Copper Tube C12200 | ASTM B75 Seamless Copper Tube | JIS H3300 C1220T Copper Pipe & Tube
Copper Tube C12200, also known as phosphorus-deoxidized copper tube (Cu-DHP), is one of the most widely used copper tubing materials for heat transfer, refrigeration, condensers, evaporators, pressure piping, and industrial process systems. Manufactured according to ASTM B75, ASTM B111, ASME SB111, and JIS H3300 C1220T, C12200 copper tubes offer excellent thermal conductivity, corrosion resistance, weldability, and long service life.
We are a professional supplier and exporter of ASTM B75 C12200 seamless copper tubes, ASTM B111 condenser tubes, ASME SB111 heat exchanger tubes, and JIS H3300 C1220T copper pipes for power plants, sugar mills, marine applications, HVAC systems, and industrial heat exchangers.
What is C12200 Copper Tube?
UNS C12200 is a phosphorus-deoxidized high residual phosphorus copper alloy (Cu-DHP) containing a minimum copper content of 99.9%. The addition of phosphorus improves weldability and eliminates hydrogen embrittlement while maintaining excellent thermal and electrical conductivity.
Because of its outstanding corrosion resistance and heat transfer performance, C12200 is widely used in:
- Condensers
- Evaporators
- Heat exchangers
- Refrigeration systems
- Air conditioning systems
- Plumbing systems
- Steam and process piping
- Sugar refinery equipment
Equivalent Standards
| Standard | Grade |
|---|---|
| ASTM | C12200 |
| ASME | SB111 C12200 |
| JIS | C1220T |
| ISO | Cu-DHP |
| BS | C107 |
| EN | CW024A |
| UNS | C12200 |
ASTM B75 Seamless Copper Tube Specification
| Item | Description |
|---|---|
| Standard | ASTM B75 / ASTM B75M |
| Material | C12200 Copper |
| UNS Number | C12200 |
| Manufacturing | Seamless Cold Drawn |
| Shape | Round, Square, Rectangular |
| OD Range | 6 mm – 300 mm |
| Wall Thickness | 0.5 mm – 20 mm |
| Length | Random, Fixed, U-Bend |
| Delivery Condition | Annealed, Light Drawn, Hard Drawn |
ASTM B75 Standard Overview
ASTM B75 covers seamless copper tubes manufactured from:
- C10100 Oxygen-Free Copper
- C10200 Oxygen-Free Copper
- C10300 Extra Low Phosphorus Copper
- C10800 Low Phosphorus Copper
- C12000 Deoxidized Copper
- C12200 Phosphorus-Deoxidized Copper
The standard specifies:
- Chemical composition
- Mechanical properties
- Dimensional tolerances
- Grain size requirements
- Hardness requirements
- Hydrostatic testing
- Eddy current testing
- Pneumatic testing
making ASTM B75 one of the most comprehensive standards for industrial copper tubing.
Chemical Composition of C12200 Copper Tube
| Element | Content (%) |
|---|---|
| Copper (Cu) | ≥ 99.90 |
| Phosphorus (P) | 0.015 – 0.040 |
The phosphorus addition improves resistance to hydrogen embrittlement and enhances brazing and welding performance.
Mechanical Properties of C12200 Copper Tube
| Property | Metric |
|---|---|
| Tensile Strength | 221 – 379 MPa |
| Yield Strength | 69 – 345 MPa |
| Density | 8.94 g/cm³ |
| Thermal Conductivity | 339 W/m·K |
| Melting Point | 1083°C |
| Coefficient of Thermal Expansion | 17.7 ×10⁻⁶ /°C |
These properties make C12200 one of the preferred materials for heat transfer applications.
Available Tempers
| Temper | Description |
|---|---|
| O61 | Annealed |
| H55 | Light Drawn |
| H80 | Hard Drawn |
O61 Annealed
- Excellent ductility
- Easy bending and forming
- Ideal for refrigeration and HVAC systems
H55 Light Drawn
- Balanced strength and formability
- Common for industrial piping
H80 Hard Drawn
- Maximum strength
- Suitable for straight piping systems
Why Choose C12200 Copper Tubes?
Excellent Heat Transfer
Copper has one of the highest thermal conductivity values among engineering metals, enabling efficient heat exchange.
Outstanding Corrosion Resistance
C12200 performs exceptionally well in:
- Fresh water
- Cooling water
- Steam systems
- Industrial atmospheres
Superior Weldability
The phosphorus-deoxidized composition eliminates susceptibility to hydrogen embrittlement during welding and brazing.
Long Service Life
Copper tubing systems often exceed decades of service with minimal maintenance.
Testing and Inspection
All ASTM B75 C12200 copper tubes can be supplied with:
- Chemical Analysis
- Mechanical Testing
- Eddy Current Testing (ET)
- Hydrostatic Testing
- Pneumatic Testing
- Grain Size Examination
- Hardness Testing
- Dimensional Inspection
- EN 10204 3.1 Mill Test Certificate
Applications of C12200 Copper Tubes
Heat Exchangers
Widely used in shell and tube heat exchangers because of excellent thermal conductivity.
Condensers & Evaporators
Preferred material for power generation, sugar processing, and chemical industries.
HVAC & Refrigeration
Used extensively in:
- Air conditioning systems
- Refrigeration piping
- Chillers
- Cooling systems
Sugar Mills
C12200 copper tubes are commonly used for:
- Juice heaters
- Evaporators
- Condensers
Marine & Offshore
Suitable for seawater cooling systems and marine heat exchangers.
C12200 vs C12000 Copper Tube
| Property | C12200 | C12000 |
|---|---|---|
| Phosphorus Content | Higher | Lower |
| Weldability | Excellent | Good |
| Hydrogen Embrittlement Resistance | Excellent | Moderate |
| Heat Transfer | Excellent | Excellent |
| Heat Exchanger Service | Preferred | Common |
For welded piping and heat exchanger applications, C12200 is generally preferred.
Packaging
- Wooden Cases
- Plywood Boxes
- Export Seaworthy Packing
- Plastic End Caps Protection
- Bundle Packing
How to Order ASTM B75 C12200 Copper Tubes
Example:
Product: Seamless Copper Tube
Standard: ASTM B75 / ASME SB111
Material: UNS C12200
Size: 25.4 mm OD × 2.0 mm WT
Length: 6000 mm
Temper: O61 Annealed
Quantity: 500 PCS
Certificate: EN 10204 3.1
Related Products
- ASTM B111 C12200 Condenser Tubes
- ASME SB111 Heat Exchanger Tubes
- JIS H3300 C1220T Copper Tubes
- ASTM B75 C12200 Seamless Tubes
- Copper Nickel 90/10 Tubes
- Copper Nickel 70/30 Tube
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FAQ
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What is C12200 copper tube used for?
C12200 copper tubes are widely used in heat exchangers, condensers, evaporators, HVAC systems, refrigeration equipment, and industrial process piping due to their excellent thermal conductivity and corrosion resistance.
What is the equivalent of JIS H3300 C1220T?
JIS H3300 C1220T is equivalent to UNS C12200, ISO Cu-DHP, EN CW024A, and BS C107 phosphorus-deoxidized copper.
Is ASTM B75 C12200 suitable for heat exchangers?
Yes. ASTM B75 C12200 seamless copper tubes are one of the most common materials for heat exchangers, condensers, and evaporators because of their superior heat transfer performance.
