Engineered for high-volume manufacturing, minimizing machine downtime, and delivering burr-free cuts.
Why manufacturing demand is transitioning rapidly to high-performance tungsten carbide materials.
In modern manufacturing, minimizing down-time is the primary driver of profitability. Conventional tool steels frequently fail under the high-speed, abrasive conditions of modern slitting lines. As a result, global processing plants are adopting tungsten carbide (WC-Co) blades. Formulated with cobalt binders ranging from 6% to 15%, these materials provide exceptional hardness (up to 92 HRA) and wear resistance while retaining required impact toughness.
The growing lithium-ion battery sector has fueled a demand surge for precise electrode slitting. Battery slitting requires flawless blade geometry, featuring notch-free, mirror-finished edges. Even slight variations in edge alignment can produce burrs, risking catastrophic short circuits in the assembled cells.
At the same time, the packaging and corrugated board sectors demand continuous operation. Slitter scorer blades must cut through multi-layer boards without tearing fibers or generating dust. This makes premium-grade cemented carbide the optimal solution for these high-speed applications.
Sichuan Shen Gong Carbide Knives Co., Ltd., based in Chengdu, China, controls the entire production chain from raw powder preparation to precision grinding. This integration ensures consistent material purity and batch-to-batch predictability for demanding industrial clients.
As a leading national high-tech enterprise, Shen Gong leverages China’s highly integrated tungsten supply chain. Unlike factories that source ready-made sintered blanks, we manage the entire production process from Ready-to-Press (RTP) powder preparation to the final mirror finishing of the cutting edges.
This complete process control allows us to custom-engineer binder compositions and grain sizes to fit specific client applications. We can adjust the microstructure to favor either impact resistance or abrasion resistance. Operating with ISO 9001 certification, our factories combine automated powder consolidation, precision sintering, and state-of-the-art CNC grinding. The result is German and Japanese-standard tool geometry at competitive manufacturing costs.
Engineered to deliver clean, precise cuts across diverse manufacturing and conversion sectors.
Designed for consistent performance under continuous friction, preventing thermal buildup during fiber processing.
High-hardness shear slitting solutions for silicon steel sheets, non-ferrous metal foils, and thin metal coils.
Thin-profile blades designed to minimize dust, maintain edge sharpness, and produce clean creases in cardboard production.
Tough, impact-resistant carbide blades optimized for demanding recycling applications and plastics processing.
Ultra-sharp, micro-grain blades that prevent tearing during high-speed film and adhesive tape slitting.
Mirror-finished, zero-notch slitting blades that eliminate edge deformation and stickiness during battery foil cutting.
Precision-ground bottom knives paired for consistent tolerances in paper and film slitting setups.
Specialized geometry for clean, high-precision slitting of cigarette filters, tubes, and paper straws.
Located in Chengdu, the industrial hub of Southwest China, Shen Gong is a national high-tech enterprise. Over more than 20 years, we have specialized in the research, development, and manufacturing of cemented carbide industrial knives and blades.
We operate complete production lines for WC-based cemented carbide and TiCN-based cermets. This integration enables us to manage the manufacturing process from raw RTP powder prep to the final, high-precision finished product.
Beyond blade manufacturing: We provide comprehensive material analysis, design support, and processing solutions.
All production aligns with our ISO 9001 quality system, ensuring batch-to-batch stability. Simply send your drawings or samples, and we handle the rest.
Learn MoreWe look beyond the blade. Our experienced R&D team works closely with you to design complete cutting and slitting solutions for complex substrates.
Learn MoreWhether verifying mechanical properties or optimizing blade geometry, Shen Gong provides detailed laboratory reports and analytical results.
Learn MoreTo support sustainable manufacturing, Shen Gong offers industrial re-sharpening and recycling programs for used carbide knives.
Learn MoreOur sales team provides multilingual support. We respond to technical inquiries and price quotes within 24 hours.
Learn MoreThrough established partnerships with major international shipping networks, we guarantee fast, reliable delivery to worldwide industrial hubs.
Learn MoreProviding specialized blade designs and tungsten carbide formulations to meet demanding industry requirements.
Our high-toughness carbide materials are engineered for pelletizing knives in plastic manufacturing, and shredding blades in heavy-duty recycling operations.
