ASTM B564 Hastelloy C276 Flanges: High-Performance Solution for Various Applications
At Amardeep Steel Centre LLP, we take pride in being a leading supplier of high-quality flanges, including the robust and versatile ASTM B564 Hastelloy C276 Flanges. As industries evolve, the need for materials that can withstand harsh environments has increased, making the C276 Hastelloy Flanges a preferred choice in various applications. In this detailed guide, we explore the unique properties, advantages, and applications of these flanges.
What is ASTM B564 C276 Hastelloy Flanges?
ASTM B564 C276 Hastelloy Flanges are specialized components used in piping systems to connect pipes, valves, pumps, and other equipment. These flanges are made from Hastelloy C276, a nickel-molybdenum-chromium alloy known for its exceptional resistance to a wide range of corrosive environments. The ASTM B564 specification defines the standard requirements for nickel alloy forgings, including Hastelloy C276, ensuring that the material meets strict mechanical and chemical properties standards.
The Hastelloy ASTM B564 C276 Flanges are widely recognized for their excellent resistance to pitting, stress-corrosion cracking, and crevice corrosion, even in the presence of chloride ions and other aggressive chemicals. This makes them ideal for use in chemical processing, oil and gas, pharmaceuticals, and other industries where materials are exposed to severe conditions.

Properties of ASTM B564 C276 Hastelloy Flanges
The ASTM B564 C276 Hastelloy Flanges exhibit several remarkable properties, which make them suitable for use in challenging environments:
- Corrosion Resistance: One of the most prominent features of Hastelloy Flanges ASTM B564 C276 is their exceptional corrosion resistance. They can withstand a wide range of corrosive chemicals, including strong acids, alkalis, and chlorine-based compounds. This property makes them ideal for use in industries such as chemical processing and wastewater treatment.
- High-Temperature Stability: ASTM B564 C276 Hastelloy Flanges maintain their mechanical strength and integrity at elevated temperatures. They can perform efficiently in high-temperature environments up to 1038°C (1900°F), making them suitable for applications like petrochemical processing and power generation.
- Mechanical Strength: The Hastelloy ASTM B564 C276 Flanges offer excellent tensile strength, toughness, and hardness, ensuring durability and reliability in demanding conditions. This strength allows them to handle high-pressure applications with ease.
- Versatility in Fabrication: Despite their strength and corrosion resistance, ASTM B564 C276 Hastelloy Flanges are relatively easy to fabricate and weld. This versatility in fabrication helps in customizing the flanges according to specific project requirements.
- Resistance to Oxidation: The chromium content in C276 Hastelloy Flanges provides enhanced resistance to oxidation, ensuring long-term performance in various industrial environments.
Advantages of ASTM B564 C276 Hastelloy Flanges
Choosing ASTM B564 C276 Hastelloy Flanges comes with several advantages, especially when dealing with corrosive and high-temperature applications:
- Extended Service Life: Thanks to their exceptional corrosion resistance and durability, these flanges offer an extended service life, reducing the need for frequent replacements and maintenance.
- Cost Efficiency: While Hastelloy Flanges ASTM B564 C276 may have a higher upfront cost compared to standard flanges, their long-term cost efficiency is evident. Their longevity and resistance to wear and tear minimize downtime and maintenance costs, making them a cost-effective choice in the long run.
- High Reliability in Harsh Environments: Industries such as chemical processing, pharmaceuticals, and oil and gas require materials that can withstand aggressive environments without compromising safety or performance. ASTM B564 C276 Hastelloy Flange are specifically designed to meet these rigorous requirements.
- Compliance with Industry Standards: Manufactured according to ASTM standards, these flanges ensure compliance with international quality and safety norms, giving customers confidence in their performance.
- Versatility in Applications: Due to their unique combination of properties, ASTM B564 C276 Hastelloy Flanges are versatile and can be used in a wide range of applications, from marine environments to chemical reactors, desalination plants, and power generation facilities.


