Description

Technical Parameters

Purity Specifications for Ta Metal Crucibles

Pure Ta Metal Cruciblesrefer to crucibles made from high‑purity tantalum (symbol Ta), produced to eliminate trace contaminants and provide chemically inert, high‑temperature containment for precision industrial operations.

Commercial Ta Metal Cruciblesare available in purities from 99.9% upward, with high‑grade versions at 99.95–99.99% Ta. Impurity control focuses on restricting Fe, Ni, O, and C to very low ppm levels, verified by glow discharge mass spectrometry (GDMS) or inductively coupled plasma mass spectrometry (ICP‑MS). This ensures the Ta Metal Cruciblesdo not introduce foreign elements into reactive melts or high‑value material syntheses.

Parameter	Typical Value (99.99% Grade)	Industrial Benefit
Ta Content	≥ 99.99%	Guarantees melt cleanliness
Fe	≤ 5 ppm	Prevents inclusion defects
O	≤ 5 ppm	Avoids hightemp brittleness
N	≤ 3 ppm	Reduces interstitial hardening

Key Applications of Pure Ta Metal Crucibles

Vacuum Induction Melting (VIM) – Melting titanium and zirconium alloys for aerospace components; Ta Metal Cruciblesprevent atmospheric contamination.

Sputtering Target Production – Containing refractory metals (Mo, W, Ta) for semiconductor and optical thin‑film coatings.

Advanced Ceramic Sintering – Holding ZrO₂ or Si₃N₄ powders at 1700–1900 °C without reaction.

These crucibles are especially valuable where product specifications leave no margin for impurity‑related defects.

Operational Strengths of Pure Ta Metal Crucibles

The use of the elemental symbol "Ta" in naming highlights focus on material composition and performance. Ta Metal Cruciblescombine tantalum's 3017 °C melting point with high thermal conductivity (≈ 57 W/m·K) for uniform heating. Their low vapor pressure ensures dimensional stability over long campaigns, while non‑wetting behavior enables clean part retrieval. Compatibility with robotic handling systems allows seamless integration into lights‑out manufacturing for automotive, aerospace, and nuclear sectors, delivering consistent quality and reducing consumable changeover frequency.

Customized 99.95% Pure Melting Tantalum crucible from ZhenAn

who choose us?

Our Product Advantages
High Purity
Purity levels of 99.995%-99.997%, with exceptionally low impurities such as Pd and Cd.
Superior Wire Quality
Wires are evenly unwound in continuous lengths, ensuring seamless operation.
Smooth surface with no oil residues.
No Wire Feeding Issues
Free from defects such as particles, tangled wires, knots, bends, breakages, oxidation, spray arc failures, or clogged nozzles.
Free Testing Reports
We provide complimentary test reports on spray layer thickness, porosity, bond strength, and coating examinations for capacitors and thermally sprayed zinc coatings.

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professional team

high quality

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Pure Ta Metal Crucibles

Purity Specifications for Ta Metal Crucibles

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Key Applications of Pure Ta Metal Crucibles

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Operational Strengths of Pure Ta Metal Crucibles​

Operational Strengths of Pure Ta Metal Crucibles