ASTM B564 Hastelloy B2 Flanges: Premium Quality for High-Performance Applications

At Amardeep Steel Centre LLP, we take pride in offering top-quality ASTM B564 Hastelloy B2 Flanges, engineered to meet the rigorous demands of various industrial sectors. Our B2 Hastelloy Flanges are designed for use in environments where resistance to corrosion and chemical degradation is critical. This page provides a comprehensive overview of what ASTM B564 B2 Hastelloy Flanges are, their properties, advantages, and key applications.

What is ASTM B564 B2 Hastelloy Flanges?

ASTM B564 B2 Hastelloy Flanges are precision-engineered components made from a nickel-molybdenum alloy known as Hastelloy B2. This specification, ASTM B564, covers the standards for nickel alloy forgings, including flanges, which are designed to perform in highly corrosive environments. Hastelloy B2 is renowned for its exceptional resistance to reducing acids, such as hydrochloric acid and sulfuric acid, making it ideal for applications in chemical processing, petrochemical, and pharmaceutical industries.

Hastelloy Flanges ASTM B564 B2 are characterized by their ability to withstand aggressive environments where other materials may fail. These flanges are highly sought after for their unique properties, which provide a combination of strength, durability, and exceptional corrosion resistance.

ASTM B564 Hastelloy B2 Flanges

Properties of ASTM B564 B2 Hastelloy Flanges

Understanding the properties of ASTM B564 B2 Hastelloy Flanges is essential to grasp why they are so highly valued in various industries. Here are some of the critical properties that make them stand out:

  1. Corrosion Resistance: Hastelloy B2 flanges exhibit excellent resistance to a wide range of corrosive chemicals, especially reducing acids. They perform exceptionally well in hydrochloric, sulfuric, acetic, and phosphoric acids. This resistance makes them suitable for applications involving chemical processing, where exposure to harsh chemicals is frequent.
  2. High-Temperature Stability: These flanges retain their mechanical properties and corrosion resistance even at elevated temperatures, ensuring reliable performance in high-temperature environments. They are suitable for processes involving high heat, where maintaining structural integrity is crucial.
  3. Mechanical Strength: The nickel-molybdenum composition of Hastelloy B2 provides high mechanical strength, making it ideal for flanges that must withstand extreme pressures and loads. This mechanical strength extends the longevity of the components, reducing the need for frequent replacements.
  4. Resistance to Pitting and Stress Corrosion Cracking: Hastelloy ASTM B564 B2 Flanges are designed to resist pitting and stress corrosion cracking, which are common issues in environments with chlorides and other corrosive agents. This property is essential for maintaining the integrity of the flanges in applications where pitting could lead to catastrophic failures.
  5. Weldability: Despite the alloy’s complex composition, Hastelloy B2 flanges offer good weldability. They can be joined with other materials without losing their key properties, ensuring versatility in various assembly processes.
  6. Dimensional Stability: ASTM B564 B2 Hastelloy Flanges maintain their dimensions even under severe mechanical stress and temperature fluctuations. This stability is crucial for ensuring leak-proof connections in piping systems.

Advantages of ASTM B564 B2 Hastelloy Flanges

When choosing the right material for flanges, understanding the advantages of ASTM B564 B2 Hastelloy Flanges helps in making an informed decision. Here are the primary benefits:

  1. Enhanced Durability: The combination of mechanical strength and corrosion resistance ensures these flanges have a long service life, even in the most challenging environments. This durability translates to reduced maintenance costs and downtime, which is crucial for industrial operations.
  2. Versatility Across Industries: Due to their excellent properties, these flanges find applications across various industries, including chemical processing, oil and gas, power generation, pharmaceuticals, and more. They are versatile enough to be used in diverse environments, from acidic chemical plants to high-temperature power stations.
  3. Compliance with Industry Standards: Being manufactured as per ASTM B564 standards, these flanges adhere to stringent quality controls, ensuring they meet or exceed industry requirements. This compliance guarantees that the flanges will perform reliably in all specified applications.
  4. Exceptional Performance in Aggressive Environments: Unlike many other alloys, B2 Hastelloy Flanges can handle highly aggressive environments with minimal risk of degradation. This makes them ideal for critical applications where safety and performance are paramount.
  5. Ease of Fabrication: The material’s excellent weldability and machinability make fabrication easier, allowing for customization and integration into existing systems with minimal hassle. This property also reduces lead times for custom orders.
  6. Cost-Effectiveness: Although Hastelloy B2 flanges may have a higher upfront cost compared to some other materials, their long-term benefits — such as reduced maintenance, increased longevity, and lower risk of failure — make them a cost-effective choice over time.
Hastelloy B2 Flanges
ASTM B564 Hastelloy Flanges

