ASTM B392 C103 Niobium Flanges: A Comprehensive Overview

Amardeep Steel Centre LLP is proud to offer high-quality ASTM B392 C103 Niobium Flanges that meet the exacting standards of ASTM B392. These flanges are known for their exceptional strength, corrosion resistance, and ability to perform in extreme environments, making them a preferred choice in industries such as aerospace, chemical processing, and nuclear applications.

What is ASTM B392 C103 Niobium Flanges?

ASTM B392 C103 Niobium Flanges are high-performance flanges made from a niobium alloy known as C103. Niobium, a rare and valuable metal, is often alloyed with other elements to enhance its mechanical properties and corrosion resistance. The C103 alloy, in particular, is a niobium-based alloy that contains small amounts of hafnium and titanium, which contribute to its remarkable strength and durability.

ASTM B392 is the standard specification that governs the production of niobium and niobium alloy products, including flanges. This standard ensures that the material meets specific chemical composition, mechanical property, and testing requirements, guaranteeing consistency and reliability in demanding applications.

ASTM B392 C103 Niobium Flanges

Properties of ASTM B392 C103 Niobium Flanges

The unique composition of Niobium ASTM B392 C103 Flanges imparts several exceptional properties that make them suitable for high-performance applications:

  1. High Melting Point: One of the most notable properties of C103 niobium is its high melting point, which exceeds 2468°C (4474°F). This makes ASTM B392 C103 Niobium Flanges ideal for applications that involve extremely high temperatures, such as aerospace and nuclear reactors.
  2. Excellent Corrosion Resistance: C103 Niobium Flanges offer excellent resistance to corrosion, particularly in acidic environments. This property is crucial for applications in chemical processing industries where exposure to corrosive substances is common.
  3. Superior Strength and Ductility: The addition of hafnium and titanium to niobium in the C103 alloy enhances its strength and ductility. Niobium Flanges ASTM B392 C103 can withstand significant mechanical stress without deforming, making them suitable for high-pressure applications.
  4. Low Thermal Expansion: ASTM B392 C103 Niobium Flanges exhibit low thermal expansion, which means they maintain their structural integrity even when subjected to drastic temperature changes. This property is particularly valuable in aerospace and nuclear industries, where materials are exposed to rapid heating and cooling cycles.
  5. Biocompatibility: Niobium is known for its biocompatibility, meaning it does not react adversely with biological tissues. This makes Niobium ASTM B392 C103 Flanges suitable for medical applications, particularly in implants and devices that come into contact with the human body.

Advantages of ASTM B392 C103 Niobium Flanges

Choosing ASTM B392 C103 Niobium Flanges for your project offers several significant advantages:

  1. Reliability in Extreme Conditions: The unique properties of C103 niobium allow these flanges to perform reliably in extreme conditions, including high temperatures, corrosive environments, and high-pressure systems. This reliability reduces the risk of failure and extends the lifespan of equipment.
  2. Versatility Across Industries: The exceptional characteristics of ASTM B392 C103 Niobium Flanges make them suitable for a wide range of industries, including aerospace, chemical processing, nuclear energy, and medical devices. Their versatility ensures that they can meet the demands of various applications, from rocket engines to chemical reactors.
  3. Cost-Effectiveness: While niobium is a rare and valuable metal, the durability and longevity of C103 Niobium Flanges often result in lower long-term costs. Their resistance to wear and corrosion reduces the need for frequent replacements, making them a cost-effective choice for critical applications.
  4. Compliance with Industry Standards: By adhering to the ASTM B392 standard, C103 Niobium Flanges ensure compliance with industry regulations and quality benchmarks. This compliance is crucial for industries where safety and performance are paramount.
C103 Niobium Flanges
ASTM B392 Niobium Flanges

