Explore our selection of non-standard cast, machined, and forged components engineered to meet the highest industry tolerances and standards.
Understanding the metallurgical complexity, machining strategies, and high-performance applications of refractory metals.
Tungsten, featuring a melting point of 3,422°C (6,192°F) and a density of 19.25 g/cm³, represents one of the most physically demanding materials to machine. As a refractory metal, its inherent hardness, low ductility at room temperature, and abrasive characteristics introduce significant challenges for standard milling operations. Traditional tooling rapidly succumbs to thermal degradation and abrasive wear when encountering pure tungsten or its dense alloys.
Key Insight: Effective tungsten milling requires a deep comprehension of the material's ductile-to-brittle transition temperature (DBTT). Precision thermal control, dynamic toolpaths, and rigid workholding are essential to prevent micro-cracking and chipping along the cut boundaries.
Providing custom-machined tungsten and refractory metal solutions across critical, high-reliability commercial sectors.
High-density tungsten alloys act as stabilizing weights, ballast systems, and kinetic shielding structures in modern aviation and defense platforms. Their ability to deliver maximum mass in constrained spaces makes them crucial for flight control systems and gyroscopic rotators.
Tungsten's high atomic number makes it an excellent material for radiation shielding. Our custom CNC-milled tungsten collimators, multi-leaf collimator (MLC) blades, and syringe shields protect medical personnel and isolate radiation beams during oncological therapies and CT imaging.
Within ion implantation equipment, tungsten components withstand extreme thermal loads and high electrical fields without degrading. Our high-precision machined nozzles, filaments, and arc chambers protect process chambers from contamination and wear.
Established partner for complex precision castings, high-fidelity CNC machining, and electro-mechanical assembly since 2014.
Dongguan SX Technology Co.,Ltd has very rich experience in precision casting, CNC machining and assembly. Our products are used in machinery, automobiles, marine, ships, equipment, valves and pumps, electronic appliances, packaging, watches, construction, chemical industry and other industries. The most commonly used materials for investment casting are stainless steel and carbon steel. And the most commonly used materials for CNC machining include titanium alloy, stainless steel, carbon steel, aluminum alloy, copper alloy, cemented carbide, etc. We have advanced manufacturing equipment and technology and are able to respond quickly to your needs.
Over the past decade, we have scaled our production facilities to bridge the gap between engineering theory and production reality. Our capabilities range from rapid prototyping of complex geometries to full-scale production runs. Our expertise in tungsten milling, titanium alloy machining, and investment casting guarantees that customers receive components built to strict tolerances, ready for integration into mission-critical systems.
Our commitment to zero-defect manufacturing relies on modern testing equipment, experienced QC personnel, and rigorous processes.
We have professional testing equipment and professional QC personnel, and we adhere to strict tolerances and quality standards for the products we produce. Due to our insistence on strict quality requirements, we have been praised by many customers. Quality is the cornerstone of the manufacturing industry. We firmly believe that only by controlling quality well can we survive, develop, and get better and better. Therefore, we have been working in this industry unremittingly since 2014 and continue to Improve the company's team and improve the company's production capacity.
Our metrology capabilities include Coordinate Measuring Machines (CMM), optical comparators, ultrasonic defect detectors, spectrometer material analyzers, and high-resolution surface roughness testing systems. Every batch of refractory metals undergoes chemical composition analysis and physical density testing before machining to ensure trace metal purity and structural integrity.
A reference guide for design engineers and buyers sourcing custom CNC-milled tungsten components.
| Material Class | Composition (W %) | Density (g/cm³) | Hardness (HRC) | Primary Application Area |
|---|---|---|---|---|
| Pure Tungsten (99.95%) | > 99.95% | 19.25 | 35 - 40 | Semiconductor Ion Implantation, X-ray Cathodes, Sintering Boats |
| Heavy Alloy W-Ni-Fe | 90% - 97% | 17.0 - 18.5 | 28 - 34 | Counterweights, Aerospace Stabilizers, Defense Ballast, Radiation Shields |
| Heavy Alloy W-Ni-Cu | 90% - 95% | 17.0 - 18.0 | 26 - 32 | Magnetic Sensitive Systems, Shielding in Specialized Medical Scanners |
| Copper Tungsten (CuW) | 50% - 85% | 11.8 - 15.6 | 18 - 25 (HB) | Electrical Contacts, Resistance Welding Electrodes, Thermal Sinks |
| Cemented Carbide | Cobalt Binder (6%-15%) | 14.0 - 15.0 | 75 - 82 | Wear-resistant Tooling, Industrial Blades, Drilling Elements |
Investing in the future of refractory metal manufacturing to meet tomorrow's extreme engineering challenges.
We are integrating additive manufacturing (3D printing of refractory powders) with post-process precision CNC milling. This hybrid approach enables the production of internal cooling channels and complex internal geometries that were previously impossible to machine.
Implementing real-time acoustic sensors and power feedback monitoring on our CNC spindles allows us to detect micro-chipping on tool cutting edges before it affects surface roughness or part dimensions.
Our commitment to local environmental compliance includes strict material tracing protocols. We ensure all tungsten and metal supplies are ethically sourced and carry complete conflict-free certification.
Get answers to common design, manufacturing, and sourcing questions regarding tungsten components.
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SX Machining
