ASTM B708 R05240 Tantalum Fittings: Premium Quality and Versatile Solutions
At ASC LLP, we specialize in providing top-tier metal products for industries that require high-performance materials. Among these offerings, ASTM B708 R05240 Tantalum Fittings stand out for their exceptional properties, especially in environments where corrosion resistance and heat performance are critical. These fittings are ideal for a wide range of industries, including chemical processing, aerospace, electronics, and nuclear applications. In this comprehensive guide, we’ll explore everything you need to know about ASTM B708 R05240 Tantalum Fittings.
What are ASTM B708 R05240 Tantalum Fittings?
ASTM B708 R05240 Tantalum Fittings refer to components made from a specific grade of tantalum, designated as R05240, which adhere to the ASTM B708 standard. ASTM B708 defines the requirements for tantalum and tantalum alloy plate, sheet, and strip products, ensuring they meet the necessary chemical composition, mechanical properties, and quality standards for industrial use.
R05240 is a commercially pure grade of tantalum with excellent resistance to corrosion, especially in acidic environments. These fittings are primarily used in industries that demand high corrosion resistance to aggressive chemicals, high temperatures, and extreme conditions.

Properties of ASTM B708 Tantalum R05240 Fittings
The unique properties of ASTM B708 R05240 Tantalum Fittings make them highly sought after in various demanding applications. Below are some key characteristics:
- Corrosion Resistance: One of the most significant advantages of R05240 Tantalum is its exceptional resistance to corrosion. This grade of tantalum is highly resistant to most acids, including hydrochloric acid, sulfuric acid, and nitric acid, making it ideal for use in chemical processing environments. Tantalum does not react with these acids at room temperature, providing excellent longevity and durability for fittings exposed to corrosive substances.
- Heat Resistance: ASTM B708 Tantalum Fittings can withstand extremely high temperatures, making them suitable for applications in industries such as aerospace, nuclear power, and electronics. The melting point of tantalum is approximately 3,017°C (5,463°F), which is significantly higher than most metals. This makes the material ideal for high-temperature environments.
- Biocompatibility: Tantalum is also known for its biocompatibility, meaning it can safely be used in medical applications, such as surgical instruments and implants, without causing adverse reactions in the body. B708 Tantalum R05240 Fittings are commonly used in medical devices due to their non-toxic, non-reactive nature.
- Ductility and Formability: R05240 Tantalum is a highly ductile metal, which means it can be easily formed into various shapes and sizes, making it perfect for producing custom fittings. This allows engineers and manufacturers to fabricate complex components with precision, ensuring they meet specific application requirements.
- Electrical Conductivity: Tantalum also possesses good electrical conductivity, which makes it suitable for applications in the electronics industry. Tantalum fittings are used in electrical components, capacitors, and other devices requiring reliable conductivity.
ASTM B708 R05240 Tantalum Fittings Advantages
- Superior Performance in Harsh Environments: One of the primary advantages of ASTM B708 R05240 Tantalum Fittings is their ability to perform in harsh environments. Whether exposed to highly corrosive acids, extreme heat, or reactive chemicals, tantalum fittings maintain their integrity and performance.
- Long-Term Durability: Due to their outstanding corrosion and heat resistance, ASTM B708 R05240 Tantalum Fittings offer extended service life, reducing the need for frequent replacements. This results in lower maintenance costs and less downtime in industries where constant operation is critical.
- Cost-Effective in the Long Run: While tantalum fittings may have a higher initial cost compared to fittings made from other materials, their long service life and reduced need for replacements make them a cost-effective option in the long run. Industries that require high-performance materials often find that investing in ASTM B708 R05240 Tantalum Fittings yields significant savings over time.
- Reliable Performance in Critical Applications; In industries such as nuclear power and aerospace, where equipment failure is not an option, ASTM B708 Tantalum R05240 Fittings offer unparalleled reliability. The material’s ability to withstand extreme conditions ensures optimal performance and safety, making it the go-to choice for critical applications.


