Our advantage
1. Thermal stability: for the use of hot and cold conditions, special treatment to ensure the reliability of product quality.
2. Corrosion resistance: uniform and fine material structure, delay the erosion of the use of degrees.
3. impact resistance: the ability to withstand high thermal shock, so the process can be assured.
4.Acid resistance: the addition of special materials significantly improved the physical properties of the material, excellent performance in terms of ...
Technical Characteristic
The graphite cluster wheel produced by Ningheda has the following advantages:
1. Thermal stability: According to the use conditions of graphite molds with rapid heating and cooling, special design has been carried out to ensure the reliability of product quality;
2. Corrosion resistance: The uniform and fine matrix design delays the corrosion of the graphite mold;
3. Impact resistance: The thermal shock strength that graphite can withstand is extremely high, so a...
Graphite plate
Graphite plate(graphite boat) adopts high-quality graphite material, adding organic compound with strong acid resistance. It is refined by high-pressure forming, vacuum impregnation, and high-temperature heat treatment. It has extraordinary acid and temperature resistance. It is an ideal lining material for phosphoric acid reaction tanks and phosphoric acid storage tanks in the chemical industry. The product has the characteristics of wear resistance, temperature resistanc...
Graphite mold for continuous casting
Continuous casting graphite mold refers to graphite products used in continuous casting molds. Metal continuous casting technology is a new technology that directly turns molten metal into a material through a continuous casting mold. Because it does not undergo rolling and becomes a material directly, the secondary heating of the metal is avoided, so a lot of energy can be saved.
Continuous casting graphite is made from carbonaceous raw materials (pe...
With our abundant experience and considerate products and services, we have been recognized to be a reputable supplier for a lot of global consumers for Good quality China Density 1.85g/cm3, Molded Isostatic Graphite Block for EDM, We persistently develop our enterprise spirit “quality lives the business, credit score assures cooperation and retain the motto inside our minds: consumers very first.
With our abundant experience and considerate products and services, we have been recognize...
Ningheda Graphite material Advantages
1.Graphite raw material has high bulk density and low porosity, which resists the erosion of molten aluminum liquid and gaseous aluminum particles to the greatest extent.
2.Graphite raw material with high purity, low ash content prevents volatile substances in production, avoiding spots, holes on aluminum coated film, which can guarantee the quality of the aluminum coated film.
3.Graphite crucible has precise dimensions, smooth surface, strong oxidat...
With our abundant experience and considerate products and services, we have been recognized to be a reputable supplier for a lot of global consumers for Good quality China Density 1.85g/cm3, Molded Isostatic Graphite Block for EDM, We persistently develop our enterprise spirit “quality lives the business, credit score assures cooperation and retain the motto inside our minds: consumers very first.
With our abundant experience and considerate products and services, we have been recognize...
Technical Characteristic
1. Exothermic welding
Exothermic welding is a simple, high-efficiency, and high-quality metal joining process. It uses the chemical reaction heat of metal compounds as a heat source, and directly or indirectly heats the overheated (reduced) molten metal to work in a special graphite mold. A welded joint of a certain shape and size is formed in the cavity to meet the engineering requirements. At present, exothermic welding has generally replaced the previous mecha...
Technical Characteristic
Main performance of graphite heater
The oxidation speed and volatilization speed of graphite affect the service life of the heating element. When the vacuum degree is 10-3~10-4 mmHg, the operating temperature should be below 2300℃. In the protective atmosphere (H2, N2, Ar, etc.), the operating temperature can reach 3000℃. Graphite cannot be used in the air, otherwise it will be oxidized and consumed.
The thermal expansion coefficient of graphite is small, and the...
Technical Characteristic
In the metallurgical industry, high-purity graphite crucibles have a very wide range of uses. Its main function is to store various liquid metals. As a metallurgical manufacturer, graphite crucibles will be used. Otherwise, there will be some problems in the use and production. Let’s introduce what issues should be paid attention to in the high-purity graphite crucible.
