ASTM B392 RRR Niobium Flanges: Premium Quality for Specialized Applications

Amardeep Steel Centre LLP is a leading manufacturer and supplier of high-performance ASTM B392 RRR Niobium Flanges. These specialized flanges are designed to meet the stringent requirements of industries where purity and superconductivity are paramount. As a material, Niobium is known for its unique properties, including high melting point, corrosion resistance, and remarkable superconducting capabilities. When processed according to the ASTM B392 standard with a high Residual Resistivity Ratio (RRR), Niobium flanges offer unmatched performance in cryogenic applications and other demanding environments.

What is ASTM B392 RRR Niobium Flanges?

ASTM B392 RRR Niobium Flanges are precision-engineered components made from niobium metal that conform to the ASTM B392 specification, which is the standard for niobium and niobium alloy bar, rod, and wire used in specialized applications. The “RRR” in these flanges stands for Residual Resistivity Ratio, a measure of the purity and superconducting quality of the niobium used. The higher the RRR value, the purer the niobium, and the better its performance in superconducting and cryogenic applications.

ASTM B392 RRR Niobium Flanges

Properties of ASTM B392 RRR Niobium Flanges

ASTM B392 RRR Niobium Flanges possess a set of distinctive properties that make them ideal for use in high-performance and highly specialized applications:

  1. High Purity: With a high RRR value, these flanges are made from niobium that has minimal impurities, ensuring excellent superconducting performance.
  2. Superconductivity: Niobium is a key material in superconducting applications due to its ability to maintain superconductivity at relatively higher temperatures compared to other materials.
  3. Corrosion Resistance: Niobium exhibits excellent resistance to corrosion, particularly in acidic environments, making it suitable for use in chemical processing and other industries that deal with corrosive substances.
  4. High Melting Point: Niobium has a high melting point of 2,468°C (4,474°F), allowing it to maintain structural integrity under extreme conditions.
  5. Biocompatibility: Niobium is biocompatible, meaning it does not cause adverse reactions when in contact with human tissue, making it useful in medical devices.
  6. Ductility and Malleability: Despite its strength and durability, niobium is highly ductile and malleable, allowing it to be formed into complex shapes without cracking.

Advantages of ASTM B392 RRR Niobium Flanges

Investing in ASTM B392 RRR Niobium Flanges from Amardeep Steel Centre LLP offers several advantages, particularly for industries that require materials with exceptional performance characteristics:

  1. Enhanced Superconductivity: The high RRR value of the niobium used in these flanges ensures superior superconducting properties, making them ideal for use in advanced scientific and industrial applications.
  2. Longevity and Durability: Niobium’s resistance to corrosion and high temperatures ensures that flanges made from this material have a long service life, even in challenging environments.
  3. Custom Fabrication: We offer custom fabrication services to meet specific requirements, ensuring that the flanges fit perfectly into your application and meet all necessary specifications.
  4. Reliable Performance: The precision manufacturing process ensures that each flange meets the stringent ASTM B392 standard, providing reliable performance in critical applications.
  5. Cost-Effective Solutions: While niobium is a premium material, its longevity and reliability can result in lower long-term costs by reducing the need for frequent replacements and minimizing downtime.
RRR Niobium Flanges
ASTM B392 Niobium Flanges

Schedule and Size Chart for ASTM B392 RRR Niobium Flanges

Schedule Nominal Pipe Size (NPS) Outer Diameter (OD) Wall Thickness Flange Thickness Bolt Circle Diameter Number of Bolts Bolt Diameter
10 1/2″ to 24″ 0.84″ to 24.00″ 0.109″ to 0.500″ 0.62″ to 1.88″ 2.38″ to 20.00″ 4 to 24 0.50″ to 1.13″
40 1/2″ to 24″ 0.84″ to 24.00″ 0.147″ to 0.688″ 0.62″ to 1.88″ 2.38″ to 20.00″ 4 to 24 0.50″ to 1.13″
80 1/2″ to 24″ 0.84″ to 24.00″ 0.188″ to 0.968″ 0.62″ to 1.88″ 2.38″ to 20.00″ 4 to 24 0.50″ to 1.13″
160 1/2″ to 24″ 0.84″ to 24.00″ 0.294″ to 1.500″ 0.62″ to 1.88″ 2.38″ to 20.00″ 4 to 24 0.50″ to 1.13″

