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:Can a graphite crucible be used for bronze casting?: Certainly, bronze casting can utilize a graphite crucible. The utilization of graphite crucibles is widespread in metal casting procedures due to their remarkable thermal conductivity, high melting point, and resistance to thermal shock. In contrast to graphite, bronze, an amalgamation of copper and tin, generally possesses a lower melting point, making it a fitting material for casting within a graphite crucible. Moreover, graphite crucibles provide commendable chemical stability, a pivotal factor when operating with molten metals. Nevertheless, it is imperative to underscore the significance of adequately seasoning and preheating the crucible to avoid any potential reactions between the molten bronze and the graphite crucible.

Q:The graphite boat loading and loading real real graphite boat is what?: Main features:1, can make accurate Shi Mozhou bearing loading vehicle positioning;2 、 made of stainless steel, the structure of the whole machine is firm and reliable;3 、 adopt GK series high efficiency air filter 3;4, PECVD carrier car inside, can tilt 15 degrees or rotate 180 degrees;5 、 purification fan noise is less than 50dB.6, to ensure that the work area to achieve the requirements of cleanliness 100.

Q:What are the different accessories available for graphite crucibles?: There are various accessories available for graphite crucibles including tongs or holders for easy handling, covers or lids to protect the contents from contamination or loss of heat, and pouring shanks or spouts for controlled pouring of molten materials. Additionally, some crucibles may have additional features such as holes or notches for securing thermocouples or other temperature measurement devices.

Q:Can graphite crucibles be used for alloy preparation?: Yes, graphite crucibles can be used for alloy preparation. Graphite is a suitable material for crucibles due to its high melting point, excellent thermal conductivity, and chemical inertness. It can withstand high temperatures and is commonly used in metallurgical processes for smelting and alloying different metals.

Q:How does the thermal stability of graphite affect the performance of a crucible?: The performance of a crucible is greatly influenced by the thermal stability of graphite. Graphite is renowned for its high melting point and exceptional thermal conductivity, making it an ideal material for crucibles used in high-temperature scenarios. Industries such as metallurgy, foundries, and laboratories commonly employ crucibles that are subjected to extreme temperatures. The thermal stability of graphite guarantees that the crucible can endure these high temperatures without distorting or melting. With a melting point of approximately 3,600 degrees Celsius, graphite's high melting point allows the crucible to maintain its shape and structural integrity under intense heat. This characteristic is crucial since it prevents the crucible from warping or collapsing, which can lead to uneven heating and material loss. Furthermore, graphite's outstanding thermal conductivity enables the crucible to evenly distribute heat across its surface. This is essential as it ensures uniform heating of the materials held within the crucible, preventing localized hotspots or uneven temperature gradients. In applications requiring precise temperature control, such as alloy production or chemical reactions, this characteristic is vital for achieving accurate and consistent results. Moreover, the thermal stability of graphite also impacts the crucible's ability to resist thermal shock. Thermal shock occurs when there is a sudden and drastic change in temperature, resulting in the cracking or even breaking of the crucible. Graphite's high thermal stability allows it to endure thermal shock without significant damage, guaranteeing the longevity and durability of the crucible. To summarize, the thermal stability of graphite is crucial for the performance of a crucible. It enables the crucible to withstand high temperatures without distorting or melting, ensures even heat distribution, and enhances its resistance to thermal shock. These properties make graphite crucibles highly dependable and suitable for demanding applications that require high-temperature stability and precise temperature control.

Q:How do you prevent graphite crucibles from erosion during use?: To prevent graphite crucibles from erosion during use, several measures can be taken. First, maintaining proper temperature control is crucial, as extreme temperatures can accelerate erosion. Using a protective coating or glaze on the inner surface of the crucible can also help minimize erosion. Additionally, avoiding abrupt temperature changes and handling the crucible with care can prevent mechanical damage that may lead to erosion. Regular cleaning and proper handling of the crucible, such as avoiding direct contact with corrosive substances, can further extend its lifespan and minimize erosion.

Q:Can a graphite crucible be used for iron melting?: No, a graphite crucible cannot be used for iron melting. Iron has a higher melting point compared to graphite, and it requires a crucible made of a material that can withstand the high temperatures and chemical reactions involved in iron melting, such as a clay or silicon carbide crucible.

Q:How long can a graphite crucible last for a long time?: The special thermal shock resistance, thermal expansion of graphite is anisotropic, and the macro expansion coefficient is small, the temperature change under the condition that the volume change of graphite is not large, coupled with its good thermal conductivity, good thermal shock resistance and graphite.

Q:What are the different methods of preventing graphite crucible scaling?: There are several methods that can be employed to prevent graphite crucible scaling, which refers to the formation of surface oxidation or corrosion on the crucible. These methods include: 1. Pre-treatment: A common method is to pre-treat the graphite crucible before its initial use. This involves heating the crucible at a high temperature in an inert atmosphere, such as argon or nitrogen, which helps to form a protective layer on the surface of the crucible. This layer acts as a barrier against oxidation and prevents scaling during subsequent operations. 2. Coating: Applying a protective coating on the surface of the crucible can also help in preventing scaling. Coatings made of materials like boron nitride, zirconium diboride, or alumina can be used to create a barrier between the crucible and the reactive environment. These coatings have high resistance to oxidation and corrosion, thereby prolonging the crucible's lifespan. 3. Fluxing agents: Adding fluxing agents to the crucible charge can help reduce scaling. Fluxes like borax or potassium carbonate react with any impurities or oxides present in the crucible, forming a slag. This slag layer acts as a protective barrier, preventing further oxidation of the crucible. 4. Controlled atmosphere: Conducting operations in a controlled atmosphere can significantly reduce scaling. For example, using an inert gas like argon or nitrogen during the heating or melting process can create an oxygen-free environment, minimizing the chances of oxidation or scaling. This method is particularly effective for high-temperature applications. 5. Proper storage and handling: Proper storage and handling of the graphite crucible can also prevent scaling. It is crucial to keep the crucible in a dry and clean environment, away from any moisture or corrosive substances. Handling the crucible with clean gloves or tools can prevent contamination and minimize the risk of scaling. In conclusion, preventing graphite crucible scaling involves various methods, including pre-treatment, coating, the use of fluxing agents, controlled atmosphere, and proper storage and handling. Employing these measures can help extend the crucible's lifespan and ensure optimal performance in various high-temperature applications.

Q:Can I add a graphite furnace to the East and West aa-7002?: Graphite furnace atomic device is a type of system will be placed in the pipe wall, graphite platform, carbon sample holes or graphite crucible with electric heating to a high temperature to achieve atomization.

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