Sic Graphite Crucible with Long Working Life for Melting Metals

Sic Graphite Crucible with Long Working Life for Melting Metals System 1

Sic Graphite Crucible with Long Working Life for Melting Metals System 2

Sic Graphite Crucible with Long Working Life for Melting Metals

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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 Crucible with Long Working Life for Melting Metals

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 with Long Working Life for Melting Metals

Other refractory materials for High temperature industry

Sic Graphite Crucible with Long Working Life for Melting Metals

Q:Single crystal furnace quartz crucible cast 22 inch 175 kilograms of feed it: Back chaos, in fact we are very worried about the recovery of this material strength and composition by crucible crucible change can not be used, but also fast, so the results will soon be out.

Q:How do you prevent graphite crucibles from thermal shock during use?: To prevent graphite crucibles from thermal shock during use, there are several measures that can be taken: 1. Preheating: Before using the crucible, it is important to preheat it gradually. This can be done by placing the crucible in a kiln or furnace and slowly increasing the temperature. This process allows the crucible to expand uniformly and minimizes the risk of thermal shock. 2. Avoid sudden temperature changes: Graphite crucibles should be heated and cooled slowly to avoid abrupt temperature changes. Rapid heating or cooling can cause thermal stress, leading to cracks or even breakage. It is advisable to use a programmable kiln or furnace that allows for controlled temperature ramping and cooling rates. 3. Use insulating materials: Insulating materials, such as ceramic fiber blankets or boards, can be used to surround the crucible during heating and cooling processes. These materials provide thermal insulation, reducing the rate of temperature change and minimizing the risk of thermal shock. 4. Proper handling: It is important to handle graphite crucibles with care to prevent accidental impacts or drops, which can cause cracks or fractures. Always use appropriate tools or tongs when moving or manipulating the crucible to avoid physical damage. 5. Avoid contact with water or other coolants: Graphite crucibles should not come into direct contact with water or other coolants while they are at high temperatures. This can cause rapid cooling and thermal shock. If cooling is necessary, it is recommended to allow the crucible to cool naturally in the ambient environment or use a controlled cooling process. By following these preventive measures, the risk of thermal shock in graphite crucibles can be significantly reduced, ensuring their longevity and performance in high-temperature applications.

Q:The use of earthy graphite?: As refractory material: graphite and its products have the properties of high temperature resistance and high strength. They are mainly used in the metallurgical industry to make graphite crucibles. In the process of steelmaking, graphite is often used as a protective agent for steel ingots and lining of metallurgical furnaces.

Q:Disadvantages of graphite crucibles: Wuxi branch casting Trade Co., Ltd. - cast brand graphite crucible, the use of time for 8-10 months, heat conduction soon,

Q:What are the different methods of monitoring the melting process in a graphite crucible?: There are several methods available for monitoring the melting process in a graphite crucible. These methods can provide valuable information about the temperature, consistency, and progress of the melting process. 1. Visual Inspection: One of the simplest methods is to visually inspect the melting process. This can be done by observing the color, consistency, and movement of the materials being melted. For example, if the materials are turning into a liquid state and flowing smoothly, it indicates that the melting process is progressing as expected. 2. Thermocouples: Thermocouples are widely used for temperature measurement in various industrial processes, including melting in graphite crucibles. These devices consist of two different metals joined together at one end. By measuring the voltage difference between the two ends, the temperature can be determined. Thermocouples can be inserted into the crucible or placed near it to monitor the temperature accurately. 3. Infrared Pyrometers: Infrared pyrometers are non-contact temperature measurement devices that use infrared radiation to determine the temperature of an object. They can be used to monitor the temperature of the graphite crucible during the melting process without physically touching it. Infrared pyrometers provide quick and accurate temperature readings. 4. Optical Emission Spectroscopy (OES): OES is a technique that analyzes the light emitted by the materials being melted to determine their composition and temperature. By analyzing the spectral lines and intensities of the emitted light, OES can provide valuable information about the melting process, including temperature and the presence of impurities or alloying elements. 5. Pressure Measurement: Monitoring the pressure inside the graphite crucible can also be an indicator of the melting process. As the materials melt and vaporize, the pressure inside the crucible may increase. Pressure sensors can be employed to measure the pressure changes during the melting process, providing insight into the progress of the melting and the behavior of the materials. These methods can be used individually or in combination to monitor the melting process in a graphite crucible. By employing one or more of these techniques, operators can ensure that the melting process is proceeding as intended and make any necessary adjustments or interventions to maintain optimal conditions.

Q:What are the different methods of controlling temperature in a graphite crucible?: There are several methods of controlling temperature in a graphite crucible, including the use of external heating sources such as gas burners or electric heaters, the addition of insulating materials to regulate heat transfer, and the implementation of temperature sensors and controllers to maintain a specific temperature range. Additionally, techniques like preheating the crucible or adjusting the gas flow rate can also impact and control the temperature inside the crucible.

Q:Can a graphite crucible be used for powder injection molding?: Yes, a graphite crucible can be used for powder injection molding. Graphite crucibles are commonly used in powder injection molding processes due to their high temperature resistance, excellent thermal conductivity, and non-reactivity with most metals and alloys, making them suitable for melting and shaping powdered materials.

Q:What are the two methods of atomization? What orders of magnitude can be measured?: The sharp line spectrum of the A light source as the light source for analyte emission of sufficient strength, tellurium, atomic system. Quartz furnace atomic system is the gaseous analytes a method of introducing quartz furnace atomic intrinsic low temperature: electrodeless discharge lamp B atomizer without hollow cathode lamp (atomizer) can be divided into pre mixed flame atomizer (premixed flame atomizer), small, amplifier, ashing and background stability generally used; the level of mL, 10-9g/ were detected by flame atomic absorption spectrometry. The hydride generator can be used for 8 kinds of volatile element mercury. The atomic absorption spectrometer consists of an atomic absorption spectrometer that consists of a light source: an atomizer

Q:Can graphite crucibles be used for thermal analysis?: Yes, graphite crucibles can be used for thermal analysis. Graphite has excellent thermal conductivity and can withstand high temperatures, making it suitable for various thermal analysis techniques such as thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC). Its inert nature also allows for accurate measurement and analysis of thermal properties of the sample.

Q:How to judge the thermal stability of rubber oil?: 1.2 sample containers, crucibles, aluminium crucibles, copper crucibles, platinum crucibles, graphite crucibles, etc. shall not react with specimens and reference materials. 1.3 air source, air, nitrogen and so on, the purity should reach the purity of industrial gas. 1.4 the cooling temperature of the cooling device of the cooling device should be up to -50 degrees centigrade. No enthalpy change occurs in the range of test temperature of 1.5 reference substance. Typical reference materials are calcined alumina, glass beads, silicone oil, or empty containers. Store in a dryer.

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