Sic Graphite Crucible STA1550

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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 STA1550

Other refractory materials for High temperature industry

Sic Graphite Crucible STA1550

Q:Does the graphite pan need preheating?: 5. the use of coke block size is less than the furnace wall and the crucible spacing should be added since the 5 fall, not ramming.6. crucible before use for 1-1.5 hours from the gas warm up to 200 degrees Celsius (especially in the initial drying must be in a continuous turning of the crucible and the crucible, slowly warming up and down at the same time and shall not exceed 100 degrees, to be slightly cooler, water vapor discharged after 1 hours) and then continue to heat up. The temperature to about 800 DEG C, baking time not too long. (such as spalling, improper preheating burst, not a quality problem, if the company is not responsible for the return. 7.) must keep the inside wall intact, to avoid bias by.8. flame burner flame heating, don't direct injection in the crucible, should be sprayed on the seat and into the crucible.9. proposed to use.10. into the metal crucible clamp corresponding to the bottom and then insert the scrap metal ingot, but not too close to the edge and, in order to avoid fragmentation through the use of a.11. crucible crucible best due to the expansion of metal Continuous melting, reduce the interval time.12. if intermediate stop using the remaining liquid should be dry, in order to avoid cracking caused by the continued use of.13. in the smelting process, must strictly control the amount of refining agent, added in excess, will reduce the service life of the crucible. And often clean ballast junction, guide and capacity to change the face of the impact of free crucible at the same time. Ballast too thick will cause the upper expansion.

Q:What are the different accessories available for graphite crucibles?: There are several different accessories available for graphite crucibles that can enhance their performance and make them more suitable for specific applications. Some of the common accessories include: 1. Crucible Tongs: These are long-handled tools specifically designed to safely handle hot crucibles. They allow for easy and secure gripping of the crucible, preventing accidental burns or spills. 2. Crucible Covers: These are lids or covers that can be placed on top of the crucible to protect the contents from contamination or oxidation. They help maintain a controlled environment inside the crucible, ensuring the purity of the materials being melted or heated. 3. Crucible Holders: These are support structures that hold the crucible in place during heating or pouring. They provide stability and prevent the crucible from tipping over or spilling its contents. 4. Crucible Racks: These are storage racks or holders designed to safely store crucibles when they are not in use. They help keep the crucibles organized and prevent any accidental damage or breakage. 5. Crucible Stirrers: These are specialized tools used to stir the contents inside the crucible during melting or mixing processes. They assist in achieving uniform temperature distribution and homogeneity of the molten material. 6. Crucible Cleaning Tools: These tools are used to clean the graphite crucible after use, removing any residue or impurities. They may include brushes, scrapers, or solvents specifically designed for graphite crucibles. 7. Crucible Lids: In addition to covers, there are also specialized lids that can be used to seal the crucible tightly during certain applications. These lids help create a controlled atmosphere or prevent the escape of volatile substances. 8. Crucible Lifters: These tools are used to safely lift and transport hot crucibles from one location to another. They are designed to withstand high temperatures and provide a secure grip on the crucible. 9. Crucible Insulation: Insulating materials such as ceramic fiber blankets or jackets can be used to surround the graphite crucible, providing additional thermal insulation. This helps to maintain a consistent temperature and prevent heat loss. 10. Crucible Liners: Liners made of ceramic or other refractory materials can be used to protect the graphite crucible from chemical reactions or erosion caused by aggressive materials or corrosive environments. These accessories offer various advantages and options to optimize the performance and utilization of graphite crucibles based on specific requirements and applications.

Q:How does the erosion resistance of graphite affect the performance of a crucible?: The erosion resistance of graphite directly impacts the performance of a crucible. Graphite's high erosion resistance allows it to withstand the harsh conditions of high temperatures and corrosive substances without significant damage. This durability ensures that the crucible maintains its integrity, preventing contamination or leakage of the molten material being stored or processed. Overall, the erosion resistance of graphite is crucial for ensuring the reliability and longevity of a crucible.

Q:Can a graphite crucible be used for melting einsteinium?: No, a graphite crucible cannot be used for melting einsteinium. Einsteinium is a highly radioactive element with a melting point of 860°C, whereas graphite has a much lower melting point of around 3,500°C. To handle and contain einsteinium safely, specialized materials and equipment designed for handling radioactive substances are required.

Q:Are graphite crucibles suitable for vacuum induction melting?: Vacuum induction melting is well-suited for the use of graphite crucibles. This is because graphite is a stable and inert material, making it ideal for high temperature and vacuum environments. Graphite can withstand the extreme heat and pressure conditions required for vacuum induction melting. When it comes to thermal conductivity, graphite crucibles excel. They efficiently transfer heat to the metal being melted, ensuring uniform heating and melting. This results in consistent and reliable outcomes. Additionally, graphite crucibles are resistant to thermal shock, meaning they can handle rapid temperature changes without cracking or breaking. Moreover, graphite crucibles exhibit good chemical resistance, which is crucial when melting reactive metals or alloys. They can endure the corrosive effects of molten metals, preventing contamination and maintaining the purity of the material being melted. To summarize, graphite crucibles are highly suitable for vacuum induction melting due to their stability, resistance to high temperatures, thermal conductivity, resistance to thermal shock, and chemical resistance. These crucibles offer a dependable and efficient method of melting metals under vacuum conditions, making them the preferred choice in various industrial applications.

Q:Why does China choose quartz crucible directly in the aspect of Czochralski silicon?: Because (1) the melting point of silicon is at 1450 degrees, the container for molten silica must be sufficiently high. (2) Czochralski silicon is the rearrangement of the atomic structure. High purity is essential and insoluble impurities. Quartz crucible material is SiO2, high temperature and stability, will not bring other impurities. That is, the O atoms of the quartz crucible also affect the quality of monocrystalline silicon. (3) when foreign countries engage in these scientific studies, China is still living long with the emperor, so these technologies were introduced into China in the last century of 50s, and the current development is still 50 years from home!

Q:Can a graphite crucible be used for metal powder sintering?: Yes, a graphite crucible can be used for metal powder sintering. Graphite is a commonly used material for high-temperature applications, and it has excellent thermal conductivity and stability, making it suitable for sintering processes. Additionally, graphite crucibles can withstand the extreme heat required for sintering without reacting with most metals, allowing for efficient and reliable sintering of metal powders.

Q:New energy, crystal, silicon and other research and development, production, because the crucible rotary table heating device, there is no good solution to share?: The silicone rubber electric plate allows heat to pass wherever it is needed, improves heat transfer, speeds up heating and reduces power requirements in processing.

Q:What magnetic material is sintered with large corundum crucible?: Corundum temperature limited, easily cracked at high temperature.

Q:How do you determine the appropriate crucible lid seal for a specific application?: To determine the appropriate crucible lid seal for a specific application, there are a few factors to consider. Firstly, you need to understand the compatibility of the seal material with the crucible and its contents. Different materials have varying resistance to temperature, chemicals, and pressure, so choose a seal that can withstand the specific conditions of your application. Secondly, assess the sealing mechanism required. Depending on the application, you may need a seal that provides airtight or vacuum-tight closure, or one that allows for controlled gas flow. Consider the type of lid and crucible design as well, as certain seals may be better suited for specific configurations. Lastly, take into account the lifespan and maintenance requirements of the seal. Some applications may require frequent lid removal and seal replacement, while others may need a more durable and long-lasting solution. Overall, it is crucial to carefully evaluate the compatibility, sealing mechanism, and maintenance considerations to determine the appropriate crucible lid seal for a specific application.

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