Sic Graphite Crucible in MF Induction Furnace

Sic Graphite Crucible in MF Induction Furnace System 1

Sic Graphite Crucible in MF Induction Furnace

Ref Price:

Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1 pc

Supply Capability:: 1000 pc/month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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 in MF Induction Furnace

Other refractory materials for High temperature industry

Sic Graphite Crucible in MF Induction Furnace

Q:How do you determine the appropriate crucible diameter for a specific application?: The appropriate crucible diameter for a specific application is typically determined by considering factors such as the desired sample size, the melting or reaction temperature, the thermal conductivity of the material being heated, and the available heating equipment. Additionally, the crucible should have sufficient room for the sample to expand during heating without overflowing. It is important to consult relevant literature, technical specifications, or seek expert advice to ensure the appropriate crucible diameter is selected for the specific application.

Q:How do you prevent graphite crucibles from sticking to the melted material?: To prevent graphite crucibles from sticking to the melted material, there are several steps that can be taken: 1. Apply a release agent: Before placing the material in the crucible, a thin layer of a release agent can be applied to the inside surface of the crucible. This can be done using a brush or spray. The release agent acts as a barrier between the crucible and the melted material, preventing them from sticking together. 2. Preheat the crucible: Prior to adding the material, preheating the graphite crucible can help reduce the chances of sticking. Heating the crucible to a temperature slightly higher than the melting point of the material can create a thermal barrier that prevents the material from adhering to the crucible. 3. Use flux: In some cases, the addition of a flux can help prevent sticking. Flux is a chemical compound that lowers the melting point of the material and facilitates its flow. It can also act as a protective barrier between the crucible and the melted material, preventing them from sticking together. 4. Control the temperature: It is important to maintain the proper temperature throughout the melting process. If the temperature is too high, it can cause the material to become more reactive with the crucible, leading to sticking. Conversely, if the temperature is too low, the material may not fully melt, increasing the chances of sticking. Following the recommended temperature range for the material being melted can help prevent sticking. 5. Properly clean and maintain the crucible: Regularly cleaning the crucible after each use is essential to prevent buildup or contamination that can lead to sticking. It is important to remove any residual material or debris from the crucible using appropriate cleaning methods. Additionally, inspecting the crucible for any signs of wear or damage and replacing it when necessary can help prevent sticking. By following these preventive measures, the risk of graphite crucibles sticking to the melted material can be significantly minimized, ensuring a smooth and efficient melting process.

Q:How does the wall thickness of a graphite crucible affect the melting process?: The wall thickness of a graphite crucible affects the melting process by influencing the rate of heat transfer. A thicker wall can retain heat for a longer period, resulting in slower melting times. Conversely, a thinner wall allows for faster heat transfer, leading to quicker melting. Additionally, the thickness can also impact the crucible's durability and resistance to thermal shock.

Q:What are the common defects found in graphite crucibles?: Common defects found in graphite crucibles include cracks, chips, erosion, and oxidation. These defects can occur due to thermal shock, mechanical stress, chemical reactions, or prolonged use at high temperatures.

Q:Use the tripod why use mud, and mud and three foot tripod supporting in the use of the crucible?: In addition, the mud triangle is insulated. The crucible is hot, touching the three feet directly, and the three stand will get hot, so you can't move the three leg with your hands

Q:Are graphite crucibles suitable for rapid prototyping processes?: Rapid prototyping processes benefit greatly from the use of graphite crucibles. Graphite, as a highly versatile material, provides numerous advantages in this context. To begin with, the exceptional thermal conductivity of graphite enables efficient and uniform heat transfer. This attribute is particularly crucial in rapid prototyping, where achieving quick turnaround times necessitates rapid and precise heating and cooling cycles. By ensuring even distribution of heat throughout the crucible, graphite minimizes the risk of thermal gradients that could potentially compromise the quality of the prototype. Moreover, graphite crucibles possess high melting points and exhibit remarkable resistance to extreme temperatures. This is of utmost importance in rapid prototyping, where materials like metals and alloys with elevated melting points are commonly employed. The ability of graphite crucibles to endure these high temperatures without melting or deforming ensures their suitability for rapid prototyping processes. Additionally, graphite demonstrates chemical inertness, meaning it does not react with most materials. This feature proves advantageous in rapid prototyping applications, as it allows for the use of a wide range of materials without the concern of contamination. Whether melting metals, alloys, ceramics, or glass, graphite crucibles exhibit versatility in the realm of rapid prototyping. Furthermore, graphite crucibles possess durability and longevity, rendering them suitable for repeated use in rapid prototyping processes. They can withstand the mechanical stresses associated with frequent heating and cooling cycles, thus ensuring reliability and cost-effectiveness. In conclusion, graphite crucibles serve as highly suitable tools for rapid prototyping processes. Their outstanding thermal conductivity, high melting points, chemical inertness, and durability contribute to the efficient and precise production of prototypes using a wide variety of materials.

