• SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible System 1
  • SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible System 2
  • SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible System 3
  • SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible System 4
  • SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible System 5
SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible

Graphite Crucible Diy for Melting Aluminium, Copper, Brass - SIC Crucible

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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 for SiC Graphite Crucibles

Type:

High Strength, graphite crucible crucible

Application:

melting metal

Height:

as your requirements

Composition:

High Pure

Top Diameter:

10-600mm

Bottom Diameter:

10-1000mm

Place of Origin:

 China (Mainland)

Brand Name:


Model Number:


Color:

Black grey

Si3N4%:

5min

Fe2O3%:

0.7max

C%:

30-45

Apparent porosity:

30max

Refractoriness:

1680

Bulk Density:

1.71min

Using life:

>5000 hours

MAX temperature:

1600c

Packaging & Delivery

Packaging Details:Seaworty packing or as per customer's detail requirement of graphite crucible.
Delivery Detail:within 20-30 days after confirm order of graphite cru

SiC Graphite Crucibles For Melting Aluminium And Copper, Brass                              

 

Product Description

 

Specifications for Graphite Silicon Carbide Crucible For Aluminum Melting :

1.Long working lifetime: its working lifetime is increased 3-5 times over normal clay-crucible due to the compact body formed under high pressure.

2.High thermal conductivity: high-density body and low apparent porosity greatly improve its heat conductivity.

3.New-style materials: new heat conduction material ensures faster heat conductivity and pollution-free product, reduces adherent slag.

4.Resistance to corrosion:better anti-corrosion than normal clay-crucible.

5.Resistance to oxidation: advanced process dramatically improves its oxidation resistance, which ensures persistent heat conductivity and long working lifetime.

6.High-strength: high-density body and logical structure make the product better compression property.

7.Eco-friendly: energy-efficient and pollution-free, not only ensure metal product purity, but also ensure sustainable development on environment.

8.Multi-function: Can be used in induction graphite crucible furnace

SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible

SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible


 

Graphite crucible can withstand the high temperature, and has good resistance to chemical erosions and thermal shock. Especially graphite crucible is ideal for the melting of aluminum, copper and etc.

 

  

Bulk Density

g/cc

1.70-1.88

Specific Resistance

μΩ.m

6.0-15.0

Compressive Strength

MPa

30-80

Bending Strength

MPa

20-45

Shore hardness


30-70

C.T.E.(100-600°C)

 x10-6 /°C

2.5-5.5

Ash

%

0.01-0.2

Maximum Grain Size

mm

0.044-0




Other Products


SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible

SiC Crucibles For Melting Aluminium And Copper, Brass, SIC Graphite Crucible



FAQ

  1.What's your MOQ?

 We will indicate the MOQ for each item in the quotation list. We accept the sample and trail order. 

2.Can I negotiate the Prices?

Sure, we may consider discounts for bulk order of products.

3.How long will it take to complete my order?

For the stock items, we can arrange the shippment within 2~3days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.

4.Can you give warranty of your products?

Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with N&D's Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail. We will provide the replacements to you at our cost according to actual conditions.

5.Can I visit you?

Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.


