Discover our selection of industrial blades designed for high precision, extreme durability, and cost-efficiency across multiple sectors.
Deep dive into material selection, micro-grain science, and mechanical structural analysis for heavy-duty recycling operations.
In the contemporary industrial sector, size-reduction processes play a vital role. The global demand for waste treatment and recycling is growing rapidly, requiring high-performing shredder machine blades. Modern shredding systems process complex mixtures of high-impact plastics, fiber-reinforced polymers, e-waste, and scrap metals. Standard steel knives are often insufficient for these demanding operations, suffering from accelerated wear, chipping, and catastrophic deformation.
Sichuan Shen Gong Carbide Knives Co., Ltd. addresses these challenges by manufacturing advanced cemented carbide blades that outperform traditional tool steels. By utilizing our specialized powder metallurgy technology, we create wear parts capable of maintaining edge retention under severe thermo-mechanical stresses. This results in reduced maintenance down-time and optimized cutting processes for industrial shredding operations.
• Abrasive Wear Resistance: Essential for processing mineral-loaded plastics and contaminated materials.
• Impact Fracture Toughness: Crucial when shredder shafts encounter un-shreddable foreign metallic contaminants.
• Chemical Corrosion Resistance: Vital for processing wet materials, municipal waste, and polymers containing corrosive flame retardants.
| Material Class | Composition Details | Hardness Range (HRA) | TRS (MPa) | Primary Application Field |
|---|---|---|---|---|
| WC-Co Fine Grain Carbide | 90% WC / 10% Co Matrix | 89.5 - 91.5 | 2800 - 3200 | Heavy Plastic Pelletizing & Fine Granulation |
| WC-Co-Ni Tough Carbide | 85% WC / 15% Co-Ni Binder | 86.5 - 88.5 | 3200 - 3600 | High-Impact Solid Waste & Rubber Shredding |
| TiCN-based Cermet | Ti(C,N) + Ni-Co-Mo Binder | 91.0 - 93.5 | 1800 - 2200 | High-Speed Metal Finishing & Foil Slitting |
| Ultra-Fine Grain Carbide | 94% WC / 6% Co Matrix | 92.0 - 93.8 | 2500 - 2900 | Precision Battery Electrodes & Film Slitting |
Located in Chengdu, southwest of China, Shen Gong is a national high-tech enterprise specializing in the research, development, manufacturing, and sales of cemented carbide industrial knives and blades for more than 20 years.
We operate complete production lines for WC-based cemented carbide and TiCN-based cermet for industrial knives and blades, covering the entire process from RTP (Ready-to-Press) powder preparation to the finished, micro-ground product. This vertical integration allows us to customize the microstructural parameters of the material to meet the requirements of specific industrial applications.
Our capabilities extend beyond manufacturing. We provide comprehensive analytical, engineering, and environmental solutions to improve cutting performance.
Production is carried out in accordance with the ISO quality system, effectively ensuring stability between batches. Simply provide your samples to us, we do the rest.
01Rooted in knife, but far beyond knife. Shen Gong's powerful R&D team is your back-up for industrial cutting and slitting solution.
02Whether it's geometric shapes or material properties, Shen Gong provides reliable analytical results to optimize tool performance.
03Cherishing the finite, creating the infinite. For a greener planet, Shen Gong offers re-sharpening and recycling services for used carbide knives.
04Our professional sales team offers multilingual services. Please contact us, and we will respond to your request within 24 hours.
05Shen Gong has long-term strategic partnerships with globally renowned courier companies, ensuring fast worldwide shipping.
06We design and manufacture specific wear parts tailored to the stresses of your industrial slitting machinery.
Excellent surface finish and straightness for cutting synthetic filaments.
Ultra-precise tolerances for metal foil processing.
Mirror finish prevents residue accumulation during processing.
Impact-resistant geometries for robust plastic recycling.
High edge sharpness to ensure burr-free cuts.
Sub-micron carbide structures optimized for battery separators.
Wear-resistant carbide inserts for long-term production runs.
Custom edge geometries for clean filter media separation.
We design and manufacture specific industrial knives engineered for optimal performance in your manufacturing workflow.
Shen Gong's high-toughness carbide materials are developed for producing pelletizing knives in plastic and rubber manufacturing, as well as shredding blades for waste recycling plants.
Razor blades designed for cutting synthetic fibers and non-woven materials deliver consistent performance due to their edge sharpness, straightness, and surface finish.
Industrial knives and blades manufactured for meat cutting, sauce grinding, and nut crushing processes, utilizing food-safe material grades with high corrosion resistance.
