Welcome to Shaanxi Chuanghui Daye Metal Material Co., Ltd., your trusted partner for premium rare metal solutions. Our high purity tantalum block represents the pinnacle of metallurgical excellence, engineered to meet the most demanding industrial requirements. With 99.95% purity and exceptional performance characteristics, these blocks deliver unmatched reliability for your critical applications. Our tantalum blocks feature superior corrosion resistance, outstanding thermal stability, and precise dimensional accuracy. Whether you need materials for aerospace, chemical processing, or electronics manufacturing, our products exceed industry standards and provide consistent quality you can depend on.
Our tantalum blocks offer exceptional value through superior material properties and manufacturing excellence. The high density of 16.6 g/cm³ ensures robust structural integrity for demanding applications. You'll benefit from excellent corrosion resistance that outperforms most metals in harsh chemical environments.
The outstanding thermal stability allows reliable operation at extreme temperatures up to 3017°C. Our blocks maintain dimensional stability throughout processing and service life. You get consistent quality through rigorous manufacturing controls and comprehensive testing protocols.
| Property | Specification |
|---|---|
| Purity | ≥99.95% |
| Density | 16.6 |
| Melting Point | 3017 |
| Hardness | 120-160 |
| Oxygen Content | ≤150 |
| Thermal Conductivity | 57 |
| Electrical Resistivity | 13.5 |
| Standard | YS/T1005-2014 |
| Surface | Bright surface |
| Production time | need about 10-15 days |
Chemical composition
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Nb |
O |
C |
N |
Fe |
Ni |
Cr |
Mn |
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Standard value |
0.02 |
0.25 |
0.015 |
0.02 |
0.01 |
0.01 |
0.005 |
0.003 |
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Si |
Ti |
Zr |
W |
Al |
Mo |
Cu |
- |
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Standard value |
0.01 |
0.003 |
0.003 |
0.005 |
0.003 |
0.003 |
0.003 |
- |
We supply Grade Ta-1 tantalum blocks that meet international quality standards. Our standard specifications include (17 × 17) ± 3 × 450 ± 50mm dimensions, with custom sizes available upon request. All materials comply with YS/T1005-2014 standards for guaranteed performance.
You can choose from various block sizes ranging from 20-150mm to suit your specific processing requirements. Custom dimensions and special configurations are available through our engineering team.
Our high purity tantalum block production utilizes advanced electron beam furnace technology for superior refinement. The process begins with careful raw material selection and purification. High-temperature melting removes impurities while maintaining chemical composition integrity.
Controlled cooling and solidification ensure uniform grain structure and optimal mechanical properties. Each block undergoes precision machining to achieve tight dimensional tolerances. Final inspection confirms all specifications before packaging.






Tantalum blocks serve critical roles across multiple industries. In aerospace applications, they provide essential components for jet engines and spacecraft systems. Chemical processing facilities rely on tantalum's corrosion resistance for reactor vessels and heat exchangers.
Electronics manufacturers use our blocks for capacitor production and semiconductor applications. Medical device companies value tantalum's biocompatibility for implants and surgical instruments. High-temperature furnace components benefit from exceptional thermal stability.
Electronic devices
Medical implants
Steel industry
Chemical Processing
Aerospace and Defense
Energy and Environmental Engineering
| Dimension | Standard Size | Tolerance |
|---|---|---|
| Length | 450mm | ±50mm |
| Width | 17mm | ±3mm |
| Height | 17mm | ±3mm |
| Custom Sizes | 20-150mm | As specified |
Our tantalum blocks exhibit remarkable material properties that set them apart from conventional metals. The ultra-high melting point of 3017°C enables performance in extreme thermal environments where other materials fail.
Superior corrosion resistance stems from tantalum's natural oxide layer formation. This protective barrier remains stable across wide temperature ranges and chemical exposures. You get long-lasting performance with minimal maintenance requirements.
The excellent ductility and plasticity facilitate machining and forming operations. Your manufacturing processes benefit from predictable material behavior and consistent results.
Every high purity tantalum block undergoes comprehensive quality verification before shipment. Our testing protocols include chemical composition analysis, dimensional inspection, and surface quality evaluation.
We maintain strict quality control throughout production to ensure consistent material properties. Documentation packages accompany each shipment with complete traceability records. Your applications receive materials that meet or exceed specified requirements.
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We understand that every application has unique requirements. Our engineering team works closely with you to develop custom solutions that match your specific needs. Whether you need special dimensions, surface finishes, or material grades, we deliver tailored products.
Our flexible manufacturing capabilities accommodate both prototype quantities and large production runs. You get personalized service with competitive pricing and reliable delivery schedules.
We package all tantalum blocks in protective wooden boxes with 50kg capacity for safe transportation. Careful cushioning prevents damage during handling and shipping. International shipping services ensure prompt delivery to your facility worldwide.
Our logistics team coordinates with trusted carriers to provide reliable service and competitive rates. You receive tracking information and delivery confirmation for complete shipment visibility.

Shaanxi Chuanghui Daye Metal Material Co., Ltd. brings over 30 years of rare metal expertise to serve your needs. Located in China's "Titanium Capital," we leverage regional advantages and industry knowledge for superior products and service.
Our commitment to customer satisfaction drives continuous improvement in quality and delivery performance. We've successfully served customers in over 50 countries worldwide, building lasting partnerships through reliable performance.
You benefit from competitive pricing, on-time delivery, and responsive customer service. Our focus on trust, reliability, and honesty creates partnerships that support your long-term success.

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Q: What is the minimum order quantity for tantalum blocks?
A: We accommodate various order sizes. Please contact us with your specific requirements for detailed quotations.
Q: Can you provide material certificates?
A: Yes, we provide complete documentation including chemical analysis and quality certificates with every shipment.
Q: What are typical lead times for standard products?
A: Standard products typically ship within 1-2 weeks. Custom orders may require additional time based on specifications.
Q: Do you offer technical support for material selection?
A: Our experienced technical team provides application guidance and material recommendations to ensure optimal performance.
Ready to experience the superior performance of our high purity tantalum block products? Our team stands ready to assist with your material requirements and technical questions.
Contact us today at info@chdymetal.com for detailed quotations, technical specifications, or custom solution discussions. We look forward to partnering with you for your rare metal needs and building a successful long-term relationship.
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