1. High-purity graphite crucibles are more susceptible to moisture, and the products wil...
Technical Characteristic
As the material of exothermic welding mold, graphite has the following characteristics:
1) High temperature resistance: The melting point of graphite is 3850±50℃, and the boiling point is 4250℃. Even if burned by ultra-high temperature arc, the weight loss is very small, and the thermal expansion coefficient is also very small. The strength of graphite increases with increasing temperature. At 2000°C, the strength of graphite doubles. The temperature of the chemi...
Technical Characteristic
Application of graphite products:
1. Used as refractory material: Graphite and its products have the properties of high temperature resistance and high strength. It is mainly used in the metallurgical industry to make graphite crucibles. In steel making, graphite is often used as a protective agent for steel ingots and as an inner lining of metallurgical furnaces.
2. As a conductive material: used in the electrical industry to manufacture electrodes, brushes, car...
With our abundant experience and considerate products and services, we have been recognized to be a reputable supplier for a lot of global consumers for Good quality China Density 1.85g/cm3, Molded Isostatic Graphite Block for EDM, We persistently develop our enterprise spirit “quality lives the business, credit score assures cooperation and retain the motto inside our minds: consumers very first.
With our abundant experience and considerate products and services, we have been recognize...
Technical Characteristic
The graphite cluster wheel produced by Ningheda has the following advantages:
1. Thermal stability: According to the use conditions of graphite molds with rapid heating and cooling, special design has been carried out to ensure the reliability of product quality;
2. Corrosion resistance: The uniform and fine matrix design delays the corrosion of the graphite mold;
3. Impact resistance: The thermal shock strength that graphite can withstand is extremely high, so a...
we can easily offer you high-quality products and solutions, competitive rate and very best shopper support. Our destination is “You come here with difficulty and we give you a smile to take away” for Bottom price Leading China Factory Sale Artificial Graphite Carbon Block for Projects, Welcome mates from all around the world occur to go to, manual and negotiate.
we can easily offer you high-quality products and solutions, competitive rate and very best shopper support. Our destin...
Technical Characteristic
As the material of exothermic welding mold, graphite has the following characteristics:
1) High temperature resistance: The melting point of graphite is 3850±50℃, and the boiling point is 4250℃. Even if burned by ultra-high temperature arc, the weight loss is very small, and the thermal expansion coefficient is also very small. The strength of graphite increases with increasing temperature. At 2000°C, the strength of graphite doubles. The temperature of the chemi...
Technical Characteristic
1. Exothermic welding
Exothermic welding is a simple, high-efficiency, and high-quality metal joining process. It uses the chemical reaction heat of metal compounds as a heat source, and directly or indirectly heats the overheated (reduced) molten metal to work in a special graphite mold. A welded joint of a certain shape and size is formed in the cavity to meet the engineering requirements. At present, exothermic welding has generally replaced the previous mecha...
Technical Characteristic
Compared with copper, EDM graphite has the following advantages:
1.Machining speed: high speed rough milling is 3 times of copper block, and high speed fine milling is 5 times of copper block.
2.Good machinability, complex geometric molding is available.
3.Light weight, low density (less than 1/4 of copper), easy to clamp.
4.It can reduce the number of single electrodes, because it can be bundled into composite electrodes.
5.Good thermal stability and no deformat...
Square graphite boat
The graphite boat itself is a kind of carrier, which can put the raw materials and parts that we need to position or shape together in it for high-temperature sintering. The graphite boat is made of artificial graphite through mechanical processing. So it is sometimes called a graphite boat, and sometimes it is called a graphite boat.
Graphite half circle is mainly used in various vacuum resistance furnaces, induction furnaces, sintering furnaces, brazing furnaces, i...
Square graphite boat
The graphite boat is a kind of graphite mold, using as a carrier, which can put the raw materials and parts that we need to position or shape together in the graphite mold for high-temperature sintering. The graphite mold is made of artificial graphite blocks by mechanical processing. Graphite boats are also called graphite boxes, graphite saggers, and graphite molds.
Performance characteristics of graphite boats, graphite boxes and graphite molds for powder metallur...
