Graphite powder Graphite Recarburizer High Carbon Low Sulphur For Metals Casting

Graphite powder Graphite Recarburizer High Carbon Low Sulphur For Metals Casting System 1

Graphite powder Graphite Recarburizer High Carbon Low Sulphur For Metals Casting

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Loading Port:: Dalian

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t

Supply Capability:: 500000 m.t/month

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Specifications of graphite powder:

- 98%-99% graphite powder
- high fixed carbon
- low sulphur and nitrogen
- ten year experience in processing of graphite products

- Graphite powder / Graphite carburant

Graphite powder purposes:

- As non-metallic mineral resources, has important defense strategic role
- Can be used for high and new technical projects, is of great economic and social benefits
- Is the metallurgical industry refractory material
- Is the chemical industry all kinds of corrosion of vessels, general equipment of carbon products

- Light industry is in pencil, ink and the main raw material of artificial diamond

- Is the electrical industry production carbon electrode and electrode carbon rods, battery materials

Graphite powder data sheet:

Our carbon additive has the features of high carbon, low sulphur, nitrogen and harmful impurities. So it has been widely used for steel-smelting, casting, brake pedal and friction material.
Data sheet
Product No.	Fixed Carbon	Sulphur	Ash	Volatile Matter	Moisture	Particle Size	Nitrogen Content
	Min	Max	Max	Max	Max	90%	Max
HY-CA-01	98.5%	0.50%	0.80%	0.80%	0.50%	1-5MM	N/A
HY-CA-02	99.00%	0.30%	0.50%	0.50%	0.50%	1-5MM	100PPM
HY-CA-03	98.50%	0.05%	0.80%	0.70%	0.50%	0.3-5MM	300PPM
HY-CA-04	95.00%	0.30%	3.50%	1.50%	0.50%	1-4MM	700PPM
HY-CA-05	99.00%	0.03%	0.50%	0.50%	0.50%	0.3-5MM	300PPM
HY-CA-06	80.00%	0.10%	16.50%	3.50%	2.00%	1-5MM	N/A
Remark:The above mentioned grain sizes are recommended standard, if your have special requirements, please feel free to contact us.

recarburizer

Q: What's the reason for grading? What about the use of composites? What's the difference?: 2, according to mechanical properties can be divided into general type and high performance type. The strength of the universal carbon fiber is 1000 MPa (MPa) and the modulus is about 100GPa. High performance carbon fiber is divided into high strength (strength 2000MPa, modulus 250GPa) and high model (modulus 300GPa or more). Strength is greater than 4000MPa, also known as ultra high strength; modulus is greater than 450GPa, known as ultra-high model. With the development of aerospace and aviation industry, carbon fiber with high strength and high elongation has come into being. Its elongation is greater than 2%. The largest amount of polyacrylonitrile is PAN based carbon fiber.

Q: How do forests act as carbon sinks?: Forests act as carbon sinks by absorbing carbon dioxide from the atmosphere through the process of photosynthesis. Trees and other plants take in carbon dioxide and convert it into oxygen, while storing the carbon in their trunks, branches, and roots. This stored carbon remains in the forest ecosystem, reducing the amount of greenhouse gases in the atmosphere and helping to mitigate climate change.

Q: What are the impacts of carbon emissions on human respiratory diseases?: Carbon emissions have significant impacts on human respiratory diseases. The release of carbon dioxide and other greenhouse gases from various sources, such as burning fossil fuels and deforestation, contributes to air pollution. This pollution can lead to the exacerbation of respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and respiratory infections. Additionally, exposure to particulate matter and toxic chemicals emitted from carbon-based industries can increase the risk of developing respiratory diseases and worsen existing conditions. Overall, reducing carbon emissions is crucial to mitigate the adverse effects on human respiratory health.

