is a ceramic material composed of approximately a 1:1 ratio of tungsten and carbon atoms.

Properties of grinding tungsten carbide

●        Strength - Grinding tungsten carbide has very high strength. It is hard and rigid.

●        Rigidity - Tungsten carbide's Composition ranges from two to three times as rigid as steel and four to six times as rigid as cast iron and brass.

●        Heat Resistance - Tungsten carbide have high resistance to deformation and deflection.

●        Impact Resistant - For such a hard material with such a high rigidity, the resistance is high.

●        Low temperature resistance- Grinding tungsten carbide retains toughness and impact strength in the cryogenic temperature ranges.

●        Thermal Conductivity - Tungsten carbide is in the range of twice that of tool and carbon steel.

●        Electrical Conductivity - Grinding Tungsten carbide is in the same range as tool and carbon steel.

●        Weight - The weight of tungsten carbide is from 1-1/2 to 2 times that of carbon steel.

●        Hot Hardness - When temperature is increased tungsten carbide retains much of its hardness.

●        Methods of Fastening - Tungsten carbide can be fastened by brazing, epoxy cementing, or mechanical means.

●        Coefficient of Friction - Tungsten carbide compositions have low dry coefficient of friction values as compared to steels.

●        Wear-Resistance - Tungsten carbide wears up to 100 times more than steel in conditions including abrasion, erosion and galling.

●        Dimensional Stability - Tungsten carbide undergoes no phase changes during heating and cooling and retains its stability easily.

Thanks to its wear resistance and hardness tungsten carbide is always the best suite for wear parts and other machine parts which help in severe service conditions such as high temperatures, corrosion and abrasion. The main component of tungsten carbide is its high strength and low ductility at high temperatures.

Benefits of grinding tungsten carbide:

•        Smaller parts inventories

•        Less downtime to replace worn components

•        Greater productivity 

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