High-purity Graphite Forging Lubricant and Release Agent Suitable for Stainless Steel Hot Forging
Core Pain Points and Solutions in the Industry
In the stainless - steel hot forging process, the high - temperature (usually exceeding 1000℃) and high - pressure environment cause intense friction between the mold and the workpiece. This leads to severe mold wear, adhesion of oxide scale on the workpiece surface, difficult demolding, and even problems such as mold jamming or workpiece scratching. Traditional lubricants (such as oil - based or ordinary graphite) are prone to volatilization and failure at high temperatures, and the residues are difficult to clean. They also have a negative impact on the mold life and the surface quality of the workpiece. Meanwhile, the high - temperature oxide scale during stainless - steel hot forging embeds in the mold surface, further intensifying wear and reducing production efficiency. Yantai Jialong Nano Industry Co., Ltd., as the industrialization base of the national 863 Program achievements and the key high - tech enterprise of the Torch Program, has been focusing on nanotechnology R & D since its establishment in 1998. In response to the above pain points, we have launched the High - Purity Graphite Forging Lubricant and Demolding Agent. It uses nano - grade high - purity graphite particles and a special dispersion process to form a uniform and dense lubricating film at high temperatures. This effectively isolates the workpiece from the mold, significantly reduces the friction coefficient, and at the same time, uses the permeability of nano - particles to repair micro - cracks in the mold, fundamentally solving the problems of mold sticking and wear. This product has been verified by multiple national science and technology programs and is suitable for hot forging scenarios of stainless steel, alloy steel, etc.
Working Mechanism and Product Features
This product uses high - purity flake graphite as the base material (purity ≥ 99%). After nano - grinding and surface modification treatment, it is made into a stable aqueous suspension. During hot forging, after being sprayed or brushed on the mold surface, the water evaporates rapidly, and the graphite particles form a layered lubricating film under high temperature and pressure. Its lamellar structure can slide along the shear direction, providing a very low friction coefficient (≤ 0.08). At the same time, the nano - grade particles (particle size D50 ≤ 1μm) can penetrate into the micro - pores on the mold surface, forming a firm physical adsorption layer, reducing the surface roughness of the mold and reducing the adhesion of stainless - steel oxide scale. The specific features are as follows:
High - Purity Graphite Raw Material: The ash content is less than 0.5%, avoiding impurity pollution on the workpiece surface and ensuring the quality of forgings.
Excellent High - Temperature Stability: It still maintains lubricating performance in the range of 800 - 1200℃, does not decompose or burn, and releases no harmful gases.
Good Demolding Performance: The lubricating film does not stick to the stainless - steel workpiece, and it falls off automatically after forging or is easy to clean, reducing post - processing procedures.
Mold Protection Function: Nanoparticles fill the micro - cracks of the mold, delaying thermal fatigue cracking. Tests show that the mold life can be extended by more than 30% (based on customer feedback, not data).
Environmentally friendly water - based formula: It does not contain mineral oil or heavy metals, and has extremely low VOC content, meeting the requirements of environmental protection regulations.
Convenient to use: It can be sprayed, brushed or dip - coated, and is suitable for manual or automatic lubrication systems.
| Technical parameters | Indicators |
| Appearance | Black viscous liquid |
| Solid content | 30%±2% |
| Graphite purity | ≥99% |
| Particle size D50 | ≤1μm |
| pH value | 7 - 9 |
| Operating temperature range | 800 - 1200℃ |
| Coefficient of friction (at room temperature) | ≤0.08 |
| Packing specification | 20kg/drum, 200kg/drum |
Company strength and trust endorsement
Yantai Jialong Nano Industry Co., Ltd. is recognized by the Ministry of Science and Technology of the People's Republic of China as the "Industrialization Base of National 863 Program Achievements" and the "Key High - tech Enterprise of Torch Program", and has established an "Enterprise Post - doctoral Research Workstation". The company has successively undertaken and completed more than ten national and provincial - ministerial scientific and technological projects, including the "National High - tech Industrialization Demonstration Project" and the "Shandong Science and Technology Research Program". The company is equipped with advanced experimental instruments and imported testing equipment, and the production line is equipped with a strict quality management system to ensure the stability and reliability of each batch of products. In a customer application case, after a stainless - steel forging enterprise used this product, the mold replacement frequency decreased by 40%, the production efficiency increased by 15%, and the qualified rate of the workpiece surface increased to over 98% (based on the customer's internal statistics, not a public commitment). We recommend that you conduct a small - batch trial according to your own process parameters (such as temperature, pressure, and mold material) to verify the matching effect. If you need technical consultation or samples, please contact our technical team at any time, and we will provide you with a one - to - one customized solution.
FAQ (Frequently Asked Questions)
1. Can this product be used for hot forging of other metals, such as titanium alloys or nickel-based alloys?
Yes, the high-purity graphite lubricant has excellent chemical inertness at high temperatures and is suitable for hot forging of various metals. However, the spraying volume needs to be adjusted according to the specific temperature. We recommend conducting a process test before forging high-temperature alloys such as titanium alloys and nickel-based alloys to ensure that the lubricating film completely covers the mold surface.
2. Is it necessary to clean the mold after using the product?
Most of the lubricating film designed for this product will fall off with the workpiece after forging. A small amount of residue can be cleaned by water washing or a high-pressure air gun. If the mold is used continuously, it is recommended to clean it once per shift to prevent graphite carbon deposition from affecting heat conduction.
3. Is this product suitable for automatic spraying systems?
It is completely suitable. The viscosity of the product has been optimized to be compatible with commonly used spraying equipment (such as atomizing spray guns and automatic reciprocating spraying machines). It is recommended to stir it evenly before use and adjust the dilution ratio according to the spray gun nozzle diameter (usually 1:1 to 1:3 with water).
4. Will graphite oxidize and become ineffective at high temperatures?
Graphite begins to oxidize slowly in the air above 600℃. However, in the actual working conditions of hot forging, due to the instantaneous contact of the mold surface with high temperatures and the lubricating film being covered by the workpiece, the degree of oxidation is extremely low. Our formula contains anti-oxidation additives, which can significantly delay oxidation and ensure effective lubrication within the range of 800 - 1200℃.
5. What are the storage requirements for the product?
It is recommended to store it in a cool and dry place at 5 - 35℃, avoiding direct sunlight and freezing. After opening the bucket, it should be sealed and stored, and stirred evenly before use. The shelf life is 12 months (from the date of production).
6. How does the cost compare with traditional oil-based lubricants?
Although the single-use cost may be slightly higher than that of oil-based products, considering the extended mold life, reduced scrap rate, and savings in post-treatment costs, the overall cost is usually lower. Moreover, this product has a water-based and environmentally friendly formula and does not require cleaning with organic solvents, resulting in less environmental protection investment.
7. Has this product passed the RoHS or REACH certification?
This product meets the requirements of the RoHS Directive 2011/65/EU regarding the restriction of hazardous substances, and an SGS test report can be provided. For REACH registration information, please consult the sales representative specifically.
8. When used in the hot forging of stainless steel, will it affect the corrosion resistance of stainless steel?
No. High-purity graphite hardly leaves any residue after forging, and pure graphite is an inert substance that will not react chemically with stainless steel. We recommend that customers perform conventional pickling or shot blasting on the workpiece after forging to restore its original surface condition.
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