Tungsten Alloy Custom Counterweight | Precision Drawing Machined Parts

Zhuzhou Jiuding Metal Technology Co., Ltd. 97W-Ni-Fe Tungsten Alloy Custom Counterweight Parts are ultra-high density precision weighted components tailor-made according to customer drawings and technical specifications. Adopting advanced PM powder metallurgy compression forming + high-precision CNC machining technology, all 97-grade tungsten nickel iron custom parts comply with Mil-T-21014 US military standard, ASTM B777-99 / ASTM B777-15 (R2020) industrial standards and GB/T 1804-2000 general dimensional tolerance standard. As the highest-density grade in conventional W-Ni-Fe series, 97W-Ni-Fe provides extreme gravity concentration, minimal volume weighting and excellent mechanical stability for high-precision industrial counterweight and vibration damping applications.

97W-Ni-Fe alloy features an ultra-high density of 18.40–18.70 g/cm³, achieving maximum weight in the smallest structural space compared with 90W and 95W tungsten alloys. It delivers superior hardness, structural rigidity and wear resistance, perfectly suitable for compact precision counterweight scenarios that cannot be satisfied by ordinary alloy materials. We support full custom precision machining, Sintered and Polished optional surface states, and all non-standard structural customization. All finished custom counterweights can be supplied with EN 10204 3.1 inspection certificates, fully meeting high-standard global industrial and precision equipment procurement requirements.

Powder Metallurgy (PM) Manufacturing & Precision Machining Process

All 97W-Ni-Fe custom counterweight components adopt mature PM powder metallurgy pressing and liquid-phase sintering process combined with secondary high-precision CNC machining, ensuring ultra-uniform density distribution, zero internal porosity and high dimensional accuracy for complex custom weighted parts:

High-Purity Alloy Batching & Uniform Mixing: Strictly proportioned 97% tungsten, nickel and iron raw materials with high purity formula. Uniform powder mixing eliminates component segregation and guarantees ultra-stable density and mechanical performance for high-grade counterweight parts.

High-Pressure PM Near-Net-Shape Forming: Professional powder metallurgy high-pressure pressing equipment is used for integral blank forming, providing uniform and sufficient machining allowance for subsequent precision shaping, avoiding material waste and structural defects.

High-Temperature Liquid-Phase Sintering: Precision temperature and atmosphere controlled sintering realizes tight bonding between ultra-high tungsten content particles, greatly improving material compactness, structural toughness and overall stability of 97W-Ni-Fe blanks.

Custom Precision CNC Machining: Support full drawing-based processing including turning, milling, drilling, tapping, grooving, surface grinding, special-shaped cutting and composite precision machining, realizing all kinds of complex custom counterweight structures.

Dual Surface Finishing Options: Provide original Sintered blank surface for cost-effective rough machining scenarios and high-precision Polished smooth surface for high-precision assembly and appearance-sensitive precision equipment.

The integrated PM forming + precision custom machining process ensures that every 97W-Ni-Fe custom counterweight features extreme density consistency, high structural stability and precise assembly tolerance, fully adapting to high-end precision weighting applications.

Core Advantages of 97W-Ni-Fe Custom Counterweight Parts

97W-Ni-Fe high-grade tungsten nickel iron alloy stands out in precision counterweight industry with its industry-leading density and excellent machinability, especially suitable for high-precision drawing customization requirements:

Industry-Leading Ultra-High Density: Density reaches 18.40–18.70 g/cm³, the highest among conventional tungsten nickel iron alloys. It realizes ultra-compact counterweight design, greatly saving installation space and optimizing equipment structural layout.

100% Customized According to Customer Drawings: Fully support custom shapes, special structures, irregular sizes, precise hole positions, threads and ultra-tight tolerance requirements. All products are produced strictly according to customer 2D/3D design drawings.

High Precision Machining Performance: Moderate hardness and excellent toughness support ultra-precision CNC finishing, no chipping, cracking or deformation during processing, ensuring high flatness and high matching accuracy of finished counterweight parts.

Superior Structural Stability & Rigidity: High integral sintered compactness delivers excellent rigidity, compression resistance and deformation resistance. The counterweight parts maintain stable structural performance under long-term high-load operation, vibration and frequent mechanical movement, avoiding weight deviation or structural failure.

Excellent Vibration Damping & Stabilization: Ultra-high mass inertia effectively absorbs mechanical micro-vibration, resonance and operating jitter, significantly improving equipment running stability, machining accuracy and operational smoothness.