High-precision industrial knives and surgical-grade slicing blades manufactured under strict cleanroom tolerances for medical device fabrication.
We provide TiCN-based cermet cutting tools for steel part semi-finishing to finishing operations. The cermet material reduces friction to produce smooth surface finishes.
Shen Gong is a manufacturer for corrugated slitter scorer knives. We also supply resharpening grinding wheels, cross-cut blades, and related machinery parts.
Our advanced carbide materials provide wear life. We offer custom surface finishes, including anti-adhesion, corrosion-resistant, and dust-reducing coatings.
Shen Gong was among the first in China to develop precision slitting knives for lithium-ion battery electrodes. The blades feature a mirror-finished edge to prevent material adhesion.
Our high-precision shear slitting knives are used in the coil processing industry, particularly for slitting silicon steel sheets for electrical motor fabrication.
A strategic look at powder metallurgy, wear-resistant coating technologies, and automated quality control.
The manufacturing of industrial knives relies on microstructural control. At Sichuan Shen Gong Carbide Knives, we implement advanced sinter-HIP (Hot Isostatic Pressing) technology to minimize residual porosity in our cemented carbide blanks. Operating under high temperatures and gas pressures, this process consolidates the tungsten carbide grains within the cobalt binder phase, enhancing mechanical properties.
By controlling the WC grain size distribution from sub-micron (0.5–0.8 µm) to medium-coarse grains (2.0–3.5 µm), we can tailor the mechanical properties of each batch. Finer grain sizes increase wear resistance and edge stability, which is essential for precision slitting. Coarser grains improve impact energy absorption, reducing the risk of fracture in heavy-duty shredder inserts.
To further extend blade life in demanding environments, we utilize chemical vapor deposition (CVD) and physical vapor deposition (PVD) coatings. Applying thin layers of titanium nitride (TiN), titanium carbonitride (TiCN), or diamond-like carbon (DLC) to the cutting edge forms a barrier against abrasive wear and chemical corrosion.
These coatings lower the friction coefficient at the cutting interface, reducing heat generation during high-speed operations. This prevents thermal degradation of the binder phase, preserving the mechanical integrity of the cutting edge and reducing material buildup when processing soft or adhesive substrates.
• Edge Radius (Sharpness): Custom grinding processes can achieve edge sharpness down to 1.5–3.0 µm for clean cuts.
• Thickness Tolerances: Precision grinding operations achieve dimensional tolerances down to ±0.002 mm.
• Surface Roughness (Ra): Mirror polishing options yield surface finishes of Ra < 0.05 µm, reducing material buildup.
Real-world evidence of tool optimization, process engineering, and material selection adjustments.
A packaging plant in Europe experienced frequent production shutdowns due to wear on their high-speed slitting equipment processing multi-layer corrugated cardboard. The original steel blades required replacement every 72 hours, resulting in significant machine downtime and high maintenance costs.
Shen Gong engineers analyzed the wear patterns and recommended upgrading to our specialized sub-micron cemented carbide blades with customized grinding parameters. The introduction of these high-precision carbide blades resulted in a 20% increase in tool life, reduced cardboard dust generation, and cut annual maintenance downtime by over 35 hours.
As sustainability regulations tighten worldwide, industrial shredders must process increasingly diverse waste streams. Processing contaminated plastics, reinforced fibers, and electronics accelerates abrasive wear on standard knives.
Shen Gong assists recycling operations by designing heavy-duty crusher and shredder inserts with modified geometries and tough cobalt matrices. We also offer tool re-sharpening services to extend the service life of our blades, helping customers optimize their operating costs while reducing material waste.
Detailed answers to common questions about material grades, customization options, and tool life optimization.
Stay informed about our latest technical developments, holiday schedules, and market updates.
Feb 12, 2026
Dear Valued Partners and Customers, As the New Year approaches, we would like to take this opportunity to thank you for your trust and support over the past year. Please be informed that our offices will be closed for the holiday from Feb 14th to Feb 21st, 2026. Normal operations will resume promptly...
The global manufacturing sector is undergoing a period of transformation. Rising demand in emerging energy and recycling sectors is driving changes in the supply and pricing of raw materials like tungsten carbide. Shen Gong remains committed to stable supply chains and long-term partnership values...
Jan 03, 2026
A European corrugated packaging facility successfully increased its slitting blade service life by 20% after transitioning to Shen Gong's micro-grain carbide circular knives. The upgrade significantly reduced edge wear and dust accumulation on high-speed slitting lines, improving board edge quality...
Browse our secondary catalog of specialized carbide profiles, pelletizing rotors, cermet inserts, and custom grinding accessories.
Shen Gong Carbide