ASTM B111 / ASME SB111 Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock
ASTM B111 and ASME SB111 cover seamless copper and copper-alloy condenser tubes and ferrule stock used in heat exchangers, condensers, evaporators, desalination plants, power stations, offshore platforms, marine cooling systems, and industrial heat transfer equipment.
ASTM B111 is the ASTM material specification, while ASME SB111 is the corresponding ASME Boiler and Pressure Vessel Code specification. The technical requirements, dimensions, mechanical properties, and chemical compositions are essentially identical.
Copper alloy tubes manufactured to ASTM B111 / ASME SB111 provide excellent thermal conductivity, corrosion resistance, seawater resistance, and long service life, making them one of the most widely specified materials for heat exchanger and condenser applications worldwide.
What is ASTM B111 / ASME SB111?
astm-b111 /ASME SB111 covers seamless tubes manufactured from copper and copper alloys for:
- Condenser Tubes
- Heat Exchanger Tubes
- Evaporator Tubes
- Ferrule Stock
- U-Bend Tubes
- Cooling Water Tubes
- Seawater Condenser Tubes
The specification is widely used in:
- Power Plants
- Petrochemical Plants
- Refineries
- Shipbuilding
- Offshore Platforms
- Desalination Plants
- HVAC Systems
- Marine Cooling Systems
ASTM B111 Tube Grades
The ASTM B111 / ASME SB111 specification includes the following commonly used copper alloy grades:
| UNS Number | Material |
|---|---|
| C12200 | Phosphorus Deoxidized Copper |
| C44300 | Admiralty Brass |
| C44400 | Admiralty Brass |
| C44500 | Admiralty Brass |
| C68700 | Aluminum Brass |
| C70400 | Copper Nickel |
| C70600 | 90/10 Copper Nickel |
| C71500 | 70/30 Copper Nickel |
ASTM B111 Copper Alloy Tube Grade Comparison
| Grade | Alloy Type | Main Application | Seawater Resistance |
|---|---|---|---|
| C12200 | DHP Copper | Fresh Water Heat Exchanger | ★★☆☆☆ |
| C44300 | Admiralty Brass | Cooling Water Condensers | ★★★☆☆ |
| C44400 | Admiralty Brass | Heat Exchangers | ★★★☆☆ |
| C68700 | Aluminum Brass | Seawater Condensers | ★★★★☆ |
| C70600 | CuNi 90/10 | Marine Piping Systems | ★★★★★ |
| C71500 | CuNi 70/30 | Offshore & Naval Applications | ★★★★★+ |
ASTM B111 Material Selection Guide
Choosing the correct ASTM B111 grade depends on operating conditions, cooling medium, and service environment.
Fresh Water Service
Recommended Material:
ASTM B111 C12200 Copper Tube
Applications:
- HVAC
- Fresh Water Heat Exchangers
- Refrigeration Equipment
Industrial Cooling Water Systems
Recommended Materials:
- ASTM B111 C44300
- ASTM B111 C44400
Applications:
- Cooling Water Condensers
- Power Plant Heat Exchangers
Seawater Condensers
Recommended Material:
ASTM B111 C68700 Aluminum Brass Tube
Applications:
- Surface Condensers
- Seawater Desalination Plants
- Marine Cooling Systems
Shipbuilding and Offshore Systems
Recommended Material:
ASTM B111 C70600 CuNi 90/10 Tube
Applications:
- Fire Water Systems
- Seawater Piping
- Ship Cooling Systems
Offshore Platforms and FPSO Systems
Recommended Material:
ASTM B111 C71500 CuNi 70/30 Tube
Applications:
- Offshore Oil & Gas
- FPSO Cooling Systems
- High Velocity Seawater Systems
Manufacturing Process
ASTM B111 seamless tubes are manufactured through:
- Copper Alloy Melting
- Billet Casting
- Hot Extrusion
- Cold Drawing
- Annealing
- Straightening
- Eddy Current Testing
- Hydrostatic Testing
- Dimensional Inspection
- Final Packaging
Inspection and Testing
All ASTM B111 / ASME SB111 tubes can be supplied with:
- Chemical Composition Analysis
- Mechanical Testing
- Eddy Current Testing
- Hydrostatic Testing
- PMI Testing
- Flattening Test
- Expansion Test
- Grain Size Examination
- Dimensional Inspection
Available Documentation:
- EN 10204 3.1
- EN 10204 3.2
- Mill Test Certificate (MTC)
- SGS Inspection
- BV Inspection
Applications of ASTM B111 Tubes
ASTM B111 copper alloy tubes are widely used in:
Power Generation
Marine & Shipbuilding
Offshore Platforms
Petrochemical Industry
Desalination Plants
ASTM-B111-Condensor-Tube
Advantages of ASTM B111 Copper Alloy Tubes
- Excellent Thermal Conductivity
- Superior Corrosion Resistance
- Excellent Seawater Resistance
- Good Mechanical Strength
- Long Service Life
- Anti-Biofouling Performance
- Easy Fabrication
- Excellent Weldability
- Low Maintenance Cost
Related ASTM B111 / ASME SB111 Tube Products
- ASTM B111 C12200 Copper Tube
- ASTM B111 C44300 Admiralty Brass Tube
- ASTM B111 C44400 Admiralty Brass Tube
- ASTM B111 C68700 Aluminum Brass Tube
- ASTM B111 C70600 CuNi 90/10 Tube
- ASTM B111 C71500 CuNi 70/30 Tube
- ASTM B111 U-Bend Tube
- ASTM B111 Ferrule Stock
- ASME SB111 Condenser Tube
- ASME SB111 Heat Exchanger Tube
FAQ
What is the difference between ASTM B111 and ASME SB111?
There is no significant technical difference. ASTM B111 is the ASTM specification, while ASME SB111 is adopted into the ASME Boiler and Pressure Vessel Code.
Which ASTM B111 grade is best for seawater service?
ASTM B111 C70600 Copper Nickel 90/10 and ASTM B111 C71500 Copper Nickel 70/30 offer the highest seawater corrosion resistance.
What is the difference between C68700 and C70600?
C68700 is Aluminum Brass and offers excellent heat transfer performance at lower cost. C70600 is Copper Nickel 90/10 and provides superior resistance to seawater corrosion and biofouling.
Can ASTM B111 tubes be supplied as U-bend tubes?
Yes. Straight tubes and U-bend tubes are available according to customer requirements.
What certifications are available?
EN 10204 3.1, EN 10204 3.2, SGS, BV, DNV, ABS, and LR inspection certificates can be provided.
What industries use ASTM B111 tubes?
Power generation, shipbuilding, offshore oil & gas, petrochemical, desalination, HVAC, and industrial heat exchanger manufacturing.