Industrial Metrology & Submicron Sintering

Tungsten Carbide Discs & Saw Blades Manufacturer & Factory

OEM/ODM high-hardness cemented carbide round cutters, slitting disc blades, and ultra-wear circular tools engineered for metal slitters, lithium battery processing, and non-ferrous manufacturing.

Core Product Lineup

Precision Disc Blades & High-Feed Rotary Solutions

Explore our industrial-grade tungsten carbide circular discs, cutter blanks, and precision end mills crafted through automated low-pressure sinter-HIP manufacturing.

Macro Industry Solutions

Global Enterprise Sourcing Architecture

Industrial converting, automated battery slitting, and aerospace manufacturing impose stringent demands on tool deflection, lateral runout, and micro-fracture resistance.

Lithium Battery Electrode Slitting

Modern battery electrode winding lines require continuous cutting of cathode (aluminum) and anode (copper) foils with zero burrs. Our tungsten carbide circular disc knives deliver mirror-polished cutting edges (Ra < 0.05 µm) that eliminate particulate shedding and extend maintenance intervals over 400,000 meters per regrind.

Corrugated Board & Paper Packaging

High-speed slitter-scorer machinery requires tough submicron WC-Co disc blades capable of handling heavy abrasive board without edge chipping. We deploy optimized binders that neutralize mechanical shock and minimize friction thermal stress during prolonged 800 m/min converting cycles.

Non-Ferrous Precision Sawing

For electronic heat sinks, copper bars, and aerospace structural aluminum, solid carbide circular saw blades provide high tooth concentricity and axial runout controlled within 0.008 mm, preventing kerf deformation and reducing scrap rates across production lines.

≤0.003mm
Axial Runout Accuracy
92.8 HRA
Average Material Hardness
4,200 MPa
Transverse Rupture Strength
3 Factories
Integrated Jiangxi Capacity
Metallurgical Whitepaper

Material Science & Sinter-HIP Engineering Roadmap

The performance of solid tungsten carbide cutting discs depends on grain size refinement, binder chemistry control, and low-pressure hot isostatic pressing.

Carbide Grade Cobalt Content (Co) Grain Size (µm) Hardness (HRA) TRS (N/mm²) Primary Industrial Application
APX-UF06 6.0% 0.4 – 0.6 (Ultrafine) 93.2 – 93.8 3,800 Battery electrode slitting, thin metal foil rotary shearing
APX-SM08 8.0% 0.6 – 0.8 (Submicron) 92.4 – 92.8 4,100 PCB v-cut blades, circular slitters for abrasive films
APX-MG10 10.0% 0.8 – 1.0 (Micrograin) 91.5 – 92.0 4,350 Solid carbide saw blades for non-ferrous tubes, profiles
APX-HD12 12.0% 1.2 – 1.6 (Medium) 89.5 – 90.5 4,500 Heavy-impact corrugated shear knives, metal tube cutoff saws

Nanoscale Powder Blending

Virgin ammonium paratungstate (APT) reduction combined with proprietary grain growth inhibitors (VC, Cr3C2) prevents binder pooling and ensures uniform grain boundary strength throughout the disc matrix.

100-Bar Sinter-HIP Cycle

Low-pressure hot isostatic pressing under 100 bar argon gas collapses internal micro-voids, increasing density to 14.95 g/cm³ and removing the initiation sites for edge micro-chipping under cyclic loads.

CNC Sub-Micron Lapping

Using diamond wheel multi-stage surface grinders, our disc blades achieve parallel tolerances within 0.002 mm with surface roughness Ra 0.02–0.05 µm to eliminate friction drag during high-speed cutting.

Advanced PVD Edge Coatings

Optional nano-composite coatings including AlTiN, TiSiN, and diamond-like carbon (DLC) reduce the coefficient of friction to 0.15, keeping cutting edges sharp in adhesive and high-temperature cutting environments.

Compliance & Supply Chain

Global Logistics, Compliance & OEM Framework

Providing international OEMs and tier-1 tooling distributors with reliable supply, traceable conflict-free minerals, and engineering-level batch documentation.

Responsible Mineral Sourcing

All tungsten powders are sourced in strict adherence to RMAP (Responsible Minerals Assurance Process) guidelines, providing full traceability from certified domestic mines in Jiangxi to comply with EU and US corporate responsibility mandates.

Precision Export Logistics

Each carbide disc blade and saw blank is treated with corrosion-inhibiting vapor-phase protection, vacuum-sealed in anti-static trays, and boxed in impact-rated timber containers to preserve ground edge runouts during air and sea transit.

Standardized Inspection Reports

Every bulk shipment includes comprehensive metallurgical certification: density (ISO 3369), Rockwell hardness HRA (ISO 3738), transverse rupture strength (ISO 3327), and optical micro-structure scanning verification.

Buyer Knowledge Base

Frequently Asked Technical & Sourcing Questions

Direct technical answers to help tooling engineers, production planners, and procurement teams specify the correct cemented carbide cutting discs.

How do solid tungsten carbide circular knives compare to high-speed steel (HSS) blades?
Solid tungsten carbide provides up to 10 to 30 times the operational lifespan of high-speed steel (HSS) blades in continuous slitting operations. Because cemented carbide retains its hardness at temperatures exceeding 600°C, it prevents edge deformation, burr formation, and material build-up, significantly cutting down production line stops for knife changeovers.
What parameters are required to manufacture custom circular carbide discs according to drawings?
To ensure complete manufacturing accuracy, drawings should specify: outer diameter (OD), bore inner diameter (ID), thickness, keyway dimensions, runout tolerances (axial and radial), edge profile (single bevel, double bevel, hollow ground), target material being cut, and preferred surface finish (Ra value).
How does sinter-HIP processing prevent edge micro-chipping on cutting discs?
Conventional vacuum sintering can leave internal micro-pores (pores of 10–25 µm). During high-pressure cutting, these micro-pores act as stress concentration points, causing sudden edge chipping. Our Sinter-HIP process applies 100 bar of isostatic argon gas pressure at peak sintering temperature, forcing molten binder to heal pores and maximizing transverse rupture strength.
What is your typical production turnaround for prototypes versus bulk industrial orders?
We provide standard sample disc blanks and custom prototypes within 7 to 10 working days. Bulk production orders typically ship in 15 to 25 days depending on profile geometry, lapping requirements, and surface coating requirements. Stock standard blanks ship within 48 hours.
Can you supply carbide saw blades and discs with mirror edge finishes?
Yes. We utilize multi-axis CNC diamond lapping processes that produce cutting edge finishes with surface roughness values down to Ra 0.02 µm. This micro-finish is essential for clean battery electrode cutting, non-stick polymer slitting, and thin copper foil processing.
Expanded Tooling Range

Specialized Carbide Blanks, Mills & Industrial Cutting Tools

Engineered for high-rigidity CNC tool setups, precision PCB drill fabrication, and high-hardness die and mold profiling applications.

All Tungsten Carbide Discs & Saw Blades Products