Internal Grooved Copper PIPE
Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of internal grooved copper pipe in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount internal grooved copper pipe for sale here from our factory. Customized orders are welcome.
With the increase of internal surface area, the thermal conductivity of inner grooved copper tubes is 20%~30% higher than that of smooth tubes. Therefore, inner grooved copper tubes are widely used in the air conditioning and refrigeration industry.
What Is Inner Grooved copper Tube?
Inner grooved tubes are a type of copper tube that is commonly used in air conditioning and refrigeration systems. This grooved copper tube has a series of grooves or ridges on the inside surface, which help to increase the heat transfer efficiency of the system. This is achieved by increasing the surface area of the tube and enhancing the turbulence of the refrigerant flowing through it.
Inner grooved copper pipe is typically produced using a specialized manufacturing process, which involves the use of advanced machinery and equipment. The copper tube production process begins with the selection of high-quality copper raw materials, which are melted and cast into billets. These billets are then extruded into copper tube blanks, which are further processed into finished tubes.
During the copper tube manufacturing process, the inner grooves are formed using a precision rolling process. The tube blanks are fed through a series of rollers, which press grooves into the inside surface of the tube. This process is carefully controlled to ensure the grooves are uniform and precise.
The resulting the product has a higher heat transfer coefficient than traditional smooth copper tubes, making it ideal for use in air conditioning and refrigeration systems as the inner grooved copper tube in ac. This increased efficiency can result in significant energy savings and improved system performance.
As one of the established and professional copper tube suppliers, GNEE Copper specializes in providing high-quality inner grooved copper tube to meet your specific needs.
Inner Grooved Copper Tubes Technical Specifications and Standards
- ASTM B280
- AS 1571
- JISH3300
- EN 12735
- ASTM B68
Inner grooved copper tubes comply with multiple international standards ensuring quality and performance consistency:
| Standard | Region | Key Specifications | Application Focus |
|---|---|---|---|
| GB/T 17791-2007 | China | Dimensions, mechanical properties, groove specifications | General HVAC applications |
| ASTM B280 | USA/North America | ACR (Air Conditioning & Refrigeration) tube specifications | Commercial refrigeration |
| JIS H3300 | Japan | Copper and copper alloy seamless pipes and tubes | High-efficiency systems |
| EN12735-2 | Europe | Copper and copper alloys for air conditioning and refrigeration | European market requirements |
Inner Grooved Copper Tube Grades
C10200, C12200,
C19400, C1201T,
C1200, C14200,
TP1, T2, C1220T,
TU2, C1020T
TU2, C1020T etc
TP2, C1100
Inner Grooved Copper Tube Product Specifications
|
Serial number |
Specification |
Outer diameterD/ mm |
Inner diameterd/ mm |
Bottom wall thickness TW/mm |
Tooth height Hf /mm |
Total wall thickness TWT/mm |
Tooth tip angleα |
Helix Angle β/° |
Number of threads n /strip |
|
1 |
φ7.00×0.27＋0.15-53-18 |
7.00 |
6.16 |
0.27 |
0.15 |
0.42 |
53 |
18 |
60 |
|
2 |
φ7.00×0.25＋0.18-40-18 |
7.00 |
6.14 |
0.25 |
0.18 |
0.43 |
40 |
18 |
50 |
|
3 |
φ7.00×0.25＋0.22-22-16 |
7.00 |
6.06 |
0.25 |
0.22 |
0.47 |
22 |
16 |
54 |
|
4 |
φ9.52×0.28＋0.15-53-18 |
9.52 |
8.66 |
0.28 |
0.15 |
0.43 |
53 |
18 |
60 |
|
5 |
φ9.52×0.30＋0.20-53-18 |
9.52 |
8.52 |
0.30 |
0.20 |
0.50 |
53 |
18 |
60 |
|
6 |
φ9.52×0.27＋0.16-30-18 |
9.52 |
8.66 |
0.27 |
0.16 |
0.43 |
30 |
18 |
70 |
|
Note: Calculation method for inner diameter: d=D -2 × TWT |
|||||||||
NNER GROOVED COPPER TUBE STANDARD:
ASTM B280, ASTM B68 standard, EN 12735 standard, AS 1571 standard, and JIS H3300 standard.