Q:What are the different methods of preventing graphite crucible scaling?: To prevent the formation of surface oxidation or corrosion on graphite crucibles, there are several methods that can be utilized: 1. Prior to initial use, it is common practice to pre-treat the graphite crucible. This involves subjecting the crucible to high temperatures in an inert atmosphere, such as argon or nitrogen. This process aids in the creation of a protective layer on the crucible's surface. This layer acts as a barrier against oxidation and prevents scaling during subsequent operations. 2. Applying a protective coating to the crucible's surface can also help prevent scaling. Coatings made from materials like boron nitride, zirconium diboride, or alumina can be used to establish a barrier between the crucible and the reactive environment. These coatings possess high resistance to oxidation and corrosion, thereby prolonging the crucible's lifespan. 3. The addition of fluxing agents to the crucible charge can effectively reduce scaling. Fluxes like borax or potassium carbonate react with any impurities or oxides present in the crucible, resulting in the formation of a slag. This slag layer acts as a protective barrier, preventing further oxidation of the crucible. 4. Employing a controlled atmosphere during operations can greatly minimize scaling. For instance, utilizing an inert gas such as argon or nitrogen during the heating or melting process creates an oxygen-free environment, thereby reducing the chances of oxidation or scaling. This method is particularly effective in high-temperature applications. 5. Proper storage and handling of graphite crucibles are crucial in preventing scaling. It is essential to store the crucible in a dry and clean environment, away from any moisture or corrosive substances. Additionally, handling the crucible with clean gloves or tools can prevent contamination and minimize the risk of scaling. In conclusion, there are various methods available to prevent graphite crucible scaling, including pre-treatment, coating, the use of fluxing agents, controlled atmosphere, and proper storage and handling. By implementing these measures, the lifespan of the crucible can be extended, ensuring optimal performance in a wide range of high-temperature applications.

Q:Can graphite crucibles be used for metal powder sintering?: Yes, graphite crucibles can be used for metal powder sintering. Graphite is a commonly used material for crucibles due to its high melting point, chemical inertness, and thermal conductivity. Metal powder sintering involves heating the powder to a high temperature to bond the particles together, and graphite crucibles are able to withstand these high temperatures without reacting with the metal powders. Additionally, graphite crucibles have good thermal conductivity, which helps to evenly distribute heat and ensure uniform sintering of the metal powder. Therefore, graphite crucibles are a suitable choice for metal powder sintering processes.

Q:Are there any safety concerns associated with using graphite crucibles?: Yes, there are some safety concerns associated with using graphite crucibles. Firstly, graphite crucibles can become very hot when used in high-temperature applications, such as melting metals. This can pose a burn hazard if not handled properly. It is important to use appropriate protective equipment, such as heat-resistant gloves and clothing, when working with hot graphite crucibles. Secondly, graphite can release fine particles or dust when it is used or manipulated. Inhaling graphite dust can be harmful to the respiratory system, especially if exposure is prolonged or in high concentrations. It is advisable to work in a well-ventilated area or use respiratory protection, such as masks, to minimize the risk of inhalation. Additionally, graphite crucibles can react with certain chemicals or substances, particularly strong oxidizers, which can cause chemical reactions and potentially result in fires or explosions. It is crucial to be aware of the compatibility of graphite crucibles with the materials being handled and to handle them accordingly to prevent any hazardous reactions. Lastly, graphite crucibles can be fragile and prone to breakage if mishandled or subjected to sudden temperature changes. Broken crucibles can cause sharp edges or fragments that can cause injuries if not handled with caution. Overall, while graphite crucibles are widely used and generally considered safe, it is important to be aware of and address these safety concerns to ensure safe handling and minimize any potential risks.

Q:What is the conductivity of graphite and copper, iron and zinc?: Graphite and copper, iron, and zinc are electrically conductive. The conductivity and thermal conductivity are different for different grades of materials. It is necessary to determine the material or grade of the graphite to have the corresponding technical parameters. The letter Ruida graphite thermal field | graphite heater | graphite crucible | isostatic graphite, when processing will also consider these problems, depends on the specific application!

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range