Sic Graphite Crucible for melting ALuminum

Sic Graphite Crucible for melting ALuminum System 1

Sic Graphite Crucible for melting ALuminum

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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 melting ALuminum

Other refractory materials for High temperature industry

Sic Graphite Crucible for melting ALuminum

Q:Is it possible to customize the shape or design of a graphite crucible?: Yes, it is possible to customize the shape or design of a graphite crucible. Graphite is a highly versatile material that can be easily manipulated and molded into various shapes and sizes. This allows for customization to meet specific requirements or applications, such as different capacities, dimensions, or specialized designs.

Q:Can graphite crucibles be used for powder compaction?: No, graphite crucibles are not suitable for powder compaction as they are primarily used for high-temperature applications such as melting or casting metals, not for compressing powders.

Q:What are the different methods of preventing oxidation in a graphite crucible?: There are various techniques available to prevent oxidation in a graphite crucible. 1. Coating: An effective approach involves the application of a protective coating on the inner surface of the crucible. This coating acts as a barrier, preventing direct contact between the crucible and the oxidizing atmosphere. Refractory materials like zirconium oxide or alumina are commonly used for this purpose. 2. Preheating: Another method that works well is preheating the crucible prior to use. Subjecting the graphite crucible to high temperatures helps eliminate any impurities or volatile substances present, leaving behind a more stable and less vulnerable surface. This aids in minimizing oxidation during subsequent use. 3. Vacuum or inert gas environment: Performing operations within a vacuum or an inert gas environment, such as argon or nitrogen, can significantly reduce the likelihood of oxidation. These environments lack oxygen, which is necessary for oxidation to occur. By eliminating or reducing the presence of oxygen, the graphite crucible remains shielded from oxidation. 4. Temperature control: Properly managing the temperature also plays a crucial role in preventing oxidation in a graphite crucible. Excessive and prolonged exposure to high temperatures can accelerate oxidation. By maintaining the temperature within a specific range and avoiding abrupt temperature changes, oxidation can be kept to a minimum. 5. Regular cleaning and maintenance: Lastly, regular cleaning and maintenance of the crucible are imperative to prevent oxidation. Removing any accumulated contaminants or residues from the surface helps preserve the integrity of the crucible and safeguards against oxidation during subsequent use. It is important to consider that the choice of method may vary depending on the specific application and requirements. Factors such as the nature of the materials being processed, the operating conditions, and the desired level of protection against oxidation should be taken into account when selecting an appropriate method.

Q:Can a graphite crucible be used for melting rare earth metals?: Yes, a graphite crucible can be used for melting rare earth metals. Graphite is a suitable material for high-temperature applications, and it has good resistance to chemical reactions with various elements, including rare earth metals.

Q:Why does China choose quartz crucible directly in the aspect of Czochralski silicon?: Hello, quartz crucibles are the necessary accessories for CZ crystals. They have not been heard to replace quartz crucibles. You are new enough.

Q:What are the advantages of a smelting furnace using induction heating, and will it reduce costs?: The A option shows that the B error; C, the eddy current in the pan is related to the frequency of the magnetic field changes, so C is correct;

Q:Are graphite crucibles suitable for melting composite propellants?: Yes, graphite crucibles are suitable for melting composite propellants. Graphite is known for its high melting point, excellent thermal conductivity, and resistance to chemical reactions, making it an ideal material for containing and heating composite propellants during the melting process.

Q:Can graphite crucibles be used for metal powder sintering?: Yes, graphite crucibles can be used for metal powder sintering. Graphite crucibles are often preferred for sintering because they have excellent thermal conductivity and can withstand high temperatures. Additionally, graphite crucibles do not react with most metals, making them suitable for sintering various types of metal powders.

Q:How does the reactivity of graphite affect the performance of a crucible?: The reactivity of graphite directly affects the performance of a crucible. Graphite is known for its low reactivity and high thermal conductivity, making it an excellent material for crucibles. Its low reactivity means that it does not easily react with the substances being melted or heated inside the crucible, ensuring that the purity of the materials is maintained. This is particularly important in applications such as chemical analysis and metallurgy, where maintaining the integrity of the sample is crucial. Furthermore, the high thermal conductivity of graphite allows for efficient heat transfer, ensuring that the heat is evenly distributed throughout the crucible. This property helps in achieving uniform heating and melting of substances inside the crucible, leading to consistent and accurate results. In addition to its low reactivity and high thermal conductivity, graphite also has a high melting point, making it capable of withstanding high temperatures without deforming or breaking. This is essential for applications that involve high-temperature processes, such as melting metals or performing high-temperature chemical reactions. Overall, the reactivity of graphite plays a vital role in the performance of a crucible by ensuring the purity of the substances being heated, facilitating efficient heat transfer, and withstanding high temperatures.

Q:Can graphite crucibles be used for rapid thermal cycling?: Yes, graphite crucibles can be used for rapid thermal cycling. Graphite has excellent thermal conductivity and high heat resistance, making it suitable for rapid temperature changes. This means that graphite crucibles can withstand the rapid heating and cooling required for thermal cycling processes. Additionally, graphite has a low coefficient of thermal expansion, which means it has minimal dimensional changes during temperature variations, making it ideal for repetitive thermal cycling.

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