When you need reliable high-temperature wire solutions, tantalum ro5252 wires deliver exceptional performance for the most demanding applications. These premium Ta-10W alloy wires combine superior thermal stability with outstanding mechanical strength, making them ideal for extreme operating conditions. Our tantalum wires meet ASTM B365 standards and offer diameters ranging from 0.2mm to 2mm with a bright, uniform surface finish. Whether you're working on heating elements or thermocouple applications, our wires provide the reliability your projects demand.
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| Grade | Main elements | Impurity content less than % | |||||||||||
| Ta | Nb | Fe | Si | Ni | W | Mo | Ti | Nb | O | C | H | N | |
| Ta1 | Remain | —— | 0.005 | 0.005 | 0.002 | 0.01 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 |
| Ta2 | Remain | —— | 0.03 | 0.02 | 0.005 | 0.04 | 0.03 | 0.005 | 0.1 | 0.03 | 0.01 | 0.0015 | 0.01 |
| TaNb3 | Remain | <3.5 | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | —— | 0.03 | 0.01 | 0.0015 | 0.01 |
| TaNb20 | Remain | 17.0~23.0 | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | —— | 0.03 | 0.01 | 0.0015 | 0.01 |
| Ta2.5W | Remain | 0.005 | 0.005 | 0.002 | 3 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 | |
| Ta10W | Remain | 0.005 | 0.005 | 0.002 | 11 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 | |
Our tantalum wires feature precise specifications designed for professional applications:
Material Composition:
Physical Properties:
Thermal Characteristics:
Superior Temperature Resistance
Your applications benefit from exceptional thermal stability. These wires maintain structural integrity at temperatures where other materials fail.
Excellent Corrosion Resistance
The tantalum-tungsten alloy composition provides outstanding resistance to chemical attack, ensuring long-term reliability in harsh environments.
High Mechanical Strength
Enhanced tensile strength compared to pure tantalum, making installation and handling easier while maintaining performance.
Consistent Quality
Every wire undergoes rigorous quality control to ensure uniform diameter, surface finish, and material properties.
Our tantalum ro5252 wires undergo a carefully controlled production process:
Material Preparation
We start with high-purity tantalum and tungsten materials, precisely blended to achieve the RO5252 alloy composition.
Wire Drawing
Advanced drawing techniques ensure consistent diameter and surface quality throughout the wire length.
Heat Treatment
Controlled annealing processes optimize the wire's mechanical properties and thermal stability.
Quality Inspection
Each batch undergoes comprehensive testing to verify dimensional accuracy and material properties.
Dimensional Verification
Every wire batch receives precise diameter measurements using calibrated equipment to ensure specifications are met.
Material Analysis
Chemical composition verification through spectroscopic analysis confirms alloy content and purity levels.
Performance Testing
Thermal cycling tests and mechanical property evaluations validate performance characteristics.
Surface Quality Assessment
Visual and microscopic inspection ensures bright, uniform surface finish free from defects.
Located in Baoji City, China's Titanium Valley, Baoji Freelong brings decades of expertise in refractory metals. Our commitment to quality means we never compromise on material standards or manufacturing processes.
Proven Experience
Our established relationships with clients across Australia, Korea, Germany, the US, UK, Malaysia, and the Middle East demonstrate our reliability.
Quality Guarantee
We stand behind every product with comprehensive quality assurance and responsive customer service.
Technical Support
Our engineering team provides application guidance to help you select the right wire specifications for your needs.
Q: What makes RO5252 different from pure tantalum wire?
A: The 10% tungsten addition significantly increases mechanical strength and thermal stability compared to pure tantalum.
Q: Can these wires be welded or joined?
A: Yes, tantalum wires can be welded using appropriate techniques and equipment designed for refractory metals.
Q: What's the typical lead time for orders?
A: Standard diameter wires typically ship within 2-3 weeks. Custom specifications may require additional time.
Q: How should I store these wires?
A: Store in a dry environment away from moisture and corrosive chemicals to maintain surface quality.
Ready to discuss your tantalum wire requirements? Our technical team is here to help.
Email: jenny@bjfreelong.com
WhatsApp: +86 135 7119 0943
Contact us today to learn how our tantalum ro5252 wires can enhance your high-temperature applications. We're committed to providing the quality materials and service your projects deserve.










Baoji Freelong New Material Technology Development Co., Ltd loated in Baoji City--China's Titanium Valley,we are mainly doing Zirconium,Titanium,Nickel,Niobium,Tantalum etc metal material and other alloy's produce,OEM and Sales.and also exporting the goods what we make. we have a lot of trustful clients and partner.and also we were authority by some firms.At present,we were build our relationship with Australia,Korea,German,US,UK,Malaysia,AZ,Middle East,Taiwan,Etc. Our company always take the quality and service as our responsibility,We always get close even match the quality what our customer wanted and as for quality,we never say no and no reason for quality failure.
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WhatsApp&Wechat: 86 13571190943
E-mail:jenny@bjfreelong.com
Address: No.188. Gaoxin Ave, Baoji City, Shannxi, China.

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