Hastelloy B-2 Strips – Factory-Made Precision Alloy for Various Industries

Hastelloy B-2 is a nickel-molybdenum alloy known for its superior resistance to highly reducing environments, such as hydrochloric acid and other aggressive chemicals. When manufactured into precision strips, this material provides excellent corrosion resistance, high mechanical strength, and adaptability, making it suitable for a wide range of industrial applications.

Material Composition and Properties

Hastelloy B-2 strips are primarily composed of nickel and molybdenum, offering the following key benefits:

• Outstanding Corrosion Resistance: Highly resistant to hydrochloric acid, sulfuric acid, and other reducing agents.

• High Strength and Flexibility: Ensures durability in demanding industrial environments.

• Excellent Weldability and Fabricability: Suitable for forming, machining, and welding without significant carbide precipitation.

• Superior Thermal Stability: Performs efficiently in high-temperature applications without degradation.

Applications of Hastelloy B-2 Strips

Due to their excellent chemical and mechanical properties, Hastelloy B-2 strips are widely used in multiple industries, including:

1. Chemical Processing Industry: Used in heat exchangers, storage tanks, piping systems, and reactors handling aggressive chemicals.

2. Aerospace and Defense: Applied in precision components exposed to extreme environments and corrosive conditions.

3. Marine and Offshore Engineering: Ideal for seawater-resistant structural applications.

4. Pharmaceutical and Biotechnology Industry: Used in sterile equipment and chemical-resistant applications.

5. Energy and Power Generation: Applied in geothermal, nuclear, and petrochemical industries requiring corrosion-resistant materials.

Grades and Standards

Hastelloy B-2 strips comply with international standards to ensure high-quality performance:

• UNS Number: N10665

• ASTM Standards: ASTM B333 (Strips & Sheets)

• EN/DIN Equivalent: 2.4617

Manufacturing Process

The production of Hastelloy B-2 strips involves advanced metallurgical techniques to ensure precision and reliability:

1. Melting and Alloying: The alloy is produced using vacuum induction melting (VIM) or electric arc furnace (EAF) processes to maintain purity.

2. Hot and Cold Rolling: Achieves the desired thickness and enhances mechanical properties.

3. Annealing and Heat Treatment: Improves corrosion resistance and flexibility.

4. Surface Finishing: Includes pickling, passivation, and polishing for optimal performance.

5. Quality Control and Testing: Ensures compliance with mechanical, chemical, and dimensional specifications.

User Requirements and Customization

Industries using Hastelloy B-2 strips often require custom specifications to meet operational needs. Common customization options include:

• Varied Strip Thicknesses and Widths: Available in multiple dimensions for specific applications.

• Surface Finish Options: Mill finish, electro-polished, or coated for enhanced durability.

• Precision Slitting and Cutting Services: Ensures exact dimensions for user applications.

• Compliance with International Standards: Meeting ASTM, ASME, and other regulatory certifications.