Hastelloy B3 Tube – High Performance Superalloy from China Manufacturer

Hastelloy B2 Pipe, a nickel-molybdenum superalloy, excels in extreme chemical environments. Known for its outstanding corrosion resistance, this hastelloy material is ideal for industries requiring durable, high-performance piping solutions. Key applications include chemical processing and pharmaceutical manufacturing.

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Specifications

Material Grade: Hastelloy B3
Thickness: 0.5 mm to 50 mm
Outer Diameter: 6 mm to 101.6 mm
Length: Customizable based on requirements
Surface Treatment: Polished or as per customer requirements
Standards: ASTM B622 / ASME SB622

Key Features (Advantages)

Exceptional resistance to hydrochloric acid and reducing agents
Improved thermal stability compared to previous Hastelloy grades
Outstanding resistance to stress corrosion cracking and pitting
Excellent weldability and formability

Applications

Hastelloy B3 Tubes are widely used in industries such as:

Chemical Processing: Handling aggressive acids and chemical mixtures
Power Generation: Components in nuclear and thermal plants
Pharmaceutical: Equipment fabrication for high-purity processes
Marine Industry: Saltwater and subsea environments

Chemical Composition of Hastelloy B3 Tube

Element	Percentage (%)
Nickel (Ni)	65.0 min
Molybdenum (Mo)	28.5
Iron (Fe)	1.5 max
Chromium (Cr)	1.5 max
Cobalt (Co)	3.0 max
Others	Trace

Mechanical Properties

Property	Value
Tensile Strength	≥ 760 MPa
Yield Strength	≥ 350 MPa
Elongation	≥ 40%
Hardness	≤ 100 HRB

Chemical Properties

Hastelloy B3 Tube resists:

Acids: Hydrochloric, sulfuric, phosphoric
Alkalis: Limited resistance to caustic soda
Environmental Restrictions: Avoid oxidizing environments above 800°C.

Things to Note (Limitations)

Hastelloy B3 Tube has restrictions:

Not suitable for temperatures above 800°C due to phase instability
Limited performance in oxidizing acids like nitric acid

Corrosion Data for Hastelloy B3 Tube

Environment	Corrosion Rate (mm/year)
Atmospheric	<0.01
10% Hydrochloric Acid	<0.02
10% Sulfuric Acid	<0.05

Welding and Manufacturing Tips

Recommended welding for hastelloy metal includes:

TIG (GTAW), MIG (GMAW)
Use B3 filler metals for best results

Fabrication: Cold forming, hot forming, and machining with high-speed tools.

What Customers Say About Our Hastelloy Material

Frequently Asked Questions

Q: What is the difference between Hastelloy B3 and Hastelloy C22?

A: Hastelloy B3 is optimized for reducing environments and offers superior resistance to hydrochloric acid, while Hastelloy C22 is better suited for oxidizing conditions.

Q: Is Hastelloy B3 suitable for seawater applications?

A: While it has moderate resistance to saltwater, Hastelloy B3 is not typically recommended for applications involving high chloride concentrations.

Q: What are the payment terms for Hastelloy B3 Tubes?

A: Payment terms vary by manufacturer; contact for details including MOQ (minimum order quantity).

Q: Can these tubes be tested for specific operations?

A: Common industries include chemical processing, pharmaceuticals, and marine systems.

Q: How does Hastelloy B2 perform under stress corrosion?

A: It offers excellent resistance to stress corrosion cracking in aggressive environments.