ASTM B391 Niobium Nb-47% Ti Fittings: A Comprehensive Guide
ASTM B391 Niobium Nb-47% Ti Fittings are high-performance fittings specifically designed for demanding applications where superior corrosion resistance, high strength, and excellent stability at elevated temperatures are essential. These fittings are crafted using an alloy composed of niobium with 47% titanium, offering unique properties that make them ideal for various industries, including aerospace, chemical processing, and nuclear applications.
As a leading supplier and exporter of ASTM B391 Niobium Alloy Nb-47% Ti Fittings, ASC LLP is dedicated to providing high-quality niobium fittings that meet stringent international standards. Our fittings are meticulously crafted to ensure optimal performance and reliability in challenging environments.
What is ASTM B391 Niobium Nb-47% Ti Fittings?
ASTM B391 is a specification that covers niobium and niobium alloy fittings, specifically those containing 47% titanium. These fittings are known for their exceptional strength, flexibility, and resistance to various forms of corrosion, making them an essential component in critical applications. The Nb-47% Ti alloy is particularly valued for its stability in extreme conditions, such as high temperatures and corrosive environments.
These fittings are typically used in applications that require materials with superior performance characteristics, such as in rocket propulsion systems, nuclear reactors, and chemical processing plants. The addition of titanium to niobium significantly enhances the alloy’s mechanical properties, contributing to its widespread use in high-stress environments.
Properties of ASTM B391 Nb-47% Ti Niobium Fittings
The properties of ASTM B391 Nb-47% Ti Niobium fittings make them stand out in the field of high-performance alloys. Below are some of the key properties that define these fittings:
- High Corrosion Resistance: Nb-47% Ti niobium fittings exhibit excellent resistance to corrosion in acidic and oxidizing environments, making them suitable for chemical processing applications where conventional materials may fail.
- Superior Strength: These fittings maintain high strength even at elevated temperatures, providing reliability in high-stress applications such as aerospace and power generation.
- Excellent Stability: The niobium-titanium alloy offers exceptional stability and performance under thermal cycling, ensuring long-term durability in extreme conditions.
- Low Density: Niobium fittings have a relatively low density, contributing to lightweight components without compromising strength, which is particularly advantageous in aerospace applications.
- Good Weldability: ASTM B391 Nb-47% Ti Niobium fittings are known for their good weldability, allowing for easy installation and integration into complex systems without the risk of weakening the material.
- Biocompatibility: Niobium fittings are non-toxic and biocompatible, making them suitable for medical devices and implants, adding to their versatility across various sectors.
Advantages of ASTM B391 Nb-47% Ti Niobium Fittings
ASTM B391 Niobium Nb-47% Ti Fittings offer several advantages that make them the preferred choice for critical applications:
- Enhanced Performance in Extreme Environments: These fittings are designed to perform in extreme conditions, such as high temperatures, corrosive media, and under mechanical stress. This makes them ideal for use in demanding industries like aerospace and nuclear power.
- Longevity and Durability: The superior corrosion resistance and high strength of Nb-47% Ti fittings ensure extended service life, reducing the need for frequent replacements and maintenance.
- Versatility in Applications: Niobium fittings are used in various applications, including industrial processing, chemical plants, and medical equipment, thanks to their unique combination of properties.
- Cost-Efficiency: Although initially more expensive than traditional materials, the longevity and reduced maintenance requirements of niobium fittings offer long-term cost savings.
- Compliance with International Standards: ASTM B391 fittings comply with international quality standards, ensuring that they meet the rigorous requirements of safety and performance in critical applications.
Schedule and Size Chart
| Schedule | Size Range (NPS) | Wall Thickness (mm) |
| SCH 10 | 1/2″ – 24″ | 1.65 – 6.35 |
| SCH 20 | 1/2″ – 24″ | 2.11 – 9.27 |
| SCH 40 | 1/2″ – 24″ | 2.77 – 14.27 |
| SCH 80 | 1/2″ – 24″ | 3.73 – 21.95 |
| SCH 160 | 1/2″ – 24″ | 4.78 – 35.71 |
| XXS | 1/2″ – 24″ | 7.47 – 59.54 |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength | 450 MPa (Min) |
| Yield Strength | 320 MPa (Min) |
| Elongation | 20% (Min) |
| Hardness (Rockwell) | 60 HRB (Max) |
| Modulus of Elasticity | 103 GPa |
Specifications Chart
| Specification | Details |
| Standard | ASTM B391 |
| Material | Niobium Nb-47% Titanium |
| Fitting Types | Elbows, Tees, Reducers, Couplings, Caps |
| Size | 1/2″ to 24″ NPS |
| Schedule | SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, XXS |
| Form | Seamless, Welded |
| Ends | Plain End, Beveled End, Threaded |
| Manufacturing Process | Hot Formed, Cold Formed, Machined |
Chemical Composition Chart
| Element | Composition (%) |
| Niobium (Nb) | Balance |
| Titanium (Ti) | 46.5 – 47.5 |
| Tantalum (Ta) | 0.25 Max |
| Iron (Fe) | 0.10 Max |
| Tungsten (W) | 0.10 Max |
| Carbon (C) | 0.02 Max |
| Hydrogen (H) | 0.015 Max |
| Nitrogen (N) | 0.02 Max |
| Oxygen (O) | 0.05 Max |
Physical Properties Chart
| Property | Value |
| Density | 8.6 g/cm³ |
| Melting Point | 2468°C |
| Coefficient of Thermal Expansion | 7.1 x 10⁻⁶ /°C |
| Thermal Conductivity | 54 W/m·K |
| Electrical Resistivity | 128 nΩ·m |
Applications Chart
| Industry | Applications |
| Aerospace | Rocket propulsion systems, high-temperature components |
| Chemical Processing | Equipment exposed to corrosive chemicals |
| Nuclear Industry | Reactor components, radiation shielding |
| Medical | Implants, medical devices due to biocompatibility |
| Power Generation | Turbine blades, high-temperature fixtures |
| Oil & Gas | Downhole equipment, valves, and piping systems |
| Industrial Manufacturing | High-performance machinery components |
ASTM B391 Nb-47% Ti Niobium Fittings Suppliers and Exporters
ASC LLP is a leading supplier and exporter of ASTM B391 Niobium Nb-47% Ti Fittings. We offer a wide range of niobium fittings, including elbows, tees, reducers, and couplings, all manufactured to meet the highest standards of quality and performance. Our fittings are available in various sizes and specifications, ensuring that we can meet the diverse needs of our global clientele.
- Quality Assurance: We adhere to strict quality control measures to ensure that our niobium fittings meet the highest standards of precision and durability.
- Customization Options: Our fittings can be customized to suit specific requirements, ensuring a perfect fit for any application.
- Global Supply Chain: With a robust supply chain network, we can efficiently deliver our products to clients worldwide, ensuring the timely availability of high-quality fittings.
- Expertise and Experience: With years of experience in the industry, ASC LLP is recognized for its expertise in providing high-performance alloy fittings to a wide range of industries.
- Customer Support: Our dedicated customer support team is always ready to assist with any inquiries or technical support needed, ensuring a smooth and hassle-free experience.
Nb-47% Ti Niobium fittings represent a critical solution for industries that require materials with superior performance under extreme conditions. Their unique properties, combined with their expert manufacturing and supply capabilities, make these fittings the ideal choice for high-stakes applications. Trust ASC LLP for your niobium fitting needs, and experience the unmatched quality and reliability of our products.
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 B391 Niobium Nb-47% Ti 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.