Schedule and Size Chart
Nominal Pipe Size (NPS) | Outside Diameter (OD) (inches) | Wall Thickness (Schedule 10S) (inches) | Wall Thickness (Schedule 40S) (inches) | Wall Thickness (Schedule 80S) (inches) | Length (inches) |
1/2″ | 0.84 | 0.065 | 0.109 | 0.147 | Custom lengths |
3/4″ | 1.05 | 0.065 | 0.113 | 0.154 | Custom lengths |
1″ | 1.315 | 0.065 | 0.133 | 0.179 | Custom lengths |
1 1/2″ | 1.9 | 0.083 | 0.145 | 0.200 | Custom lengths |
2″ | 2.375 | 0.083 | 0.154 | 0.218 | Custom lengths |
4″ | 4.5 | 0.120 | 0.237 | 0.337 | Custom lengths |
Mechanical Properties Chart
Property | Value | Unit |
Tensile Strength | 276 – 414 | MPa (40 – 60 ksi) |
Yield Strength | 180 | MPa (26 ksi) |
Elongation (in 50mm) | ≥ 20% | Percentage (%) |
Hardness | 90-120 | HV (Vickers Hardness) |
Modulus of Elasticity | 186 | GPa |
Poisson’s Ratio | 0.34 | Ratio |
Specifications Chart
Specification | Description |
Standard | ASTM B708 |
Material Grade | R05240 (Commercially Pure Tantalum) |
Product Forms | Sheet, Plate, Strip, Fittings |
Manufacturing Process | Cold/Hot Forming |
Heat Treatment | Annealed or Stress-Relieved (As Required) |
Compliance | Meets ASTM B708 Standards |
Tolerances | As per ASTM B708 specifications |
Chemical Composition Chart
Element | Percentage (%) |
Tantalum (Ta) | ≥ 99.5 |
Niobium (Nb) | ≤ 0.1 |
Titanium (Ti) | ≤ 0.01 |
Molybdenum (Mo) | ≤ 0.02 |
Tungsten (W) | ≤ 0.05 |
Carbon (C) | ≤ 0.01 |
Nitrogen (N) | ≤ 0.01 |
Hydrogen (H) | ≤ 0.001 |
Oxygen (O) | ≤ 0.03 |
Physical Properties Chart
Property | Value | Unit |
Density | 16.6 | g/cm³ |
Melting Point | 3,017 | °C |
Boiling Point | 5,458 | °C |
Electrical Resistivity | 13.55 | µΩ·cm |
Thermal Conductivity | 57.5 | W/m·K |
Coefficient of Expansion | 6.5 | µm/m°C |
Modulus of Elasticity | 186 | GPa |
Application Chart
Industry | Application |
Chemical Processing | Heat Exchangers, Reactors, and Piping Systems exposed to strong acids such as hydrochloric acid and sulfuric acid. |
Aerospace | High-temperature components, gas turbines, and parts exposed to extreme heat. |
Nuclear Power | Radiation-resistant piping and reactors, offering high reliability in harsh conditions. |
Electronics | Capacitors, high-performance resistors, and electronic components requiring reliable conductivity and corrosion resistance. |
Medical Devices | Biocompatible fittings for surgical tools, implants, and devices exposed to body fluids. |
Pharmaceutical | Fittings used in processing equipment for drug manufacturing, due to excellent corrosion resistance. |
ASTM B708 R05240 Tantalum Fittings Exporters and Suppliers
As a leading supplier and exporter of ASTM B708 R05240 Tantalum Fittings, ASC LLP is committed to providing high-quality, durable products that meet the most stringent industry standards. We offer a comprehensive range of tantalum fittings in various sizes and specifications to meet the unique needs of our clients across industries.
- Quality Assurance: Our R05240 Tantalum Fittings are manufactured to the highest standards, ensuring consistent performance and reliability.
- Custom Solutions: We offer custom fabrication services to provide fittings that meet your specific application requirements.
- Global Supply Chain: As a trusted supplier, we deliver tantalum fittings to clients worldwide, ensuring timely delivery and exceptional service.
- Competitive Pricing: While tantalum is a premium material, we strive to offer competitive pricing without compromising on quality.
- Industry Expertise: With years of experience in supplying high-performance materials, we understand the unique demands of industries such as aerospace, chemical processing, and electronics.
ASTM B708 R05240 Tantalum Fittings offer an unparalleled combination of corrosion resistance, heat resistance, and durability, making them the material of choice for industries operating in extreme environments. Whether you need fittings for chemical processing, aerospace, electronics, or nuclear applications, tantalum provides reliable performance and long-lasting benefits.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM B708 R05240 Tantalum Fittings. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.