Atomfair Tantalum Carbide (TaC) Powder, Ta(Nb)C ≥99.0%, Total Carbon 6.25 ± 0.25%, FSSS ≤1.0 μm
Product Description
Atomfair tantalum carbide (TaC) powder is supplied as yellow-brown powder with Ta(Nb)C ≥99.0%, total carbon 6.25 ± 0.25%, free carbon ≤0.15%, oxygen ≤0.35%, and FSSS ≤1.0 μm. It is intended for hard alloy additive research.
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Technical Specifications
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Customization & Ordering
Custom composition and particle-size requirements may be evaluated for selected grades upon request. Alternative package sizes may also be available. Minimum order quantities, pricing, and lead times vary by specification and will be confirmed during technical review and quotation.
Key Features and Advantages
- Defined composition and particle-size specification for hard alloy materials research.
- Source-defined chemical composition and impurity limits are listed for technical review.
- Powder format suitable for cermet or hard alloy additive research.
APPLICATION SCOPE: hard alloy additive research
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
LABORATORY PROCUREMENT SUPPORT
For grade selection, particle-size confirmation, documentation support or custom specification review, contact our technical sales team.
What is the significance of the total carbon content specification of 6.25 ± 0.25% in Atomfair Tantalum Carbide (TaC) powder for hard alloy additive research?
The total carbon content is tightly controlled to 6.25 ± 0.25% to ensure stoichiometric TaC formation, which directly influences the mechanical properties of the resulting hard alloy. Free carbon is limited to ≤0.15% to avoid compromising the alloy's hardness and wear resistance. This specification is based on the product's stated composition for hard alloy additive research.
What are the critical impurity limits in Atomfair TaC powder and how do they affect cermet or hard alloy performance?
The TaC powder has controlled impurity limits: Niobium ≤1.0%, Titanium ≤0.05%, Iron ≤0.10%, Oxygen ≤0.35%, Nitrogen ≤0.05%, and Manganese ≤0.07%. These impurities are kept low to prevent adverse effects on the sintering behavior and final mechanical properties of cermet or hard alloy composites. The product's Ta(Nb)C content is ≥99.0%, ensuring high purity for research applications.
What documentation is available for the safety and batch-specific handling of Atomfair Tantalum Carbide (TaC) powder?
A Safety Data Sheet (SDS) and Certificate of Analysis (COA) can be provided upon request for batch-specific confirmation. The powder is supplied as a fine yellow-brown powder with FSSS particle size ≤1.0 μm, which may require appropriate handling precautions to avoid inhalation. Contact the technical sales team for detailed handling and storage guidelines.
Atomfair TaC powder combines Ta(Nb)C purity of ≥99.0% with tightly bounded total carbon (6.25 ± 0.25%), low free carbon and oxygen, and an FSSS particle size of ≤1.0 μm, providing a defined starting material for hard alloy additive research. Buyers should plan for batch-specific COA/SDS verification and quotation-based confirmation for custom grade requirements.
Positive
- Tight composition and impurity limits: Ta(Nb)C ≥99.0% with total carbon 6.25 ± 0.25%, free carbon ≤0.15%, oxygen ≤0.35%, and low transition-metal impurities supports reproducible hard alloy additive research.
- Submicron specified particle size: The FSSS particle size of ≤1.0 μm provides a fine, well-defined upper size bound suitable for cermet and hard alloy additive studies.
Trade-offs
- Batch documentation must be requested: Composition and impurity values are specified, but the COA and SDS are provided only upon request, so lot-specific verification depends on obtaining these documents from the technical sales team.
- Custom grades require quotation review: Custom composition, particle-size, and packaging changes are evaluated only for selected grades, with MOQ, pricing, and lead times confirmed during technical review rather than published.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

