95W-Ni-Cu Tungsten Alloy Rod | Non-Magnetic High-Density Shielding Rod

Zhuzhou Jiuding Metal Technology Co., Ltd. 95W-Ni-Cu Tungsten Alloy Rod is a non-magnetic, high-density tungsten heavy alloy structural component specially designed for precision shielding, anti-magnetic balancing, industrial weighting and electronic thermal conduction. Manufactured via advanced powder metallurgy liquid-phase sintering and ultra-precision finishing processes, this 95% tungsten-grade nickel-copper alloy rod strictly complies with Mil-T-21014 US military standard, ASTM B777-99 / ASTM B777-15 (R2020), Chinese GB national quality standards and GB/T 1804-2000 dimensional tolerance specification. Different from magnetic W-Ni-Fe alloys, 95W-Ni-Cu features completely non-magnetic performance, excellent radiation shielding capability and superior electrical & thermal conductivity, making it the optimal eco-friendly alternative to lead and steel for magnetic-sensitive precision equipment, medical shielding and electronic industrial applications.

With a stable ultra-high density of 18.0–18.35 g/cm³, 95W-Ni-Cu tungsten nickel copper rods achieve 2.3 times higher density than ordinary steel and 1.5 times higher density than lead. It delivers concentrated weight output in limited installation space for precise gravity calibration and vibration stabilization. Benefiting from copper-containing formula, the alloy possesses outstanding thermal dissipation and electrical conductivity, together with excellent corrosion resistance and non-magnetic stability. Fully RoHS and REACH compliant, it completely meets global green manufacturing and high-standard industrial procurement requirements.

Core Product Advantages of 95W-Ni-Cu Rods

95W-Ni-Cu is a professional non-magnetic tungsten heavy alloy grade with premium tungsten-nickel-copper proportioning, perfectly combining ultra-high density, non-magnetic stability, radiation shielding performance and thermal conductivity. Zhuzhou Jiuding Metal Technology Co., Ltd.’s finished rods feature uniform microstructure, consistent density distribution and high dimensional accuracy, possessing unique advantages that W-Ni-Fe alloys cannot replace:

• Completely Non-Magnetic Performance: Pure non-magnetic structure without magnetic attraction or magnetization interference, fully suitable for magnetic field sensitive instruments, aerospace electronic systems and precision detection equipment.

• Ultra-High Radiation Shielding Capacity: Excellent X-ray and gamma-ray absorption performance, shielding efficiency 30%–40% higher than lead materials, ideal for medical radiation protection and industrial ray shielding components.

• Superior Thermal & Electrical Conductivity: The copper bonding phase greatly improves heat dissipation and electrical conductivity, effectively solving heat accumulation of high-power electronic and precision mechanical components.

• High Density & Precise Balancing: Stable density of 18.0–18.35 g/cm³ enables accurate weight configuration, realizing miniaturized and lightweight design for high-precision balancing structures.

• Excellent Corrosion & Oxidation Resistance: Inert chemical properties and strong environmental adaptability, stable performance in humid, corrosive and high-temperature working conditions without aging or failure.

• Balanced Machinability & Structural Stability: Easy to cut, drill, grind and precision machine, no cracking or chipping during processing. High structural rigidity ensures no deformation under long-term high-load operation.

• Eco-Friendly & Global Compliance: Lead-free, non-toxic and pollution-free, fully compliant with RoHS, REACH and international environmental protection standards, suitable for medical, electronic and aerospace high-standard scenarios.

Product Performance Features

• Zero Magnetic Interference: Non-magnetic design avoids magnetic field disturbance and signal deviation, ensuring stable operation of precision electronic and detection equipment.

• Efficient Ray Shielding Protection: High-density metal structure effectively blocks radiation penetration, providing reliable safety shielding for medical and industrial radiation equipment.

• Precision Gravity Calibration & Vibration Damping: High mass inertia optimizes equipment center of gravity, suppresses operational micro-vibration and resonance, improving overall running stability.

• Excellent Thermal Dissipation Performance: Reliable thermal conductivity quickly dissipates working heat, reducing thermal deformation and extending component service life.

• High Precision & Batch Consistency: All finished rods comply with GB/T 1804 dimensional tolerance standards. Standardized powder metallurgy process ensures consistent density, hardness and mechanical properties for each batch.

• Flexible Customization: Supports custom diameters, lengths, surface treatments and special tolerance requirements to match diverse precision assembly and structural design 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).

Testing & Verification Standards: Alloy composition testing per ASTM B890-25 (WD-XRF spectrometry); compressive mechanical performance testing per ASTM E9-19 (R2025) / GB/T 7314-2017; density testing per ASTM B311; tensile strength and hardness testing per ASTM E8 / ASTM E18. All unmarked dimensional tolerances strictly follow GB/T 1804-2000 to ensure product interchangeability and assembly accuracy.

95W-Ni-Cu Standard Technical Parameters

Parameter Note: All mechanical data are tested under standard sintered state, fully consistent with Mil-T-21014 and ASTM B777 industrial grading standards, ensuring data authenticity and engineering traceability.

95W-Ni-Cu Tungsten Alloy Applications

Relying on non-magnetic property, ultra-high density, excellent radiation shielding and thermal conductivity, Zhuzhou Jiuding Metal Technology Co., Ltd.’s 95W-Ni-Cu tungsten alloy rods are widely applied in magnetic-sensitive, radiation-proof and high-precision industrial fields:

• Medical Radiation Shielding: Medical instrument shielding components, radiotherapy equipment protective parts, ray collimator structural rods, replacing lead materials for safer and more stable shielding performance.

• Aerospace & Precision Electronics: Aviation electronic system counterweights, gyroscope balancing rods, magnetic-field-sensitive precision instrument structural components with zero magnetic interference.

• Precision Optical & Detection Equipment: Optical instrument gravity calibration rods, detection equipment damping balance components, ensuring high precision and stable signal output.

• Industrial Drilling & Defense Industry: Downhole exploration weighting rods, geological ray shielding parts, defense precision counterweight structural components.

• High-Power Electronic Components: Electronic heat dissipation balancing rods, conductive structural parts, utilizing excellent thermal and electrical conductivity to optimize equipment heat management.

• Automotive Precision Parts: Non-magnetic chassis balancing components, high-speed rotating equipment damping rods for new energy and precision automotive systems.

Production & Quality Assurance

All 95W-Ni-Cu tungsten alloy rods are manufactured through professional powder metallurgy sintering and ultra-precision custom finishing processes, 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 proportioning, sintering temperature monitoring, precision machining and finished product performance testing, ensuring stable density, accurate dimensions, non-magnetic consistency and reliable mechanical performance for every product.

To meet global high-standard procurement demands, we can provide complete qualification documents upon request, including third-party material test reports, official COA (Certificate of Analysis) and factory inspection certificates. Our factory holds ISO9001, ISO45001, ISO18001 and ISO13485 international system certifications. We support standardized mass production and personalized OEM & ODM customization services for medical-grade, electronic-grade, aerospace-grade and industrial-grade application scenarios.