ASTM B111 C44300 Admiralty Brass Seamless Tube For Heat Exchanger and Condenser
ASTM B111 C44300 Seamless Tube refers to a type of seamless tubing made from C44300 alloy, also known as Admiralty Brass or ARS 443. This alloy is a copper-nickel-zinc alloy with added corrosion inhibitors like arsenic (As) or antimony (Sb). The tubes are manufactured in accordance with the ASTM B111 standard, which specifies the requirements for seamless copper and copper-alloy tubes for condensers and heat exchangers.
Advantages of ASTM B111 C44300 Seamless Tubes:
- Durability: High strength and resistance to wear and tear.
- Corrosion Resistance: Excellent performance in corrosive environments, particularly seawater.
- Thermal Efficiency: High thermal conductivity for efficient heat transfer.
- Low Maintenance: Resistant to biofouling, reducing maintenance costs in marine applications.
- Versatility: Can be used in a wide range of industries and applications.
Key Features:
| Feature | Description |
| Corrosion Resistance | Excellent resistance to seawater, chemicals, and biofouling. |
| Thermal Conductivity | High efficiency in heat transfer applications. |
| Mechanical Strength | High tensile and yield strength for durability in demanding environments. |
| Formability | Easily formed, bent, and welded for versatile applications. |
| Low Maintenance | Resists corrosion and biofouling, reducing maintenance costs. |
| Versatility | Suitable for marine, power generation, oil and gas, and chemical industries. |
In summary, the key feature of ASTM B111 C44300 seamless tubes is their superior corrosion resistance, especially in marine environments, combined with excellent thermal conductivity, mechanical strength, and versatility. These properties make them a preferred choice for critical applications in harsh and corrosive environments. Let me know if you need further details!
Material Composition of ASTM B111 C44300 (Admiralty Brass):
| Element | Composition (%) |
| Copper (Cu) | 70.0% - 73.0% |
| Zinc (Zn) | Remaining balance |
| Tin (Sn) | 0.9% - 1.2% |
| Arsenic (As) | 0.02% - 0.06% (corrosion inhibitor) |
| Lead (Pb) | 0.07% max |
| Iron (Fe) | 0.06% max |
Mechanical Properties of ASTM B111 C44300:
| Property | Value |
| Tensile Strength | 330 - 400 MPa (48,000 - 58,000 psi) |
| Yield Strength | 130 - 200 MPa (19,000 - 29,000 psi) |
| Elongation (in 2 inches) | 45% - 55% |
| Hardness (Typical) | 60 - 80 HRB (Rockwell B scale) |
Additional Notes:
Corrosion Resistance: Excellent resistance to seawater, brackish water, and chemical environments.
Thermal Conductivity: High thermal conductivity, making it ideal for heat exchangers and condensers.
Formability and Weldability: Easily formed, bent, and welded for versatile applications.
Biofouling Resistance: Resists the growth of marine organisms, reducing maintenance costs.
Applications of ASTM B111 C44300 Seamless Tubes:
1. Marine and Offshore Industries:
- Used in condensers, heat exchangers, and cooling systems for ships and offshore platforms.
- Ideal for desalination plants and seawater handling systems.Power Generation:
- Commonly used in power plant condensers and heat exchangers for efficient heat transfer.
2. Oil and Gas Industry:
- Suitable for cooling systems and heat exchangers in refineries and offshore oil rigs.
3. Chemical and Petrochemical Industries:
- Used in equipment handling corrosive chemicals, acids, and alkalis.
4. HVAC and Refrigeration:
- Used in air conditioning and refrigeration systems, especially in coastal areas.
5. Industrial Applications:
- Widely used in industrial heat exchangers, condensers, and water treatment plants.
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ASTM B111 C44300 Admiralty Brass Seamless Tube For Heat Exchanger and Condenser Images
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