Schedule and Size Chart

Flange Type Nominal Size (inches) Schedule Outside Diameter (OD) (mm) Thickness (mm) Weight (kg)
Slip-On Flange 1/2″ to 24″ SCH 10, 20, 40, 80 21.34 – 609.6 6.35 – 15.88 0.45 – 350.7
Weld Neck Flange 1/2″ to 24″ SCH 10, 20, 40, 80 21.34 – 609.6 6.35 – 15.88 0.5 – 368.9
Blind Flange 1/2″ to 24″ SCH 10, 20, 40, 80 21.34 – 609.6 6.35 – 15.88 0.55 – 380.1
Socket Weld Flange 1/2″ to 4″ SCH 40, 80, 160, XXS 21.34 – 114.3 7.47 – 13.41 0.55 – 12.0
Threaded Flange 1/2″ to 4″ SCH 40, 80, 160, XXS 21.34 – 114.3 7.47 – 13.41 0.6 – 13.0
Lap Joint Flange 1/2″ to 24″ SCH 10, 20, 40, 80 21.34 – 609.6 6.35 – 15.88 0.5 – 370.0

Mechanical Properties Chart

Property Value
Tensile Strength 110 ksi (758 MPa) min
Yield Strength 51 ksi (350 MPa) min
Elongation 40% min (in 50 mm)
Hardness 85 HRB max
Modulus of Elasticity 206 GPa (at 20°C)
Impact Strength Excellent (Charpy V-Notch)

Specifications Chart

Specification Description
Standard ASTM B564
Flange Type Slip-On, Weld Neck, Blind, Socket Weld, Threaded, Lap Joint
Material Grade Hastelloy B2
Size Range 1/2″ to 24″
Pressure Ratings Class 150 to Class 2500
Face Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Manufacturing Process Forged
Heat Treatment Solution Annealed

Chemical Composition Chart

Element Composition (%)
Nickel (Ni) 66.0 – 74.0
Molybdenum (Mo) 26.0 – 30.0
Iron (Fe) 2.0 max
Chromium (Cr) 1.0 max
Manganese (Mn) 1.0 max
Silicon (Si) 0.10 max
Carbon (C) 0.02 max
Phosphorus (P) 0.04 max
Sulfur (S) 0.03 max

Physical Properties Chart

Property Value
Density 9.24 g/cm³ (0.334 lb/in³)
Melting Point 1370 – 1390°C (2500 – 2530°F)
Thermal Conductivity 7.9 W/m·K (at 20°C)
Specific Heat Capacity 427 J/kg·K (at 25°C)
Electrical Resistivity 1.31 µΩ·m (at 20°C)
Coefficient of Expansion 11.7 x 10^-6 /°C (from 20°C to 100°C)

Applications Chart

Industry Applications
Chemical Processing Used in reactors, piping systems, heat exchangers, and storage tanks exposed to highly corrosive chemicals.
Oil and Gas Utilized in offshore platforms, refineries, and drilling rigs where resistance to sour gas and seawater is essential.
Pharmaceutical Manufacturing Applied in equipment handling various acids and chemicals under strict hygiene and contamination-free conditions.
Power Generation Employed in high-temperature piping systems, reactors, and boilers, particularly in fossil fuel and nuclear power plants.
Marine and Offshore Engineering Suitable for components exposed to seawater and harsh marine environments, including valves and pressure vessels.
Pulp and Paper Used in bleaching and pulping processes that involve exposure to acidic or alkaline chemicals.

Benefits in Choosing Amardeep Steel Centre LLP as your supplier for ASTM B564 B2 Hastelloy Flanges?

At Amardeep Steel Centre LLP, we are committed to providing our clients with the highest quality products that meet international standards. Here’s why you should choose us for your ASTM B564 B2 Hastelloy Flanges needs:

  1. Quality Assurance: We adhere to stringent quality control measures to ensure our flanges meet ASTM B564 specifications and exceed customer expectations in performance and durability.
  2. Expertise and Experience: With years of experience in the steel and alloy industry, we possess the expertise to guide you in selecting the right flanges for your specific requirements.
  3. Custom Solutions: We offer customization options to meet the unique needs of our clients, ensuring that our flanges are a perfect fit for their applications.
  4. Competitive Pricing: Despite offering premium products, we maintain competitive pricing to provide value for money without compromising on quality.
  5. Global Reach: As a leading supplier of Hastelloy B2 Flanges, we cater to clients worldwide, ensuring timely delivery and excellent customer support.

ASTM B564 B2 Hastelloy Flanges from Amardeep Steel Centre LLP are the ideal choice for industries that require robust, corrosion-resistant, and durable components. Whether you are in the chemical, oil and gas, pharmaceutical, or power generation sector, our flanges offer unmatched performance and reliability. Contact us today to learn more about our range of Hastelloy ASTM B564 B2 Flanges and how they can benefit your operations.

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 B2 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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