Custom Hastelloy B-2 Tubes – OEM & Factory Direct Supply

Hastelloy B-2 is a nickel-molybdenum alloy renowned for its superior resistance to reducing environments, including hydrochloric acid and other aggressive chemicals. When manufactured into tubes, this alloy provides excellent performance in industries requiring extreme corrosion resistance and high mechanical strength. With OEM and factory direct supply options, businesses can obtain customized solutions tailored to their specific applications.

Material Composition and Properties

Hastelloy B-2 tubes consist primarily of nickel and molybdenum, offering outstanding advantages such as:

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

• High Mechanical Strength: Retains structural integrity under extreme conditions.

• Excellent Weldability: Allows for easy fabrication without significant carbide precipitation.

• Good Thermal Stability: Performs efficiently in high-temperature environments without compromising corrosion resistance.

Applications of Hastelloy B-2 Tubes

Due to their excellent corrosion and heat resistance, Hastelloy B-2 tubes are widely used in various industries, including:

1. Chemical Processing Industry: Used in heat exchangers, piping systems, and reactors for aggressive chemical handling.

2. Pharmaceutical and Biotechnology Industry: Essential for sterilization and chemical processing applications.

3. Power Generation and Energy Sector: Applied in geothermal, nuclear, and petrochemical industries.

4. Aerospace and Marine Engineering: Suitable for harsh environmental conditions requiring durable tubing solutions.

5. Pulp and Paper Industry: Utilized in processing equipment exposed to acidic and caustic substances.

Grades and Standards

Hastelloy B-2 tubes comply with international standards, ensuring high reliability and quality:

• UNS Number: N10665

• ASTM Standards: ASTM B619 (Welded Tubes), ASTM B622 (Seamless Tubes), ASTM B626 (Welded Tubing)

• EN/DIN Equivalent: 2.4617

Manufacturing Process

The production of Hastelloy B-2 tubes involves stringent quality control and precision engineering:

1. Melting and Alloying: Vacuum induction melting (VIM) or electric arc furnace (EAF) processing ensures purity.

2. Tube Forming: Performed through seamless extrusion or welding processes.

3. Heat Treatment (Annealing): Enhances mechanical properties and corrosion resistance.

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

5. Quality Control: Testing for dimensional accuracy, tensile strength, and corrosion resistance ensures compliance with standards.

User Requirements and Customization

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

• Varied Tube Sizes and Thicknesses: Available in multiple dimensions for different industrial applications.

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

• Fabrication and Machining: Ensuring compatibility with welding, cutting, and forming processes.

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

OEM & Factory Direct Supply Benefits

Purchasing Hastelloy B-2 tubes directly from the factory or through OEM suppliers offers several advantages:

• Cost Efficiency: Eliminates intermediaries, reducing procurement costs.

• Bulk Order Discounts: Competitive pricing for large-volume purchases.

• Customized Production: Tailored tube specifications to meet project requirements.

• Reliable Supply Chain: Ensures timely delivery and consistent quality.