SIC Graphite Crucible 2024 - Graphite Crucible Ebay

SIC Graphite Crucible 2024 - Graphite Crucible Ebay System 1

SIC Graphite Crucible 2024 - Graphite Crucible Ebay System 2

SIC Graphite Crucible 2024 - Graphite Crucible Ebay

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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 2015

Q:How do you prevent graphite crucibles from cracking or breaking?: To prevent graphite crucibles from cracking or breaking, there are several key factors to consider: 1. Proper handling: Graphite crucibles should be handled with care, avoiding any impact or rough handling that could cause stress and potential damage. Always use appropriate lifting tools and avoid dropping or hitting the crucibles against hard surfaces. 2. Controlled heating and cooling: Graphite crucibles should be heated and cooled gradually to prevent thermal shock. Sudden temperature changes can cause stress and cracks in the crucible. It is recommended to use a programmable furnace or kiln that allows for controlled and gradual temperature changes. 3. Preheating: Before using a new graphite crucible or when reusing a previously used one, it is important to preheat it slowly to remove any moisture or impurities that could cause thermal expansion and lead to cracking. This can be done by gradually increasing the temperature in the furnace. 4. Avoid overloading: Graphite crucibles have a maximum capacity that should not be exceeded. Overloading the crucible can cause excessive stress during heating and may lead to cracks or breakage. Always follow the manufacturer's recommendations regarding the maximum capacity of the crucible. 5. Avoid rapid cooling: After using a graphite crucible, it is important to allow it to cool down gradually. Avoid exposing the hot crucible to cold air or water, as rapid cooling can cause thermal shock and result in cracking. Instead, let it cool naturally in the furnace or kiln before removing it. 6. Regular maintenance: Inspect graphite crucibles regularly for any signs of wear, such as cracks, chips, or erosion. Replace any damaged crucibles immediately to avoid further damage during use. Additionally, proper cleaning and storage of crucibles when not in use can help prolong their lifespan. By following these guidelines, you can greatly reduce the risk of cracking or breaking graphite crucibles, ensuring their longevity and optimal performance in various applications.

Q:Can a graphite crucible be used for melting magnetic materials?: No, a graphite crucible cannot be used for melting magnetic materials. Graphite is a non-magnetic material and does not have the ability to generate or sustain a magnetic field. Therefore, it would not be suitable for melting magnetic materials, as it would not be able to interact with or contain them effectively.

Q:Are graphite crucibles suitable for use in a vacuum environment?: Yes, graphite crucibles are suitable for use in a vacuum environment. Graphite has a high melting point and excellent thermal conductivity, making it an ideal material for containing and heating materials in a vacuum. Additionally, graphite is chemically inert and has low outgassing properties, which ensures minimal contamination or reaction with the vacuum environment.

Q:How do you determine the appropriate crucible material for a specific application?: To ascertain the suitable crucible material for a particular application, one must take into account several factors. First and foremost, it is crucial to assess the temperature range of the application. Different crucible materials possess varying temperature limitations. For applications that involve high temperatures, materials like graphite or refractory metals such as tungsten or molybdenum might be appropriate. Conversely, for applications with lower temperatures, materials like porcelain or alumina may suffice. Secondly, one should evaluate the chemical compatibility between the crucible material and the substances employed in the application. Certain materials may react with specific chemicals or gases, resulting in contamination or deterioration of the crucible. Therefore, it is imperative to choose a material that is chemically inert or resistant to the substances utilized. Thirdly, consideration should be given to the thermal conductivity and thermal shock resistance of the crucible material. Some applications necessitate rapid heating and cooling cycles, which can subject the crucible to thermal stress. In such cases, materials with high thermal shock resistance, such as quartz or boron nitride, may be more suitable. Furthermore, the mechanical strength and durability of the crucible material should be taken into account. Certain applications involve mechanical forces, stirring, or pouring of molten materials, which can impose physical stress on the crucible. Materials like silicon carbide or stainless steel exhibit good mechanical strength and can withstand such conditions. Lastly, the cost and availability of the crucible material should be considered. While certain materials, like platinum or iridium, offer exceptional performance, they can be expensive and challenging to procure. Thus, striking a balance between performance and cost-effectiveness is important. In conclusion, determining the appropriate crucible material for a specific application necessitates careful consideration of factors such as temperature range, chemical compatibility, thermal conductivity and shock resistance, mechanical strength, and cost. By thoroughly evaluating these factors, one can select a crucible material that will effectively meet the requirements of the application.

Q:Can graphite crucibles be used for electrode production?: Yes, graphite crucibles can be used for electrode production. Graphite is an excellent material for electrodes due to its high melting point, thermal conductivity, and electrical conductivity. Graphite crucibles provide a suitable environment for melting and shaping metals to form electrodes, making them a common choice in electrode production processes.

Q:Melting the iron in the graphite crucible. Does the graphite in the crucible turn into carbon and it melts into the steel?: In addition to carbon, charcoal contains hydrogen, oxygen, nitrogen, and a small amount of other elements. Carbon in charcoal is not a transition crystal like graphite, but amorphous carbon and no C-C covalent bonds. Charcoal ignition is 320-370 DEG C, the general fire than the high temperature, so the charcoal can be lit.

Q:What is the conductivity of graphite and the conductivity of graphite?: The conductivity and thermal conductivity are different for different grades of materials.

Q:Graphite grinding out of soy milk foam, how to foam?: Don't skim it. Cook it over a little fire and you'll disappear!The soya bean milk machine is equipped with a strainer, and you can throw it away when you pour it out.Graphite graphite products - graphite processing - graphite crucible - Graphite tableware for you to answer.

Q:Are graphite crucibles suitable for use in microwave heating?: No, graphite crucibles are not suitable for use in microwave heating. Graphite is a conductor of electricity and microwaves heat by generating electromagnetic waves that cause water molecules to vibrate and generate heat. Since graphite is conductive, it will not absorb the microwave energy efficiently and may cause arcing or damage to the microwave oven. Additionally, graphite crucibles can also release particles into the food or substance being heated, making them unsuitable for microwave use. It is best to use microwave-safe containers specifically designed for heating in microwaves.

Q:What can replace a graphite crucible?: Silicon carbide crucibles can be used instead of graphite crucibles.

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