Square graphite boat
The graphite boat itself is a kind of carrier, which can put the raw materials and parts that we need to position or shape together in it for high-temperature sintering. The graphite boat is made of artificial graphite through mechanical processing. So it is sometimes called a graphite boat, and sometimes it is called a graphite boat.
Graphite half circle is mainly used in various vacuum resistance furnaces, induction furnaces, sintering furnaces, brazing furnaces, i...
Our advantage
1. Thermal stability: for the use of hot and cold conditions, special treatment to ensure the reliability of product quality.
2. Corrosion resistance: uniform and fine material structure, delay the erosion of the use of degrees.
3. impact resistance: the ability to withstand high thermal shock, so the process can be assured.
4.Acid resistance: the addition of special materials significantly improved the physical properties of the material, excellent performance in terms of ...
Graphite felt
Graphite felt is divided into pitch-based graphite felt, polyacrylonitrile-based (PAN-based) graphite felt, and viscose-based graphite felt due to the different selection of original felts. The main purpose is to be used as heat preservation and heat insulation materials for monocrystalline silicon smelting furnaces. In the chemical industry, it can be used as a filter material for high-purity corrosive chemical reagents.
Carbon felt is graphite felt after being treated at ...
Graphite Boat
Graphite box (graphite boat) itself is a carrier, we can put the raw materials and parts we need to locate or finalize the design together in which high temperature sintering molding. Graphite box is made of artificial graphite by mechanical processing. So sometimes it’s called a graphite box, sometimes it’s called a graphite boat. The graphite box is mainly used in various vacuum resistance furnaces, induction furnaces, sintering furnaces, brazing furnaces, io...
Square graphite boat
The graphite boat is a kind of graphite mold, using as a carrier, which can put the raw materials and parts that we need to position or shape together in the graphite mold for high-temperature sintering. The graphite mold is made of artificial graphite blocks by mechanical processing. Graphite boats are also called graphite boxes, graphite saggers, and graphite molds.
Performance characteristics of graphite boats, graphite boxes and graphite molds for powder metallur...
Technical Characteristic
Main performance of graphite heater
The oxidation speed and volatilization speed of graphite affect the service life of the heating element. When the vacuum degree is 10-3~10-4 mmHg, the operating temperature should be below 2300℃. In the protective atmosphere (H2, N2, Ar, etc.), the operating temperature can reach 3000℃. Graphite cannot be used in the air, otherwise it will be oxidized and consumed.
The thermal expansion coefficient of graphite is small, and the...
Square graphite boat
The graphite boat itself is a kind of carrier, which can put the raw materials and parts that we need to position or shape together in it for high-temperature sintering. The graphite boat is made of artificial graphite through mechanical processing. So it is sometimes called a graphite boat, and sometimes it is called a graphite boat.
Graphite half circle is mainly used in various vacuum resistance furnaces, induction furnaces, sintering furnaces, brazing furnaces, i...
Graphite Boat
Graphite box (graphite boat) itself is a carrier, we can put the raw materials and parts we need to locate or finalize the design together in which high temperature sintering molding. Graphite box is made of artificial graphite by mechanical processing. So sometimes it’s called a graphite box, sometimes it’s called a graphite boat. The graphite box is mainly used in various vacuum resistance furnaces, induction furnaces, sintering furnaces, brazing furnaces, io...
Graphite Crucible
High-purity graphite has the characteristics of high strength, high density, high purity, high chemical stability, compact and uniform structure, high temperature resistance, high electrical conductivity, good wear resistance, self-lubricating, and easy processing. It is widely used in metallurgy, chemical industry, and aerospace. , Electronics, machinery, nuclear energy and other industrial fields. Especially large-scale and high-quality high-purity graphite, as an alt...
Graphite felt
Graphite felt is divided into pitch-based graphite felt, polyacrylonitrile-based (PAN-based) graphite felt, and viscose-based graphite felt due to the different selection of original felts. The main purpose is to be used as heat preservation and heat insulation materials for monocrystalline silicon smelting furnaces. In the chemical industry, it can be used as a filter material for high-purity corrosive chemical reagents.
Carbon felt is graphite felt after being treated at ...