Razor blades designed for cutting synthetic fibers and non-woven fabrics. These blades deliver clean cuts thanks to their sharp edges, symmetry, and polished surface finishes.
We supply food-safe industrial knives for meat portioning, processing machinery, high-volume sauce grinding, and nut-crushing operations.
Ultra-sharp, clean-room compatible blades designed for the high-precision requirements of medical device production.
We offer TiCN-based cermet cutting tools for semi-finishing to finishing steel parts. Their low affinity for ferrous metals yields smooth surfaces and reduces material sticking.
As a leading supplier of corrugated slitter scorer knives, we also manufacture matching grinding wheels and cross-cut blades to keep your production lines running.
We apply specialized coatings to our carbide blades to resist adhesive buildup, corrosion, and dust accumulation in paper and packaging lines.
As the first developer in China of precision slitting knives for lithium-ion battery electrodes, we supply mirror-finish, zero-notch blades that prevent active material buildup during cutting.
Our high-precision coil slitting knives are regularly exported to demanding markets in Germany and Japan for processing electrical steel sheets and non-ferrous foils.
Critical considerations for engineers and procurement professionals sourcing custom carbide blades.
Selecting the right carbide grade requires balancing hardness against impact toughness. Standard ISO grades (such as K10, K20, and K30) serve as helpful baselines, but customized applications often require specific adjustments.
For example, cutting highly abrasive materials like paper or fiber cement requires a sub-micron grain structure with lower cobalt content (6% to 8%). This maximizes abrasion resistance. Conversely, shearing applications subject to mechanical shocks require a larger grain size and higher cobalt content (12% to 15%) to prevent micro-chipping along the cutting edge.
Surface finishing is another critical factor. A mirror-ground cutting edge with a surface roughness of Ra < 0.05 μm significantly reduces friction. This surface quality prevents metal transfer or adhesive buildup when slitting soft foils and films.
Additionally, specialized vapor deposition coatings (such as TiAlN, DLC, or CrN) can extend blade lifespan. These coatings act as thermal barriers and reduce chemical wear, making them particularly useful when cutting corrosive polymers or wet materials.
Keep up with our recent technical updates, company announcements, and case studies.
As the holiday season approaches, we thank our clients and partners for their continued trust. Please note our factory and offices will observe scheduled holiday closures while keeping core support active.
The global demand for industrial raw materials like tungsten carbide is shifting. We are working closely with partners to secure reliable raw material supply chains and maintain stable product pricing.
A European packaging facility reported a 20% increase in blade service life after switching to Shen Gong’s precision slitting blades, leading to fewer blade changes and lower production costs.
Technical answers to common questions about industrial tungsten carbide blades.
Tungsten carbide features hardness values up to 92 HRA, providing up to 10 to 50 times the wear resistance of conventional tool steels. This high hardness minimizes edge wear, extends production runs, and delivers cleaner cuts.
We analyze your specific cutting application. High-impact operations (like plastic shredding) require grades with higher cobalt content for toughness. Clean slitting operations (like foil or paper cutting) benefit from low-cobalt, sub-micron grain sizes to maximize edge retention.
Our modern CNC grinding equipment allows us to achieve outer diameter tolerances within ±0.002 mm, thickness tolerances within ±0.001 mm, and surface roughness down to Ra 0.02 μm for mirror-polished finishes.
We use a specialized metallurgical process to eliminate microscopic edge notches. Combined with an ultra-smooth, mirror-ground finish, this prevents adhesive residues and soft metals from sticking to the blade edge during slitting.
Standard custom blade orders typically ship within 4 to 6 weeks. This timeline includes tool design, powder sintering, precision grinding, and final quality control checks.
Yes. To support our clients' sustainability goals and manage operational costs, we offer precision re-sharpening services that restore used blades to their original factory tolerances.
We manage the entire production chain from raw powder formulation to sintering and grinding. We inspect every batch using laser interferometers, metallographic microscopes, and hardness testing equipment.
Yes. We accept designs in formats like DXF, DWG, STEP, or PDF. Our engineering team reviews each design to optimize it for carbide manufacturing and performance.
Explore our range of industrial cutting rings, anti-sticking scorer blades, and high-performance slitting knives.
Shen Gong Carbide
