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Hastelloy B-2 is a nickel-molybdenum alloy specifically engineered to withstand highly corrosive environments, particularly those containing hydrochloric acid in a wide range of concentrations and temperatures. In precision strip form, it offers outstanding workability, dimensional stability, and corrosion resistance—making it ideal for demanding chemical processing systems.
Products Description
Material Overview
Hastelloy B-2 (UNS N10665) is known for:
Excellent resistance to hydrochloric acid at all concentrations and temperatures
Resistance to stress corrosion cracking and pitting
Minimal carbide precipitation during welding
Enhanced formability and processing precision
These properties make Hastelloy B-2 a preferred material in environments where standard stainless steels and other nickel alloys may rapidly deteriorate.
Physical property
item | HC-276 | C-22 | C-4 | B2 | B3 | N |
C | ≤0.01 | ≤0.015 | ≤0.015 | ≤0.02 | ≤0.01 | 0.04-0.08 |
Mn | ≤1 | ≤0.5 | ≤1 | ≤1 | ≤3 | ≤1 |
Fe | 4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | ≤5 |
P | ≤0.04 | ≤0.02 | ≤0.04 | ≤0.04 | -- | ≤0.015 |
S | ≤0.03 | ≤0.02 | ≤0.03 | ≤0.03 | -- | ≤0.02 |
Si | ≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 | ≤0.1 | ≤1 |
Ni | rest | rest | rest | rest | ≤65 | rest |
Co | ≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 |
Ti+Cu | -- | -- | ≤0.7 | -- | ≤0.4 | ≤0.35 |
Al+Ti | -- | -- | -- | -- | ≤0.5 | ≤0.5 |
Cr | 14.5-16.5 | 20-22.5 | 14-18 | ≤1 | ≤1.5 | 6-8 |
Mo | 15-17 | 12.5-14.5 | 14-17 | 26-30 | ≤28.5 | 15-18 |
B | -- | -- | -- | -- | -- | ≤0.01 |
W | 3-4.5 | 2.5-3.5 | -- | -- | ≤3 | ≤0.5 |
V | ≤0.35 | ≤0.35 | -- | 0.2-0.4 | -- | ≤0.5 |
Shape | Size (mm) |
Wire | 0.5-7.50 |
Rod/Bar | 8.0-200 |
Strip | (0.5-2.5)*(5-180) |
Tube/Pipe | Customized |
Sheet/Plate | Customized |
Applications in Hydrochloric Acid Environments
Hydrochloric acid is widely used in industries such as chemical processing, pharmaceutical manufacturing, and metal pickling. However, its aggressive nature poses serious risks to the longevity and safety of industrial equipment.
Hastelloy B-2 precision strip is particularly suitable for manufacturing:
Heat exchanger components
Chemical reaction vessels
Transfer and storage tanks
Bellows and flexible tubing
Pump components and seals
Its corrosion resistance ensures long-term reliability even in hot, concentrated hydrochloric acid environments, reducing maintenance costs and downtime.
Meeting User Needs
Industrial users operating in hydrochloric acid environments often face the following challenges:
Corrosion-induced equipment failure
Frequent replacement cycles and operational interruptions
Material compatibility issues in multi-acid systems
Strict dimensional and quality standards for precision components
Hastelloy B-2 precision strip addresses these needs with:
Superior chemical compatibility, including with HCl, sulfuric, acetic, and phosphoric acids
Consistent thickness tolerances for high-precision applications
Ease of fabrication, allowing for complex forms without cracking
Weldability, without the risk of intergranular corrosion
Why Choose Precision Strip Form?
The strip form of Hastelloy B-2 offers distinct advantages:
Tight thickness control for high-tolerance parts
Coil and sheet availability for automated processing lines
Custom widths to match exact application specifications
Smooth surface finish for critical sealing and joining applications
These characteristics are essential for manufacturers who require both reliability and precision in harsh chemical environments.
Industry Trends and Outlook
As industries increasingly adopt corrosion-resistant alloys for chemical handling, demand for high-performance materials like Hastelloy B-2 continues to grow. In particular, the global chemical and pharmaceutical sectors are investing in more robust equipment solutions to meet safety regulations, efficiency goals, and sustainability standards.
The use of precision strip helps OEMs and fabricators stay competitive by enabling:
Higher production efficiency
Improved safety profiles
Lower lifecycle costs through fewer replacements and repairs
E-mail: dzx@dlx-alloy.com
Mobile: +8619906119641
Tel: 0086-19906119641
WhatsApp: +86-19906119641
Add: NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu
