Sic Graphite Crucible for Copper System 1

Sic Graphite Crucible for Copper

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1 pc

Supply Capability:: 1000 pc/month

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Quick Details

Application:	melting metals	Height:	depends on your requirement	Top Diameter:	10-1200mm
Bottom Diameter:	10-1200mm	Place of Origin:	China (Mainland)	Brand Name:
product name:	SiC graphite crucible china graphite crucible	top diameter:	10-1200mm	bottom diameter:	10-1200mm
height:	depends on your requirement	application:	melting gold,silver and other metals	Specific resistance:	≤14μΩ.m
Bending strength:	≥25MPa	Compressive strength:	≥50MPa	Bulk densit:	≥1.68g/cm3
Ash content:	≤0.15%

Packaging & Delivery

Packaging Details:	woden case for SiC graphite crucible china graphite crucible
Delivery Detail:	within 20 days

Introduction

1. Graphite crucible can be used for non-ferrous metal smelting and casting, dissolving gold

or silver ornaments, analysis of special type steel, sintering hard metal.

2. graphite crucible for smelting gold is specialized in melting gold in headgear and jewelryindustry. That requests graphite material has high density and purity, ablation-resistance, and it can be used many times. We can machine various crucibles accordingto customer's requirement.

3. Machined from high pure graphite and widely used in the gold,silver,platinum and other noble metal's melting.If it's used in oxygen atmosphere,it wil start to be oxygenized when the temperature is higher than 700-800°c. If it's used in the protective atmosphere, it can stand more than 2000°c.

4. widely used in such fields as industrial furnaces, mono-crystalline silicon machinery, mono-crystalline silicon machinery, electron, semi-conductor, metallurgy, oil, chemistry, textile, electrical machinery, electrical equipment, electrical furnace, traffic, communication industry, medicine, etc.

Advantages

1.good thermal conductivity

2.High-temperature resistance

3. Small thermal expansion coefficient.

4.Strong corrosion resistance to acid and alkali liquid

5.Good chemical stability

Technology parameter

Item	Unit	High pure graphite
		baked twice	baked three time	baked four times
		impregnated once	impregnated twice	impregnated three times
Grain size	mm	≤325mesh	≤325mesh	≤325mesh
Bulk density	g/cm3	≥1.68	≥1.78	≥1.85
Specific resistance	μΩ.m	≤14	≤14	≤13
Bending strength	MPa	≥25	≥40	≥45
Compressive strength	MPa	≥50	≥60	≥65
Ash content	%	≤0.15	≤0.1	≤0.05
We accept small orders,please inquiry us freely.

Item	Unit	Fine-grain Specialty Graphite model 1		Fine-grain Specialty Graphite model model2
Item	Unit	Guarantee value	Typical value	Guarantee value	Typical value
Max grain size	mm	0.8	0.8	0.8	0.8
Bulk density	g/cm3	≥1.70	1.73	≥1.73	1.76
Specific resistance	μΩ.m	≤8.5	7.5	≤8.0	7
Bending strength	MPa	≥10.0	11	≥12.0	12.5
Compressive strength	MPa	≥24.0	27	≥31.0	34
Thermal Condcutivity	W/(m.k)	≥120	150	≥130	160
C.T.E.(100-600) °C	10-6/°C	≤2.5	2.2	≤2.5	2.1
Ash content	%	≤0.3	0.09	≤0.3	0.09
We are always avliable to service you!

Parts sizes of graphite crucible table

Product name	Dimensions(mm)				Weight(g)
Product name	Φ1	Φ2	Φ3	H	Weight(g)
1 kg graphite crucible	58	47	35	88	160
2kg graphite crucible	65	58	44	110	240
2.5kg graphite crucible	65	58	44	126	300
3kg graphite crucible	85	75	60	105	390
4kg graphite crucible	85	75	60	130	500
4kg graphite crucible	85	75	60	136	500
5kg graphite crucible	100	89	69	130	700
5.5kg graphite crucible	105	90	70	156	800
6kg graphite crucible	110	97	79	174	970
We have all kinds of sizes graphite crucibles in stock,please feel free to contact us.

packaging & shipping

Packaging

1. For each type, we can send you the detailed high-resolution pictures since we have the sample in our hand.

2. For packaging, we have the professional packaging starff, pls. don't worry about the shipping.

Our service

1.Delivery time is 5~7 days for sample and 15 working days for bulk order;
2. Strong production capacity and strict quality control system;
3. Your inquiry and problems related to our products or prices will be replied in 24 hours;
4. Well-trained and experienced staffs to answer all your inquires;
5. After-sale tracking service for all of our clients;
6. OEM is available; small quantities, mixed bulk orders are also welcome;
7. Payment: L/C, D/A, D/P, T/T, Paypal , Western Union, MoneyGram;
8. Delivery way: UPS, DHL, TNT, FEDEX, EMS, CHINA POST.

After-Sales Service

1.1year warranty for most of our products;

2.We will arrange delivery of the goods on time:

3.Within the warranty period, we will bear all the qulity problem of our produts;

4.Beyond the warranty period, we will despatch the replacement parts to help fix the products;

5.Without any problem, we will gain the feedbacks of our products to help improve better products.

