ASTM B521 R05400 Tantalum Buttweld Fittings are high-purity, corrosion-resistant piping components made from UNS R05400 tantalum. These fittings are widely used in chemical processing, pharmaceutical, and heat exchanger systems due to their exceptional resistance to acids, high temperatures, and contamination- sensitive environments.
When industries handle aggressive chemicals and extreme operating conditions, material failure can lead to costly downtime and safety risks. This is why ASTM B521 R05400 Tantalum Fittings are considered one of the most reliable solutions available today.
We supply high-performance Tantalum ASTM B521 Fittings engineered for critical environments where corrosion resistance, purity, and durability are essential. Manufactured using UNS R05400, these fittings offer exceptional resistance to highly corrosive acids such as hydrochloric, sulfuric, and nitric acid.
With hands-on experience supplying to chemical processing units and heat exchanger systems, we understand real-world application challenges. Our ASTM B521 Tantalum Fittings are designed to ensure long service life, minimal maintenance, and consistent performance even in the harshest environments.
What Are ASTM B521 R05400 Tantalum Fittings?
ASTM B521 R05400 Tantalum Fittings are high-purity metal fittings used to connect pipes and tubes in highly corrosive systems. These fittings conform to ASTM B521 standards and are widely used in industries requiring superior corrosion resistance.
Why Tantalum?- Forms a protective oxide layer
- Highly resistant to chemical attack
- Excellent ductility and weldability
- Extremely high melting point (~3017°C)
Because of these properties, Tantalum UNS R05400 Tube Fittings outperform most conventional alloys.
Key Features of Tantalum ASTM B521 Fittings
- Exceptional Corrosion Resistance: Resistant to aggressive acids like hydrochloric and sulfuric acid.
- High Temperature Stability: Maintains performance even in extreme heat conditions.
- Long Service Life: Reduces replacement frequency and operational costs.
- Excellent Weldability: Ideal for ANSI B16.9 Tantalum Butt weld Pipe Fittings.
Types of ASTM B521 Tantalum Fittings
➤ ANSI B16.9 Tantalum Butt weld Pipe Fittings
- Elbows (45°, 90°, 180°)
- Tees (Equal & Reducing)
- Reducers (Concentric & Eccentric)
- Caps & Stub Ends
Permanent, leak-proof connections
Ideal for high-pressure systems
➤ ASTM B521 Tantalum Compression Fittings
- No welding required
- Easy installation
- Ideal for laboratory systems
➤ Tantalum UNS R05400 Tube Fittings
Used in:
- Semiconductor industries
- Pharmaceutical systems
- Ultra-clean environments
Tantalum R05400 Heat Exchanger & Condenser Tubing
We also supply:
- Tantalum R05400 Welded Heat Exchanger Tubes
- Tantalum R05400 Condenser Tubing
- UNS R05400 Regenerative Heat Exchanger Tubes
These products ensure full compatibility with ASTM B521 R05400 Tantalum Buttweld Fittings.
ASTM B521 R05400 Tantalum Fittings Specifications
| Specification | Details |
|---|---|
| Standard | ASTM B521 |
| Material Grade | UNS R05400 |
| Product Type | Buttweld, Compression & Tube Fittings |
| Manufacturing Type | Seamless / Welded |
| Size Range | ½” to 24” (Custom sizes available) |
| Wall Thickness | SCH 10 to SCH XXS |
| End Connection | Buttweld / Compression |
| Fitting Types | Elbow, Tee, Reducer, Cap, Stub End |
| Surface Finish | Polished / Pickled |
| Form | Round |
| Density | 16.6 g/cm³ |
| Melting Point | ~3017°C |
| Standards Followed | ASTM B521, ANSI B16.9, ASME |
Chemical Composition of UNS R05400 Tantalum
| Element | Composition (%) |
|---|---|
| Tantalum (Ta) | ≥ 99.9 |
| Oxygen (O) | ≤ 0.015 |
| Nitrogen (N) | ≤ 0.01 |
| Hydrogen (H) | ≤ 0.0015 |
| Carbon (C) | ≤ 0.01 |
Mechanical Properties of UNS R05400 Tantalum
| Property | Value |
|---|---|
| Tensile Strength | ≥ 200 MPa |
| Yield Strength | ≥ 140 MPa |
| Elongation | ≥ 25% |
| Hardness | ≤ 100 HV |
| Modulus of Elasticity | ~186 GPa |
| Thermal Conductivity | 57 W/m·K |
| Electrical Resistivity | 13.5 µΩ·cm |
Applications of ASTM B521 R05400 Tantalum Fittings
- Chemical Processing: Used in acid handling systems and reactors
- Pharmaceutical Industry: Ensures contamination-free processing
- Heat Exchangers: Compatible with Tantalum R05400 Welded Heat Exchanger Tubes and UNS R05400 Regenerative Heat Exchanger Tubes.
- Semiconductor Industry: Maintains ultra-high purity
- Power Plants: Used in corrosive operating environments
Why Mechanical Properties Matter in Tantalum Fittings
These mechanical properties ensure that ASTM B521 R05400 Tantalum Buttweld Fittings perform reliably under demanding conditions:
- High tensile strength ensures structural integrity
- Excellent elongation prevents cracking
- Thermal stability supports heat exchanger applications
- Low hardness improves machinability
Request a Quote for ASTM B521 R05400 Tantalum Buttweld Fittings
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- Custom manufacturing
Frequently Asked Questions
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