Sic Graphite Crucible for High Temperature

Sic Graphite Crucible for High Temperature System 1

Sic Graphite Crucible for High Temperature

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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 High Temperature

Other refractory materials for High temperature industry

Sic Graphite Crucible for High Temperature

Q:I'd like to smelt 104 aluminium alloy by medium frequency furnace. What should I pay attention to? Please point it out, thank you!: I can not decide which is good. I just want to talk about the smelting methods of some nonferrous alloys of my own experience. (1) casting, casting, tin bronze, 5-5-5, fused magnesia, medium frequency furnace smelting. Carbon contamination of aluminum alloy and copper alloy

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:Graphite crucible used six or seven times on how bad?: And the solution in the barrier, is it right?. The main check temperature should not be too fast, rapid cooling.

Q:What is the porcelain crucible with a small hole under it?: The main material of the graphite crucible is crystalline natural graphite. Therefore, it keeps all kinds of physical and chemical characteristics of natural right ink. That is: good thermal conductivity and high temperature resistance, in the process of high temperature use, the coefficient of thermal expansion is small, and has a certain strain resistance to hot and cold. The corrosion resistance of acid and alkaline solution is strong, and it has good chemical stability.

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 with induction heating?: Yes, graphite crucibles can be used with induction heating. Graphite has excellent thermal conductivity and can withstand high temperatures, making it suitable for use in induction heating processes. Additionally, graphite crucibles are often preferred for their ability to withstand thermal shock and chemical corrosion, which are common in induction heating applications.

Q:What is the maximum temperature that a graphite crucible can withstand?: The maximum temperature that a graphite crucible can withstand can vary depending on the specific type and quality of the graphite material used. Generally, graphite crucibles are designed to withstand extremely high temperatures, typically ranging from 2000 to 3000 degrees Celsius (3632 to 5432 degrees Fahrenheit). However, it is important to note that prolonged exposure to temperatures at the upper end of this range can potentially cause damage or degradation to the graphite crucible over time. Therefore, it is recommended to carefully follow the manufacturer's guidelines and specifications to ensure the crucible's maximum temperature limit is not exceeded.

Q:Can a graphite crucible be used for smelting or refining ores?: Certainly! A graphite crucible is capable of being utilized for the purpose of smelting or refining ores. High-temperature applications, such as metal smelting and refining, often rely on the usage of graphite crucibles. Due to its exceptional thermal conductivity and high melting point, graphite emerges as an optimal material for effectively containing and distributing heat throughout the smelting or refining procedure. Furthermore, the chemical resistance of graphite crucibles proves to be advantageous as it enables them to endure the corrosive properties of both the ores and the chemicals involved in the refining process. All in all, graphite crucibles are widely favored for smelting and refining operations due to their robustness, ability to withstand extreme heat, and chemical stability.

Q:How does the porosity of graphite affect the performance of a crucible?: The performance of a crucible is influenced by the porosity of graphite in several ways. Initially, the ability of the crucible to withstand high temperatures is determined by its porosity. If the graphite crucible is more porous, it will exhibit greater resistance to thermal shock, enabling it to endure rapid temperature changes without cracking or breaking. This characteristic is particularly crucial in situations where the crucible is exposed to extreme heat, as it guarantees the crucible's integrity and prevents any compromise to the material being heated. Additionally, the porosity of graphite also impacts the crucible's heat retention abilities. A more porous crucible possesses a larger surface area, facilitating the absorption and retention of heat for extended periods. This feature proves advantageous in applications that require consistent and prolonged heating, as it enables the crucible to provide a stable temperature environment for the processed material. Moreover, the porosity of graphite can influence the crucible's resistance to chemical corrosion. A crucible with higher porosity allows for improved diffusion of chemicals, thereby reducing the likelihood of chemical reactions occurring on the crucible's surface that could degrade its performance. This factor holds particular significance in industries such as metallurgy or chemistry, where corrosive substances are commonly utilized. In conclusion, the porosity of graphite plays a vital role in determining the performance of a crucible. It affects the crucible's resistance to thermal shock, its ability to retain heat, and its resistance to chemical corrosion. Therefore, it is imperative to select a crucible with the appropriate porosity in order to ensure optimal performance and durability in diverse high-temperature applications.

Q:Use the tripod why use mud, and mud and three foot tripod supporting in the use of the crucible?: The mud triangle is a shelfThree feet stand with a mud triangle and a crucible on the mud triangle

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