Schedule and Size Chart
Nominal Pipe Size (NPS) | Flange Outer Diameter (OD) (inches) | Flange Thickness (T) (inches) | Schedule | Bore Diameter (ID) (inches) |
1/2 | 3.50 | 0.50 | Schedule 40/80 | 0.84 / 0.62 |
3/4 | 3.88 | 0.56 | Schedule 40/80 | 1.05 / 0.82 |
1 | 4.25 | 0.62 | Schedule 40/80 | 1.32 / 1.05 |
1 1/2 | 5.00 | 0.75 | Schedule 40/80 | 1.90 / 1.50 |
2 | 6.00 | 0.88 | Schedule 40/80 | 2.38 / 1.94 |
3 | 7.50 | 1.12 | Schedule 40/80 | 3.50 / 2.90 |
4 | 9.00 | 1.19 | Schedule 40/80 | 4.50 / 3.82 |
6 | 11.00 | 1.38 | Schedule 40/80 | 6.63 / 5.76 |
8 | 13.50 | 1.50 | Schedule 40/80 | 8.63 / 7.62 |
10 | 16.00 | 1.69 | Schedule 40/80 | 10.75 / 9.68 |
Mechanical Properties Chart
Property | Value |
Tensile Strength | 115 ksi (790 MPa) |
Yield Strength (0.2% offset) | 51 ksi (350 MPa) |
Elongation | 40% |
Hardness (Rockwell B) | 85–95 |
Impact Strength (Charpy V-Notch) | 100–120 J (at room temperature) |
Specifications Chart
Specification | Details |
Standard | ASTM B564 |
Material Grade | Hastelloy C276 |
Flange Types | Slip-On, Weld Neck, Blind, Socket Weld, Lap Joint, Threaded, and Orifice |
Pressure Class | Class 150, 300, 600, 900, 1500, 2500 |
Size Range | 1/2″ to 24″ (DN 15 to DN 600) |
Facing | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
Applications | Chemical Processing, Oil & Gas, Pharmaceuticals, Marine, Power Generation, Pollution Control |
Chemical Composition Chart
Element | Composition (%) |
Nickel (Ni) | 57.0 min |
Chromium (Cr) | 14.5-16.5 |
Molybdenum (Mo) | 15.0-17.0 |
Iron (Fe) | 4.0-7.0 |
Tungsten (W) | 3.0-4.5 |
Cobalt (Co) | 2.5 max |
Manganese (Mn) | 1.0 max |
Vanadium (V) | 0.35 max |
Silicon (Si) | 0.08 max |
Phosphorus (P) | 0.04 max |
Carbon (C) | 0.02 max |
Sulfur (S) | 0.03 max |
Physical Properties Chart
Property | Value |
Density | 8.89 g/cm³ (0.321 lb/in³) |
Melting Range | 1325–1370°C (2417–2498°F) |
Thermal Conductivity | 10.2 W/m·K at 25°C (71 BTU·in/hr·ft²·°F) |
Specific Heat Capacity | 427 J/kg·K (0.102 BTU/lb·°F) |
Electrical Resistivity | 1.24 µΩ·m at 20°C |
Coefficient of Thermal Expansion | 11.2 µm/m·K (6.2 x 10⁻⁶ in/in·°F) |
Application Chart
Industry | Application |
Chemical Processing | Reactors, Heat Exchangers, Distillation Columns, Storage Tanks |
Oil & Gas | Offshore Platforms, Refineries, Pipelines |
Pharmaceuticals | Handling Sensitive Compounds, Equipment for Drug Manufacturing |
Marine | Shipbuilding, Desalination Plants |
Power Generation | Boiler Components, Heat Exchangers |
Pollution Control | Flue Gas Desulfurization Units, Scrubbers, Dampers |
Pulp and Paper | Bleaching Operations, Chemical Recovery Equipment |
Why Choose Amardeep Steel Centre LLP for supply of ASTM B564 C276 Hastelloy Flanges?
At Amardeep Steel Centre LLP, we understand the importance of quality and reliability when selecting materials for critical applications. Here’s why we are the preferred choice for C276 Hastelloy Flanges:
- Quality Assurance: We adhere to stringent quality control measures to ensure that our Hastelloy ASTM B564 C276 meet or exceed industry standards. Each flange undergoes rigorous testing to guarantee its performance under various conditions.
- Extensive Inventory: We maintain a vast inventory of ASTM B564 C276 Hastelloy Flanges in various sizes, types, and specifications to cater to the diverse needs of our customers. This allows us to provide quick deliveries and reduce lead times.
- Expertise and Experience: With decades of experience in the steel industry, we have built a reputation for excellence. Our team of experts is always available to provide technical support and guidance, helping you select the right flange for your specific application.
- Customized Solutions: We offer customization options to ensure that our flanges meet your precise requirements. Whether you need a specific size, pressure rating, or type of flange, we can provide tailored solutions to meet your needs.
- Global Reach: As a trusted name in the steel industry, Amardeep Steel Centre LLP serves clients worldwide. We have the capabilities to handle international shipments, ensuring that our products reach you wherever you are.
The ASTM B564 Hastelloy Flanges offered by Amardeep Steel Centre LLP represent the pinnacle of reliability, durability, and performance in the most demanding environments. Their unique properties, including exceptional corrosion resistance, high-temperature stability, and mechanical strength, make them an ideal choice for a wide range of industries. By choosing Hastelloy C276 Flanges, you ensure long-term performance, cost efficiency, and compliance with global standards.
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 B564 Hastelloy C276 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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