Q:What are the different methods of preventing graphite crucible leakage?
To prevent graphite crucible leakage, there are various approaches that can be utilized. To begin with, ensuring the crucible is properly prepared and installed is essential. This involves thoroughly cleaning the surfaces of the crucible and the lid or cover that it mates with. By eliminating any dirt or debris, a tighter seal can be achieved. Additionally, applying a thin layer of graphite lubricant or a high-temperature sealant to the mating surfaces can aid in creating a more secure seal, thus preventing leakage. Another effective method is the utilization of gaskets or O-rings between the crucible and the lid. These gaskets, typically composed of materials like graphite, ceramic fiber, or metal, are designed to provide a reliable seal. Placing the gasket between the crucible and the lid establishes a barrier, effectively preventing any molten metal or other substances from escaping. Proper tightening of the crucible lid or cover is also crucial in preventing leakage. Excessive tightening can lead to damage and subsequent leaks, while insufficient tightening can result in a loose seal. Adhering to the manufacturer's recommended torque specifications for the lid or cover is imperative to ensure a proper seal. In addition, regular inspection and maintenance of the crucible play a vital role in preventing leakage. Promptly addressing any signs of cracks, chips, or deterioration is essential, as these issues can compromise the crucible's integrity. By either replacing damaged crucibles or carrying out timely repairs, the risk of leakage can be minimized. Furthermore, proper handling and usage of the crucible contribute significantly to leakage prevention. Avoiding sudden temperature changes, thermal shocks, and excessive mechanical stresses can help prolong the crucible's lifespan and maintain its integrity. It is essential to follow the manufacturer's recommended operating procedures and guidelines to ensure the crucible remains intact and leakage-free. In conclusion, by implementing these methods - proper preparation and installation, utilization of gaskets or O-rings, correct lid tightening, regular inspection and maintenance, and appropriate handling - leakage in graphite crucibles can be effectively prevented, guaranteeing a safe and efficient operation.
Q:Are graphite crucibles suitable for melting superalloys?
No, graphite crucibles are not suitable for melting superalloys.
Q:Is the graphite oven heating evenly?
If in the final stage of ashing, the ashing temperature is certainly too high, and the ashing temperature should be lowered. If there are several possible factors in the pre atomization phase, 1, the temperature is unstable when atomized. 2, the liquid to digest not thoroughly, including part of the organic matter, leading to atomization of different substances in different stages of atomization.
Q:Can graphite crucibles be used for melting brass?
Yes, graphite crucibles can be used for melting brass. Graphite crucibles are commonly used in foundries and metalworking industries due to their high melting point and excellent thermal conductivity. They can withstand the high temperatures required to melt brass, making them suitable for this purpose.
Q:Is the silicon carbide crucible good for use? What's the difference between an ordinary graphite crucible and a graphite crucible?
The crucible can be placed on the iron tripod with either positive or oblique directions, and can be placed on the basis of the requirements of the experiment. When the crucible is heated, it cannot be immediately placed on a cold metal table to prevent it from breaking due to rapid cooling. It should not be placed on the wooden table immediately so as not to spoil the table or cause fire. The correct method is to cool the metal on the tripod or to let it cool slowly on the asbestos net. For crucible purposes, see the crucible tongs. The relevant information from the supply of silicon carbide crucible dachengxian Tianjin high silicon carbide crucible crucible factory released using the latest international technology of isostatic pressing method and strict quality assurance inspection system, using advanced refractory raw materials, high-tech formula developed a new generation of high-quality silicon carbide crucible, this product has a large volume density, high temperature resistant, fast heat, acid and alkali resistance, high temperature strength, oxidation resistance and high service life is 3 times that of the clay graphite crucible.
Q:Can graphite crucibles be used for alloy preparation?
Alloy preparation can indeed utilize graphite crucibles. These crucibles find wide usage in metallurgy and foundry applications owing to their remarkable attributes such as high melting point, chemical resistance, and thermal conductivity. The ability to endure the high temperatures essential for alloy preparation and the capability to melt different metals and alloys make graphite crucibles highly suitable. Furthermore, the melting process benefits from the stability and control provided by graphite crucibles, enabling precise alloy composition and uniformity. Moreover, graphite crucibles exhibit exceptional resistance to thermal shock, ensuring they remain intact even during sudden temperature fluctuations. Consequently, graphite crucibles emerge as a dependable choice for alloy preparation across diverse industries like automotive, aerospace, and manufacturing.
Q:You solved it. What happens if a quartz crucible is coated with a graphite crucible?
It doesn't work, but it just adds heat resistance. You get a pretty bad heating effect when you put things in. Of course, if you put it very, very tight, the graphite crucible may crack when heated.
Q:Can graphite crucibles be used for catalyst preparation?
Catalyst preparation can indeed make use of graphite crucibles. Given their exceptional thermal conductivity and resistance to thermal shock, graphite crucibles are frequently employed in high temperature scenarios. They are able to endure temperatures of up to 3000°C, rendering them well-suited for multiple catalyst preparation methods that necessitate high temperatures. Graphite crucibles furnish a steady and unreactive setting for catalyst synthesis and preparation. They do not readily interact with most chemicals, enabling compatibility with a wide array of catalyst materials and precursors. This facilitates effective catalyst synthesis without the risk of impurities or undesired reactions. Moreover, graphite crucibles are renowned for their durability and lengthy lifespan, making them a cost-effective choice for repetitive use in catalyst preparation. They can be effortlessly cleaned and reused, thereby reducing the overall expenditure of the catalyst preparation process. It is important to note that the selection of crucible material may be contingent upon the specific catalyst preparation process and the chemicals involved. While graphite crucibles generally prove suitable for numerous catalyst preparation applications, some highly reactive or corrosive chemicals may necessitate the use of alternative crucible materials, such as ceramic or quartz crucibles. Consequently, it is crucial to consider the specific requirements of the catalyst preparation process before opting for a particular crucible material.
Q:Can a graphite crucible be used for tin melting?
Yes, a graphite crucible can be used for tin melting. Graphite crucibles are widely used in various high-temperature applications, including the melting of metals like tin. Graphite is highly resistant to heat and has a high melting point, making it suitable for containing and withstanding the extreme temperatures needed for tin melting. Additionally, graphite has good thermal conductivity, which helps in achieving uniform heat distribution during the melting process. Therefore, a graphite crucible is a suitable choice for melting tin and is commonly used in foundries and metallurgical industries for this purpose.
Q:How does the hardness of graphite affect the performance of a crucible?
The hardness of graphite plays a significant role in the performance of a crucible. Graphite is a commonly used material for crucibles due to its high melting point, chemical inertness, and thermal conductivity. However, the hardness of the graphite used can greatly impact its durability and longevity. A harder graphite material tends to be more resistant to wear and tear, making it less prone to cracking or breaking under high temperatures or repeated use. This durability is crucial in maintaining the structural integrity of the crucible, as any damage can lead to contamination of the material being processed or a compromised containment of molten substances. Furthermore, a harder graphite crucible can withstand thermal shocks more effectively. The thermal expansion and contraction that occurs during heating and cooling cycles can cause stress on the crucible walls. A harder graphite material is less likely to undergo significant dimensional changes, reducing the risk of cracking or warping due to thermal stress. In addition, the hardness of graphite can affect its ability to resist chemical attack. While graphite is generally chemically inert, it can still be susceptible to certain chemicals or corrosive environments. A harder graphite material is typically more resistant to chemical reactions, providing better protection against erosion or degradation caused by the material being processed. Overall, the hardness of graphite directly impacts the performance of a crucible by influencing its durability, resistance to thermal shocks, and ability to resist chemical attack. Choosing a graphite material with appropriate hardness is essential to ensure the optimal performance and longevity of the crucible in various high-temperature applications.

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