Dual Optional Surface Condition: Available in Sintered original blank surface and Polished high-precision smooth surface, adapting to rough processing assembly and high-standard precision matching scenarios respectively.

Stable Batch Consistency: Standardized PM powder metallurgy production ensures uniform density, hardness and mechanical properties for each batch, realizing consistent counterweight effect for mass equipment matching.

Eco-Friendly & Full Certification Support: Lead-free, non-toxic and fully compliant with RoHS and REACH environmental standards. Support EN 10204 3.1 factory inspection certificate and complete qualification documents for global high-end procurement.

Product Performance Features

Extreme Miniaturized Weighting Capacity: The highest density in conventional W-Ni-Fe series minimizes counterweight volume while ensuring sufficient gravity, perfectly applicable to compact and narrow installation space of precision equipment.

High-Precision Drawing Machining: Support ultra-tight tolerance control, special-shaped structure, hole and thread customized processing, realizing one-piece forming of complex precision counterweight components.

Strong Environmental Adaptability: Low thermal expansion coefficient, good oxidation resistance and corrosion resistance, stable physical and chemical properties in high-temperature, humid and complex industrial working conditions.

Good Secondary Processability: Reserved reasonable machining allowance, convenient for later cutting, grinding, carving and composite precision processing to meet personalized customer needs.

Executive & Testing Standards

Executive Standards: Mil-T-21014 (US Military Tungsten Heavy Alloy Specification), ASTM B777-99 / ASTM B777-15 (R2020), Chinese GB National Product Quality Standards, GB/T 1804-2000 General Dimensional Tolerance Standard (equivalent to ISO 2768-1).

Surface Condition: Sintered / Polished, customizable according to customer drawing technical requirements.

Customization Capability: Full-shape, full-size, full-tolerance non-standard customization, strictly follow customer 2D/3D drawings for precision processing, all finished sizes comply with GB/T 1804 precision standards.

Inspection Certificate: Support EN 10204 3.1 material inspection certificate, providing official factory test reports with complete material composition and mechanical data traceability.

97W-Ni-Fe Custom Counterweight Technical Parameters

Parameter Note: All mechanical data are tested under standard sintered blank state; final dimensions, structures and special tolerances are customized strictly according to customer drawings.

97W-Ni-Fe Tungsten Alloy Applications

Benefiting from ultra-high density, ultra-stable mechanical performance and high-precision custom machining capability, 97W-Ni-Fe custom counterweight parts are widely used in high-end precision equipment and compact weighting scenarios requiring minimal volume and high gravity:

Precision Equipment Counterweight: Custom high-density counterweight parts for precision instruments, optical equipment and detection devices, ensuring accurate gravity calibration and stable equipment operation.

Automotive & Aerospace Precision Parts: Compact custom balancing components for aviation, aerospace and new energy automotive systems, realizing lightweight and high-precision structural design.

Mechanical Vibration Damping Components: Custom damping counterweights for high-speed rotating equipment, CNC precision machine tools and automated machinery, suppressing vibration and improving machining accuracy.

Industrial Drilling & Exploration Equipment: Ultra-high density custom weighting parts for downhole exploration tools and geological detection equipment, adapting to high-pressure and complex working environments.

High-End Custom Mechanical Components: Various non-standard special-shaped counterweights, positioning blocks and balancing structural parts customized according to industrial customer drawings.

Production & Quality Assurance

All 97W-Ni-Fe custom counterweight parts are manufactured through professional PM powder metallurgy compression forming and liquid-phase sintering processes, combined with high-precision CNC drawing machining, fully compliant with Mil-T-21014 military specifications, ASTM B777-99 industrial standards and GB/T 1804-2000 dimensional tolerance standards. Zhuzhou Jiuding Metal Technology Co., Ltd. implements strict full-process quality control covering raw material batching, high-pressure pressing forming, sintering temperature monitoring, precision CNC machining and finished product inspection, ensuring ultra-stable density, high dimensional accuracy and consistent mechanical performance for every custom part.

We can provide complete qualification documents including third-party material test reports, official COA (Certificate of Analysis) and EN 10204 3.1 inspection certificates to support global high-standard procurement. Our factory holds ISO9001, ISO45001, ISO18001 and ISO13485 international system certifications, supporting bulk mass production and personalized OEM & ODM drawing customization services.