Schedule and Size Chart

Schedule Nominal Pipe Size (NPS) Flange Outside Diameter (OD) Flange Thickness Bolt Circle Diameter Number of Bolts Bolt Hole Diameter
Schedule 10 1/2″ – 24″ 3.5″ – 31.0″ 0.25″ – 1.0″ 2.75″ – 29.25″ 4 – 20 0.63″ – 1.88″
Schedule 40 1/2″ – 24″ 3.88″ – 36.0″ 0.28″ – 1.06″ 3.25″ – 32.0″ 4 – 20 0.75″ – 2.0″
Schedule 80 1/2″ – 24″ 4.25″ – 38.0″ 0.31″ – 1.25″ 3.50″ – 34.5″ 4 – 24 0.88″ – 2.25″
Schedule 160 1/2″ – 24″ 4.63″ – 40.0″ 0.38″ – 1.5″ 3.88″ – 36.5″ 4 – 24 1.0″ – 2.5″

Mechanical Properties Chart

Property Value
Ultimate Tensile Strength (UTS) 448 – 482 MPa (65 – 70 ksi)
Yield Strength 345 MPa (50 ksi)
Elongation 15%
Hardness 120 HBW
Modulus of Elasticity 103 GPa
Poisson’s Ratio 0.36

Specifications Chart

Standard Specification
ASTM B392
UNS R04210
Alloy C103
Heat Treatment Annealed
Flange Type Weld Neck, Slip-On, Blind, Lap Joint, etc.
Surface Finish Machined, Polished, etc.

Tensile Strength Chart

Condition Tensile Strength (MPa) Tensile Strength (ksi)
Annealed 448 – 482 65 – 70
Cold Worked 482 – 552 70 – 80
Heat Treated 552 – 690 80 – 100

Heat Treatment Requirement Chart

Heat Treatment Temperature Range Cooling Method Purpose
Annealing 1065°C – 1150°C (1950°F – 2100°F) Air Cooling To reduce hardness and improve ductility.
Stress Relieving 870°C – 980°C (1600°F – 1800°F) Air or Furnace Cooling To relieve internal stresses after fabrication.

Chemical Composition Chart

Element Composition (%)
Niobium (Nb) 89.0 – 91.0
Titanium (Ti) 10.0 – 11.0
Zirconium (Zr) 1.0 – 1.5
Hafnium (Hf) 0.5 – 1.0
Iron (Fe) 0.1 max
Nickel (Ni) 0.05 max
Carbon (C) 0.02 max

Physical Properties Chart

Property Value
Density 8.6 g/cm³
Melting Point 2477°C (4491°F)
Thermal Conductivity 54.0 W/m·K at 20°C
Specific Heat Capacity 0.268 J/g·K at 25°C
Electrical Resistivity 15.0 µΩ·cm at 20°C

Application Chart

Industry Application
Aerospace Rocket engines, propulsion systems, high-temperature components.
Nuclear Power Reactor components, piping systems in nuclear facilities.
Chemical Processing Acid-resistant and alkali-resistant flanges, reactors, and pressure vessels.
Defense Missile systems, high-performance weaponry.
Medical Manufacturing of medical devices, biocompatible equipment.

Why Choose Amardeep Steel Centre LLP?

  1. Quality Assurance: We adhere to the highest standards of quality control, ensuring that every ASTM B392 C103 Niobium Flange we produce meets or exceeds industry specifications.
  2. Expertise: With years of experience in the metal industry, our team possesses the knowledge and expertise to guide you in selecting the best materials and products for your specific needs.
  3. Customer Support: At Amardeep Steel Centre LLP, we believe in building long-term relationships with our clients. Our customer support team is always available to answer your questions, provide technical assistance, and ensure that your order is fulfilled to your satisfaction.
  4. Global Reach: We serve clients around the world, providing reliable and timely delivery of high-quality metal products to various industries. No matter where your business is located, you can count on us to meet your needs.

ASTM B392 C103 Niobium Flanges are an exceptional choice for industries that demand high-performance materials capable of withstanding extreme conditions. With their unique combination of properties, including high melting point, corrosion resistance, and superior strength, these flanges offer unparalleled reliability and versatility.

At Amardeep Steel Centre LLP, we are committed to providing top-quality C103 Niobium Flanges that meet the highest industry standards. Our flanges are designed to deliver exceptional performance in the most demanding applications, ensuring that your projects succeed without compromise.

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 C103 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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