FAQ

Q:How to get in touch with us?
A:You can clik "Contact Supplier" above, or click "Chat Now!".   We provide 24-hour service!

Q: How can I get free samples?
A: Only carbon brush for power tools/automobiles/motorcycle----no more than 4 sets for each model is free of charge.

Q:How to order?
A:Quotation→Price comfirming→Sign a contract→Mass production→Delivery

Q:How to pay?
A:30% T/T deposit.→70% balance by T/T against B/L copy.

Q:How to get after-sales service?
A:You can contact with your appointed sales.
    You can also get in touch with our Quality Assurance Department: zdatzddt.com

Company Information

Sic Graphite Crucible for Copper

Other refractory materials for High temperature industry

Sic Graphite Crucible for Copper

Q:Does the graphite metal pad have any requirements on the sealing surface?: Graphite gasket:Graphite composite gasket commonly used internal reinforcement materials are SS304, SS316 or tinplate, etc., the thickness of 0.1~0.127mm, in the form of dash plate enhancement, mesh enhancement, plate enhancement. The commonly used material for the 304 reinforced graphite can be made into a circular geometry gasket is widely used in all kinds of pipes, valves, pumps, pressure vessels, heat exchanger, condenser, generator, air compressor, exhaust pipe, refrigerator etc.. Graphite reinforced gaskets can also be cut into complex gaskets such as water level gauges, gaskets, punching flanges, gaskets, and cylinder gaskets for automotive diesel engines.

Q:Can graphite crucibles be used for metal powder sintering?: Indeed, metal powder sintering can be accomplished using graphite crucibles. The utilization of graphite as crucible material is widespread owing to its elevated melting point, chemical inertness, and thermal conductivity. The process of metal powder sintering entails subjecting the powder to intense heat in order to fuse the particles together, and graphite crucibles possess the capability to withstand such high temperatures without undergoing any reaction with the metal powders. Moreover, the commendable thermal conductivity of graphite crucibles facilitates the even distribution of heat, thereby ensuring the uniform sintering of the metal powder. Consequently, graphite crucibles are an appropriate choice for carrying out metal powder sintering procedures.

Q:Can graphite crucibles be used for carbon and graphite production?: Certainly! Graphite crucibles have the capability to facilitate carbon and graphite production. Manufactured using high-purity graphite, they are specifically engineered to endure intense temperatures and chemical interactions. With their exceptional thermal conductivity and resistance to thermal shock, these crucibles are exceptionally suitable for carbon and graphite production endeavors. Their versatility allows for utilization in diverse processes, encompassing the melting and refining of carbon and graphite substances. Moreover, graphite crucibles can be employed repeatedly, thus proving to be an economical option for carbon and graphite production.

Q:How do you prevent contamination of the melted material in a graphite crucible?: To avoid the contamination of the molten substance in a graphite crucible, there are several precautions that can be implemented: 1. It is crucial to properly clean and prepare the graphite crucible prior to its usage. It is imperative to remove any residual substance from previous uses completely. This can be accomplished by scrubbing the crucible with a brush and using an appropriate cleaning agent. 2. To prevent the transfer of any contaminants from hands onto the crucible's surface, it is important to handle the crucible with clean gloves. 3. When loading the substance into the crucible, it is essential to ensure that the material is devoid of impurities. Any foreign particles or contaminants should be eliminated before loading. 4. To minimize the risk of contamination, the crucible should be placed in a clean and controlled environment. It is advisable to avoid placing the crucible on surfaces that are dirty or contaminated, as this may compromise the integrity of the molten substance. 5. While transferring the crucible into the melting apparatus, caution should be exercised to prevent contact with any contaminants. The use of clean tools and equipment is crucial during this process. 6. Gradual and slow heating of the crucible can aid in the prevention of contamination. Rapid temperature changes can result in the vaporization of impurities or residues, leading to contamination of the molten substance. 7. It is recommended to utilize a lid or cover on the crucible during the melting process. This measure serves to prevent the entry of airborne contaminants into the crucible, thereby safeguarding the purity of the molten substance. 8. Regular inspection and maintenance of the crucible are necessary to identify any indications of contamination. If any contamination is detected, thorough cleaning of the crucible should be conducted before further use. By adhering to these preventative measures, the likelihood of contamination in a graphite crucible can be significantly decreased, ensuring the purity and integrity of the molten substance.

Q:What are the catalysts for making SiC from rice husk?: Rice husk is a by-product of rice mill processing, accounting for about 20% of the total output of rice. At present, rice husk is more than 60 Mt of rice husk all over the world. Therefore, many places regard rice husk as a waste, which not only wastes resources, but also pollutes the environment. It is of great significance to study and solve the reasonable utilization of rice husk and turn waste into treasure. Using rice husk as raw material can be produced in excess of the value of its own several chemical products, especially the cutting-edge science indispensable high-tech products, which is one of the important products of silicon carbide, and the production process is simple, easy to control, low cost, greatly improves the utilization ratio of rice husk. (rice husk, silicon carbide) (rice husk * SiC)

Q:How to cast aluminum parts: After the molten aluminum, the temperature increased to more than 850 degrees, adding silicon powder mixing, heat preservation 40-60min, the temperature of 720-750 degrees into the metal mold can be.