Q: Why does the carbon content of steel increase and the mechanical properties change?: Steel is an alloy of iron and carbon in 0.04%-2.3% between carbon content. In order to ensure its toughness and plasticity, the main elements in addition to iron, carbon and carbon content is generally not more than 1.7%. steel, and silicon, manganese, sulfur and phosphorus. Classification method of steel variety, there are seven kinds of main methods:1, according to quality classification(1) ordinary steel (P = 0.045%, S = 0.050%)(2) high quality steel (P, S = 0.035%)(3) high quality steel (P = 0.035%, S = 0.030%)2. Classification by purpose(1) building and engineering steel: A. ordinary carbon structural steel; B. low-alloy structural steel; C. reinforced steel(2) structural steelSteel manufacturing machinery: A. (a) quenched and tempered steel; surface hardening (b) steel structure: including carburizing steel, surface hardened steel, with infiltration of ammonia (c) free cutting steel; steel structure; (d) cold forming steel: steel, cold stamping.B. spring steelC. bearing steel(3) tool steel: A. carbon tool steel; B. alloy tool steel; C. high speed tool steel(4) special performance steel: A. stainless acid resistant steel, B. heat-resistant steel, including oxidation resistant steel, hot strong steel, air valve steel, C. electric heating alloy steel, D. wear-resistant steel, e. low temperature steel, F. electrical steel(5) professional steel - such as bridge steel, shipbuilding steel, boiler steel, steel for pressure vessel, steel for agricultural machinery, etc.

Q: What are the long-term effects of increased carbon emissions on ecosystems?: Increased carbon emissions have significant long-term effects on ecosystems. One major consequence is the disruption of the Earth's climate system, leading to more frequent and intense extreme weather events such as hurricanes, droughts, and heatwaves. This can result in habitat destruction, loss of biodiversity, and increased vulnerability of species to extinction. Furthermore, elevated carbon dioxide levels in the atmosphere can contribute to ocean acidification, which harms marine ecosystems and disrupts the delicate balance of marine life. Overall, the long-term effects of increased carbon emissions on ecosystems are detrimental and pose a grave threat to the health and stability of our planet's natural systems.

Q: How do carbon emissions contribute to extreme weather events?: Extreme weather events are influenced by carbon emissions, which contribute to climate change. When greenhouse gases like carbon dioxide are released into the atmosphere, they trap heat from the sun and cause the Earth's average temperature to rise. Human activities such as burning fossil fuels, deforestation, and industrial processes are major drivers of this phenomenon known as global warming. As the planet warms, weather patterns become disrupted, leading to an increase in extreme weather events. Carbon emissions play a role in this process in several ways: 1. Heatwaves: Higher carbon emissions result in increased temperatures, leading to more frequent and intense heatwaves. These prolonged periods of extreme heat pose risks to human health, agriculture, and ecosystems. 2. Hurricanes and tropical storms: Carbon emissions cause ocean temperatures to rise, providing more energy to fuel hurricanes and tropical storms. This leads to stronger storms with higher wind speeds and heavier rainfall, causing more destruction and flooding. 3. Droughts: Climate change caused by carbon emissions can disrupt precipitation patterns, resulting in decreased rainfall and increased droughts in certain regions. These prolonged periods of water scarcity have severe impacts on agriculture, water supplies, and ecosystems. 4. Heavy rainfall and flooding: Global warming intensifies the water cycle, leading to more evaporation and moisture in the atmosphere. This results in heavier rainfall events, increasing the risk of flooding and flash floods. 5. Wildfires: Climate change, driven by rising temperatures and drier conditions, creates favorable conditions for wildfires. Carbon emissions contribute to longer and more severe fire seasons, leading to more extensive and destructive wildfires. It's important to note that while carbon emissions contribute to extreme weather events, they are not the sole cause. Natural climate variability factors like El Niño and La Niña can also influence extreme weather. However, reducing carbon emissions and transitioning to cleaner energy sources can help mitigate the impacts of climate change and prevent further exacerbation of extreme weather events.

Q: How accurate is carbon dating?: The scientific method known as carbon dating, or radiocarbon dating, is widely used to determine the age of organic materials that are up to 50,000 years old. It relies on measuring the ratio of radioactive carbon-14 (C-14) to stable carbon-12 (C-12) in a sample. Carbon dating has proven to be highly accurate, with a small margin of error. Its accuracy depends on factors such as the quality and preservation of the sample, the precision of measurement instruments, and understanding the carbon cycle in the past. However, carbon dating has limitations. It can only be used on organic materials that were once alive, so it is not applicable to dating inorganic materials like rocks or minerals. It is most effective for samples younger than 50,000 years old because the amount of C-14 decreases over time, making accurate measurement more challenging. To ensure accuracy, scientists often use multiple dating methods or cross-reference results with other independent techniques. This helps to verify the reliability of carbon dating and gain a more comprehensive understanding of the sample's age. Advancements in technology and calibration methods have improved the accuracy of carbon dating. For example, Accelerator Mass Spectrometry (AMS) allows for smaller sample sizes and greater measurement precision, reducing the margin of error. Calibration curves based on tree rings, or dendrochronology, also refine the accuracy of carbon dating. While carbon dating is highly reliable, it is important to recognize that no dating technique is perfect. All scientific dating methods have inherent limitations and uncertainties. However, with proper calibration and careful analysis, carbon dating remains one of the most accurate ways to determine the age of organic materials.

