ASTM B394 R04210 Niobium Fittings – High-Performance Niobium Solutions by ASC LLP

ASTM B394 R04210 Niobium Fittings are specialized components used in various industrial applications requiring exceptional corrosion resistance, high-temperature stability, and superior mechanical properties. Known for their remarkable performance, these fittings are made from Niobium R04210 alloy, which is characterized by its low density, excellent ductility, and outstanding resistance to a wide range of corrosive environments. As an essential component in industries such as chemical processing, aerospace, nuclear, and electronics, ASTM B394 Niobium R04210 fittings play a crucial role in enhancing the efficiency and safety of various operations.

What is ASTM B394 Niobium R04210 Fittings?

ASTM B394 Niobium R04210 Alloy fittings are manufactured according to the specifications outlined in ASTM B394, a standard that governs the requirements for niobium and niobium alloy products. The R04210 alloy used in these fittings is a high-purity niobium grade that exhibits excellent chemical stability and mechanical strength even under extreme conditions. These fittings are typically employed in environments where resistance to oxidation, heat, and corrosive chemicals is of utmost importance.

The composition of ASTM B394 R04210 niobium fittings ensures their suitability for critical applications, including those that demand low thermal neutron absorption cross-sections and high melting points, making them an ideal choice for nuclear reactors and high-temperature processing equipment.

ASTM B394 R04210 Niobium Fittings

Properties of ASTM B394 R04210 Niobium Fittings

ASTM B394 R04210 Niobium fittings are distinguished by their unique properties that set them apart from other alloys. Some of the key properties include:

  1. Corrosion Resistance: Niobium R04210 fittings exhibit exceptional resistance to various corrosive agents, including acids, alkalis, and high-temperature oxidizing environments. This property makes them highly suitable for use in chemical processing plants and other harsh conditions.
  2. High Melting Point: With a melting point of approximately 2,468°C (4,474°F), niobium fittings can withstand extreme heat, making them ideal for applications involving high-temperature processes.
  3. Excellent Ductility and Toughness: ASTM B394 R04210 Niobium fittings maintain excellent ductility and toughness, allowing them to absorb impacts and stress without fracturing. This feature is particularly beneficial in applications where the fittings are subjected to dynamic loads.
  4. Low Thermal Expansion: The low thermal expansion coefficient of niobium fittings helps maintain dimensional stability during thermal cycling, reducing the risk of cracking or warping.
  5. Good Weldability: Niobium R04210 fittings can be easily welded without compromising their structural integrity, allowing for versatile fabrication and installation options.

Advantages of ASTM B394 R04210 Niobium Fittings

The use of R04210 Niobium fittings offers numerous advantages that make them a preferred choice in various high-demand applications. Some of the benefits include:

  1. Enhanced Durability: Due to their robust corrosion resistance and high-temperature stability, niobium fittings provide long-lasting performance, minimizing the need for frequent maintenance or replacements.
  2. Versatility in Application: The unique properties of R04210 niobium fittings allow them to be used across multiple industries, including aerospace, nuclear, chemical processing, and electronics, demonstrating their versatility.
  3. Superior Performance in Extreme Environments: Niobium fittings are designed to operate efficiently in extreme conditions, including high-pressure, high-temperature, and corrosive environments, ensuring reliable performance where other materials might fail.
  4. Reduced Contamination Risk: The high purity of Niobium R04210 ensures that these fittings do not introduce impurities into the processing environment, making them ideal for use in sensitive applications such as semiconductor manufacturing and medical devices.
  5. High Strength-to-Weight Ratio: The lightweight nature of niobium, combined with its high mechanical strength, offers an excellent strength-to-weight ratio, which is advantageous in applications where weight reduction is critical.
R04210 Niobium Fittings
ASTM B394 Fittings

Schedule and Size Chart

Schedule Nominal Pipe Size (NPS) Outside Diameter (OD) (inches) Wall Thickness (inches)
Schedule 10 1/2″ – 24″ 0.840 – 24.000 0.065 – 0.250
Schedule 40 1/2″ – 24″ 0.840 – 24.000 0.109 – 0.375
Schedule 80 1/2″ – 24″ 0.840 – 24.000 0.147 – 0.500
Schedule 160 1/2″ – 24″ 0.840 – 24.000 0.188 – 0.593

Mechanical Properties Chart

Property Value
Tensile Strength 275 MPa (40,000 psi)
Yield Strength 160 MPa (23,000 psi)
Elongation 20%
Hardness 60 HRB
Modulus of Elasticity 103 GPa (15,000 ksi)
Poisson’s Ratio 0.4

Specifications Chart

Specification Details
Standard ASTM B394
Alloy Grade R04210
Material Type Niobium Alloy
Fittings Types Elbows, Tees, Reducers, Caps, Flanges, etc.
Form Seamless, Welded
Manufacturing Processes Hot Forming, Cold Forming, Welding
Heat Treatment Annealed or Solution Treated
Dimensional Standards ASME B16.9, ASME B16.11

Chemical Composition Chart

Element Percentage (%)
Niobium (Nb) ≥ 99.0
Tantalum (Ta) ≤ 0.10
Tungsten (W) ≤ 0.02
Titanium (Ti) ≤ 0.02
Zirconium (Zr) ≤ 0.02
Oxygen (O) ≤ 0.025
Carbon (C) ≤ 0.01
Hydrogen (H) ≤ 0.0015
Nitrogen (N) ≤ 0.015

Physical Properties Chart

Property Value
Density 8.57 g/cm³
Melting Point 2,468°C (4,474°F)
Thermal Conductivity 53.7 W/m·K
Electrical Resistivity 152 nΩ·m
Coefficient of Thermal Expansion 7.3 µm/m·°C
Specific Heat Capacity 0.268 J/g·K

Application Chart

Industry Application
Chemical Processing Reactors, piping systems, and tanks handling corrosive chemicals.
Aerospace Components in jet engines, rocket propulsion systems, and heat shields.
Nuclear Used in nuclear reactors for low neutron absorption and high stability.
Medical Devices Used in surgical implants and instruments due to biocompatibility.
Electronics High-purity fittings for semiconductor manufacturing and high-performance electronics.
Oil and Gas Fittings for high-temperature and high-pressure environments in refineries and pipelines.

ASTM B394 R04210 Niobium Fittings: Exporters and Suppliers

As leading exporters and suppliers of ASTM B394 Niobium R04210 fittings, ASC LLP provides high-quality niobium alloy fittings designed to meet the rigorous demands of various industries. Our niobium fittings are manufactured to exacting standards, ensuring superior performance, reliability, and safety in every application.

We offer a wide range of niobium fittings, including elbows, tees, reducers, and flanges, all designed to provide seamless integration into your system. Our commitment to quality and customer satisfaction makes us a trusted partner for businesses seeking top-tier niobium alloy 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 B394 R04210 Niobium 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.

Metal globe

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.

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