Mechanical Properties Chart

Property Value
Tensile Strength 275 MPa (min)
Yield Strength 150 MPa (min)
Elongation 20% (min)
Hardness 40 HB (max)
Modulus of Elasticity 105 GPa
Poisson’s Ratio 0.4

Specifications Chart

Specification Details
Standard ASTM B392
Material Niobium (High Purity, High RRR)
Flange Type Weld Neck, Slip-On, Blind, etc.
Size Range 1/2″ to 24″ NPS
Pressure Class 150, 300, 600, 900, 1500, 2500
End Connection Raised Face (RF), Flat Face (FF)
Surface Finish Smooth, Serrated, or Custom

Tensile Strength Chart

Grade Tensile Strength (MPa)
Niobium RRR 250 250 MPa (min)
Niobium RRR 300 275 MPa (min)
Niobium RRR 500 300 MPa (min)
Niobium RRR 1000 325 MPa (min)

Heat Treatment Requirement Chart

Heat Treatment Temperature Range Time Cooling Method
Annealing 1050°C to 1250°C 1-2 hours Furnace Cooling
Stress Relieving 750°C to 900°C 30-60 minutes Air Cooling
Vacuum Heat Treatment 1100°C to 1300°C 2-4 hours Slow Furnace Cooling

Chemical Composition Chart

Element Content (%)
Niobium (Nb) 99.8% (min)
Tantalum (Ta) 0.05% (max)
Titanium (Ti) 0.03% (max)
Tungsten (W) 0.01% (max)
Iron (Fe) 0.005% (max)
Carbon (C) 0.004% (max)

Physical Properties Chart

Property Value
Density 8.57 g/cm³
Melting Point 2,468°C (4,474°F)
Thermal Conductivity 54.3 W/m·K (at 20°C)
Electrical Resistivity 152 nΩ·m (at 20°C)
Specific Heat Capacity 0.265 J/g·K

Application Chart

Industry Application
Superconducting Devices Superconducting cavities in particle accelerators
Cryogenics Components in cryogenic equipment
Medical Equipment Implants and surgical devices
Chemical Processing Corrosion-resistant equipment and piping systems
Aerospace High-temperature components and rocket nozzles
Nuclear Industry Components in nuclear reactors and fuel handling

Benefits of Choosing Amardeep Steel Centre LLP as your supplier for ASTM B392 RRR Niobium Flanges?

At Amardeep Steel Centre LLP, we pride ourselves on being a leading supplier of high-quality ASTM B392 RRR Niobium Flanges. Our commitment to quality, precision, and customer satisfaction sets us apart in the industry. Here’s why you should choose us for your niobium flange needs:

  1. Expertise in Specialty Metals: With years of experience in the industry, we have the expertise to manufacture and supply niobium flanges that meet the highest standards.
  2. Quality Assurance: Our manufacturing process includes rigorous quality control measures to ensure that each flange meets the ASTM B392 standard and exceeds customer expectations.
  3. Global Reach: We supply ASTM B392 RRR Niobium Flanges to clients around the world, ensuring that our high-quality products are available wherever you need them.
  4. Customized Solutions: We understand that every application is unique, which is why we offer customized solutions to meet your specific requirements.
  5. Technical Support: Our team of experts is available to provide technical support and guidance, helping you select the right flanges for your application and ensuring their optimal performance.

ASTM B392 RRR Niobium Flanges are an essential component in many advanced industrial and scientific applications, offering unmatched performance due to their high purity, superconductivity, and resistance to corrosion and high temperatures. At Amardeep Steel Centre LLP, we are committed to providing our customers with the highest quality niobium flanges that meet the stringent requirements of the ASTM B392 standard. With our expertise, quality assurance, and customer-focused approach, we are your trusted partner for all your niobium flange needs.

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 B392 RRR Niobium Flanges. 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.

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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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