Q:How does the wear resistance of graphite affect the performance of a crucible?: The performance of a crucible is heavily dependent on the wear resistance of graphite. A crucible, which is used to hold and heat materials at high temperatures in industrial processes, often relies on graphite due to its unique properties, including high thermal conductivity, chemical inertness, and thermal stability. When it comes to a crucible, its ability to endure wear and erosion caused by intense heat and chemical reactions is a major factor. Graphite, known for its exceptional wear resistance, can withstand these harsh conditions, making it an ideal material for crucibles. By ensuring wear resistance, graphite helps maintain the structural integrity of the crucible, preventing degradation or breakdown during use. This is crucial in preventing contamination of the materials being processed or heated in the crucible. Contamination can negatively impact the final product's quality and purity, resulting in financial losses and compromised performance. Furthermore, graphite's wear resistance affects the lifespan of the crucible. A crucible with high wear resistance will last longer, reducing maintenance costs and improving efficiency in industrial processes. This allows for repeated use without frequent replacement, which can be both time-consuming and expensive. Moreover, graphite's wear resistance also influences the crucible's thermal stability. With its high melting point, graphite can withstand extreme temperatures without deforming or losing structural integrity. This ensures that the crucible maintains its shape, preventing cracks or warping under thermal stress. The ability to withstand high temperatures is vital for processes that involve prolonged heating or exposure to intense heat. In conclusion, the wear resistance of graphite significantly impacts the performance of a crucible. Its ability to endure wear and erosion helps maintain the crucible's structural integrity, prevents contamination, and extends its lifespan. Additionally, graphite's thermal stability allows the crucible to withstand high temperatures without deforming or breaking down. Overall, the wear resistance of graphite is a critical factor in determining the efficiency and reliability of a crucible in various industrial applications.

Q:How do you prevent graphite crucibles from thermal expansion-related issues?: There are several measures that can be taken to prevent issues related to thermal expansion in graphite crucibles: 1. Gradual preheating is essential before using a graphite crucible. This process eliminates any residual moisture and volatile substances in the crucible, while also allowing uniform expansion and reducing the risk of thermal shock. 2. Careful cooling is crucial after use. Sudden temperature changes can cause thermal stress and result in cracking or fracturing. Allowing the crucible to cool gradually ensures controlled thermal expansion and minimizes the risk of damage. 3. It is important to avoid subjecting the crucible to extreme temperatures. Each graphite crucible has a specific temperature range within which it can safely operate. Following the manufacturer's guidelines and not exposing the crucible to extreme temperatures is essential to prevent thermal expansion-related issues. 4. Proper handling and storage are necessary to avoid damage to the crucible. Dropping or impacting the crucible can weaken its structure and make it more susceptible to thermal expansion issues. Additionally, storing the crucibles in a cool and dry environment prevents moisture absorption, which can affect their thermal stability. 5. Regular inspection is important to identify any signs of wear, cracks, or other damage in the graphite crucibles. It is crucial to replace any crucibles that show degradation to prevent potential thermal expansion-related issues during use. By following these preventive measures, the risk of thermal expansion-related issues in graphite crucibles can be significantly reduced, ensuring their longevity and optimal performance.

Q:The graphite boat loading and loading real real graphite boat is what?: Main features:1, can make accurate Shi Mozhou bearing loading vehicle positioning;2 、 made of stainless steel, the structure of the whole machine is firm and reliable;3 、 adopt GK series high efficiency air filter 3;4, PECVD carrier car inside, can tilt 15 degrees or rotate 180 degrees;5 、 purification fan noise is less than 50dB.6, to ensure that the work area to achieve the requirements of cleanliness 100.

Q:What is graphite?: Graphite is a carbon crystal, is a non-metallic materials, color silver gray, soft, with a metallic luster. Mohs hardness is 1~2, specific gravity 2.2~2.3, and its bulk density is generally 1.5~1.8.The high melting point of graphite, trend began to soften under vacuum to 3000 DEG C when the melting state, up to 3600 degrees Celsius began when the evaporation of graphite sublimation, the general strength of materials under high temperature gradually decreased, while the graphite in the heating to 2000 DEG C, rather than the room temperature strength is doubled, but the oxidation resistance of graphite poor performance with temperature increased oxidation rate increased.Graphite has a fairly high thermal conductivity and conductivity, its conductivity is 4 times higher than stainless steel, 2 times higher than carbon steel, 100 times higher than ordinary non-metallic. Its thermal conductivity is not only more than steel, iron, lead and other metal materials, and with the rise in temperature, thermal conductivity decreases, which is different from the general metal materials, at very high temperatures, graphite and even tend to adiabatic state. Therefore, the heat insulation properties of graphite are very reliable under ultra high temperature.

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