Q: How are carbon nanotubes used in various industries?: Carbon nanotubes have found applications in numerous industries due to their incredible versatility. With their unique properties, they are ideal for a wide range of uses. In the electronics industry, carbon nanotubes enhance the performance of electronic devices. They act as conductive additives in polymers, improving electrical conductivity. This makes them suitable for flexible displays, touchscreens, and wearable electronics. Moreover, carbon nanotubes serve as field emitters in flat-panel displays, resulting in brighter and more energy-efficient screens. The aerospace and automotive industries benefit from carbon nanotubes as well. Their exceptional strength and low weight make them perfect for manufacturing lightweight and durable composites for aircraft and automobile parts. These composites offer improved fuel efficiency, increased load-bearing capacity, and enhanced resistance to impact and corrosion. Consequently, they are crucial in the development of next-generation vehicles and aircraft. Carbon nanotubes have also made significant contributions to the energy sector. They have been instrumental in developing more efficient and durable batteries and supercapacitors. With their high surface area and excellent electrical conductivity, carbon nanotubes enable faster charging and discharging rates, leading to improved energy storage and longer battery life. Additionally, they are being explored as catalysts for fuel cells, promising a more sustainable and efficient power source for the clean energy industry. The medical and healthcare industries utilize carbon nanotubes in various applications as well. They act as drug delivery vehicles, allowing targeted delivery of medications to specific cells or tissues. This enhances treatment efficacy and reduces side effects. Furthermore, carbon nanotubes have unique optical properties that can enhance the sensitivity and resolution of medical imaging techniques like MRI and CT scans, potentially advancing medical imaging capabilities. Carbon nanotubes also find applications in the construction industry, where they reinforce concrete and enhance its mechanical properties. By adding carbon nanotubes to concrete, it becomes stronger, more durable, and resistant to cracking and corrosion. This leads to safer and longer-lasting infrastructure, such as bridges and buildings. In summary, carbon nanotubes have revolutionized various industries by offering exceptional properties, including high strength, electrical conductivity, and light weight. From electronics to aerospace, energy to healthcare, and construction to automotive, carbon nanotubes have found applications in a multitude of sectors, enabling the development of innovative and advanced technologies.

Q: What are the effects of carbon emissions on the stability of urban infrastructure?: The effects of carbon emissions on the stability of urban infrastructure are significant. Increased carbon emissions contribute to climate change, resulting in more frequent and severe weather events such as storms, flooding, and heatwaves. These weather events can damage and weaken urban infrastructure, including roads, bridges, buildings, and drainage systems. Additionally, carbon emissions contribute to air pollution, which can deteriorate the structural integrity of buildings and infrastructure over time. Furthermore, rising sea levels caused by carbon emissions can lead to coastal erosion and increased vulnerability of coastal cities to flooding and storm surges. Overall, carbon emissions pose a threat to the stability and resilience of urban infrastructure, highlighting the urgent need for sustainable and low-carbon solutions.

Q: How does carbon dioxide affect the acidity of rainwater?: The presence of carbon dioxide in rainwater has an impact on its acidity due to its contribution to the creation of carbonic acid. When carbon dioxide dissolves in rainwater, it engages in a reaction with water molecules, resulting in the formation of carbonic acid. This reaction causes an elevation in the concentration of hydrogen ions (H+) within the water, ultimately leading to a decrease in pH and the production of acidic rainwater. Although the carbonic acid generated from carbon dioxide is classified as a weak acid, it still possesses the ability to reduce the pH level of rainwater, rendering it more acidic than usual. This heightened acidity can result in harmful consequences for the environment, such as the destruction of plant and animal life, the corrosion of buildings and infrastructure, and the disruption of aquatic ecosystems.

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