Tungsten Alloy Powder (TAP-09)

Description

1. Product Overview

Tungsten Alloy Powder (TAP-09) is a high-density, heavy-metal powder engineered from a precise W-Ni-Fe matrix, optimized for radiation shielding, kinetic energy penetrators, and vibration damping components. Its primary industrial use lies in balancing counterweights for aerospace actuators, medical collimators, and defense munitions. The key value proposition is exceptional sintered density (≥17.5 g/cm³) combined with superior machinability compared to pure tungsten or lead-based materials. Strategically, TAP-09 is critical as industries globally phase out lead under RoHS and REACH regulations, making this alloy the only scalable, non-toxic alternative that meets high-performance density requirements without costly remelting.

2. Key Specifications & Technical Characteristics

• Chemical composition: W – 90% ± 0.5%, Ni – 7%, Fe – 3% (W-Ni-Fe matrix alloy)

• Purity level: 99.95% base tungsten; total impurities ≤ 0.05%

• Physical characteristics:

  • Form: Spherical-to-subangular free-flowing powder

  • Color: Dark grey metallic

  • Particle size distribution: D50 = 5–8 µm (customizable from 1 µm to 45 µm)

  • Apparent density: 5.8–6.2 g/cm³

  • Tap density: 7.2–7.6 g/cm³

  • Sintered density (post-processing): ≥ 17.5 g/cm³

• Packaging options: 5 kg vacuum-sealed aluminum foil bags; 25 kg HDPE drums with desiccant; 500 kg bulk FIBC (octabin) with inner PE liner

• Shelf life: 24 months in unopened, original packaging stored at < 60% RH and 15–25°C

3. Core Industrial Applications

• Primary industries: Aerospace & defense, medical imaging, oil & gas logging, precision tooling, automotive EDM counterweights

• Specific operational use cases:

  • Radiation collimators for CT scanners and gamma cameras – TAP-09’s fine particle size enables near-net-shape injection molding, reducing post-machining scrap by 40% vs. cast tungsten.

  • Kinetic energy penetrators – Uniform W-Ni-Fe distribution ensures no adiabatic shear banding, outperforming conventional W-Fe-Ni powders in penetration depth by 18%.

  • Rotary steerable drilling weights – Higher sintered density allows 30% smaller component volume, freeing borehole space for sensors.

• Why better than alternatives: Outperforms lead (non-toxic + no creep deformation under vibration), beats pure tungsten (lower sintering temperature: 1,450°C vs. 1,800°C), and surpasses conventional heavy alloys (tighter particle size distribution → fewer internal voids).

4. Competitive Advantages

• Quality consistency: Lot-to-lot ±0.1% composition tolerance; each batch certified via ICP-OES and laser diffraction (ISO 13320). Shipments include CoA with 12 measured parameters.

• Supply reliability: Dual-sourcing of virgin W and Ni from conflict-free mines; three geographically dispersed blending facilities (Asia, EU, North America) guaranteeing ≤15 working days lead time.

• Logistics capability: Warehouse-to-warehouse Incoterms® support (DAP, CIF, FOB). All packaging meets IATA/IMDG Class 9 (UN3077) for air and sea.

• Price competitiveness: 12–15% below equivalent Japanese or German heavy-alloy powders for same density and purity, driven by continuous hydrogen-reduction process optimization.

• Sustainability: 94% recyclable at end-of-life; manufacturing uses >60% renewable electricity; no lead or cadmium. Certified under ISO 14001:2015.

• Technical support: Full sintering profile recommendations (temperature ramp, dwell time, atmosphere) provided free with first purchase. CAD models of powder packing behavior available on request.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT (twenty metric tons) per single shipment

• Loading capacity: 20 MT per standard 20-foot dry container (palletized: 24 pallets × 833 kg net each)