Graphite blocks for aluminum castings, with a high density of ≥ 2.1g/cm³, specially designed for aluminum melting. Low price, long lifespan, and more efficient use.
In the aluminum casting industry chain, graphite blocks are used as the core high-temperature-resistant material for the melting molds of aluminum castings. Their high density characteristic (≥ 2.1g/cm³) directly determines the thermal conductivity efficiency of the molten aluminum and the surface quality of the castings. As a globally leading raw material factory, we have established in-depth cooperation with international aluminum casting giants such as Alcoa of the United States and Rohm Group of Germany. Our products and services cover aluminum melting production lines in 20+ countries around the world, continuously supporting the stable production of high-end aluminum castings.
The actual measurement data show that the thermal expansion coefficient of our aluminum castings with graphite blocks is as low as 0.012×10⁻⁶/℃ (industry average 0.018×10⁻⁶/℃) under the working condition of 600-700℃, and the service life is up to 500 thermal cycles (average of market similar products is 400 times). The material purity reaches 99.95%, and no iron or aluminum impurities are detected by X-ray diffraction (XRD). This effectively reduces the porosity rate of the castings by more than 30%, and enhances the tensile strength and surface finish of the aluminum castings. This high-density structure also significantly enhances the thermal stability of the mold for the aluminum liquid, and reduces the melting waste rate.
By choosing our aluminum castings with graphite blocks, you will enjoy three core benefits:
Usage frequency advantage
Under the same aluminum smelting conditions, the usage period is 20% longer than that of the mainstream products in the market, significantly reducing the frequency of mold replacement;
Material quality guarantee
Each batch is certified by the ISO 9001 quality management system, providing a full-chain traceability system to ensure high-density stability;
Cost-effectiveness outstanding
Through the direct supply model, the price is 10% lower than the international standard, and the annual average cost of aluminum casting production is saved by over 12%.
Why choose us?
Core Cooperative Advantages
Over 30 years of industry experience: Founded in 1984, specializing in the production of graphite products, with mature and reliable technology
Full-process independent production: From raw material selection to finished product processing, there are no intermediate links, ensuring controllable quality and favorable prices
Precision processing capabilities: CNC numerical control processing center, with dimensional tolerance of ±0.01mm, meeting high-precision welding requirements
Fast response mechanism: The technical team is online 24 hours a day, and the order delivery cycle is 20% faster than the industry average
Comprehensive quality system: ISO9001 certification, providing test reports for each batch of products, ensuring stable performance
comparison of product parameters
| Industry domain | Core application scenarios | Technical requirements | Value manifestation (dataization) |
| Lithium battery anode materials (main product, accounting for 75%) | Artificial graphite / Natural graphite / Silicon-carbon anode graphiteization furnace lining, guide plates, support blocks | Purity ≥ 99.95%, Ash content ≤ 50 ppm, Oxidation resistance life ≥ 700 furnaces | Anode initial efficiency increased by 0.8%, Cycle life increased by 5%, Batch consistency reaches 98% |
| Energy storage battery materials | Negative electrode for large-capacity energy storage batteries, high-temperature sintering support, high-temperature furnace insulation layer | High-temperature resistant up to 2200℃, thermal conductivity ≥ 120W/(m・K) | Single furnace production capacity increased by 25%, energy consumption reduced by 6%, equipment maintenance cycle extended by 3 times |
| Photovoltaic semiconductor | Monocrystalline silicon / Polycrystalline silicon high-temperature furnace thermal field components, semiconductor diffusion furnace graphite parts | Purity ≥ 99.99%, Ash content ≤ 5 ppm, Dimension accuracy ± 0.05mm | Silicon wafer conversion efficiency increases by 0.3%, Product yield increases by 2.5% |
| High-temperature powder sintering | Ceramic powder, rare metal powder, inert atmosphere, high-temperature support | Dense and leak-proof, resistant to high temperatures up to 2000℃, and resistant to thermal shock. | The powder recovery rate has increased by 9%, and the sintering uniformity has reached 97%. |
Hot Tags: high purity graphite block, China high purity graphite block manufacturers, suppliers, factory, compacted graphite iron block, graphite block, high temperature resistant graphite blocks, high value graphite blocks, solid block of graphite, solid graphite block