Temper: O60
INNER GROOVED COPPER TUBE PACKAGE:
packed individually by reel, 6-7 coils packed by one pallet
|
Standard size (Inch) |
|||||||
|
Standard |
Copper Alloy No. |
Chemical Composition |
Mechanical Properties |
||||
|
CU% |
P% |
Temper |
Tensile Strength (Mpa) |
Elongation(%) |
Grain Size (mm) |
||
|
ASTM B88 |
C11000 |
99.90 |
- |
60 |
200 |
- |
0.040 |
|
50 |
200 |
- |
0.025 |
||||
|
C12200 |
99.90 |
0.015~0.040 |
H58 |
250 |
- |
- |
|
|
JIS H3300 |
C1100 |
99.90 |
0.015~0.040 |
O |
205 |
40 |
- |
|
L |
245~325 |
- |
- |
||||
|
H |
265 |
- |
- |
||||
|
C1220 |
99.90 |
0.015~0.040 |
0 |
205 |
40 |
0.025~0.060 |
|
|
L |
205 |
40 |
0.040 |
||||
|
1/2H |
245~325 |
- |
- |
||||
|
H |
255 |
- |
- |
||||
|
ASTM B75 |
C11000 |
99.90 |
- |
60 |
205 |
- |
0.040 |
|
50 |
205 |
- |
0.040 |
||||
|
C12200 |
99.90 |
0.015~0.040 |
H58 |
250 |
- |
- |
|
|
H80 |
310 |
- |
- |
||||
|
EN 1057 |
|
99.90 |
0.015~0.040 |
R220 |
220 |
40 |
- |
|
R250 |
250 |
30 OR 20 |
- |
||||
|
R290 |
290 |
3 |
|
||||
Standard and detail of copper pipe/tube:
|
Standard |
GB/YB |
ASTM/CDA |
JIS |
DIN |
|
Grade |
T2 |
C1100 / 110 |
C1100 |
Ecu-58 |
|
TV1 |
C10200 / 102 |
C1020 |
OF-Cu |
|
|
H85 |
C23000 / 230 C23030 / 230 |
C2300 |
CuZn15 |
|
|
H80 |
C24000 / 240 |
C2400 |
CuZn20 |
|
|
H70 |
C26000 / 260 C26100 |
C2600 |
CuZn30 |
|
|
H68 |
C26200 / 260 |
C2680 |
CuZn33 |
|
|
H65 |
C26800 / 268 C27000 / 270 |
C2700 |
CuZn36 |
|
|
H62 |
C28000 / 280 |
C2800 |
CuZn4Pb2 |
|
|
H60 / H59 |
C28000 / 280 |
C2801 |
CuZn40 |
|
|
HPb60-2 |
C36000 |
C3713 / C3604 |
CuZn38 |
|
|
HPb59-1 |
C37800 |
C3710 |
CuZn40Pb |
|
|
Mechanical property |
Easily cutting and good electrical conductivity and anti-corrosion resistance and so on |
|||
|
Application |
Air conditioner, Refrigerator,oil cooler pipe,water tuber,water heater |
|||
INNER GROOVED COPPER TUBE TECHNICAL DATA
| O.D. | Bottom Wall Thickness Tw | Fin Groove Depth Hf | |||
| Inch | mm | Inch | mm | Inch | mm |
| 0.1575 | 4 | 0.008~ 0.012 | 0.20 ~ 0.30 | 0.004~ 0.006 | 0.10 ~ 0.15 |
| 0.1875 | 4.76 | 0.008~ 0.014 | 0.20 ~ 0.35 | 0.004~ 0.006 | 0.10 ~ 0.15 |
| 0.197 | 5 | 0.008~ 0.014 | 0.20 ~ 0.35 | 0.004~ 0.006 | 0.10 ~ 0.15 |
| 0.2363 | 6 | 0.008~ 0.014 | 0.20 ~ 0.35 | 0.004~ 0.008 | 0.10 ~ 0.20 |
| 0.25 | 6.35 | 0.008~ 0.014 | 0.20 ~ 0.35 | 0.004~ 0.008 | 0.10 ~ 0.20 |
| 0.275 | 7 | 0.01~ 0.016 | 0.20 ~ 0.41 | 0.004~ 0.010 | 0.10 ~ 0.25 |
| 0.3125 | 7.94 | 0.01~ 0.016 | 0.20 ~ 0.41 | 0.004~ 0.010 | 0.10 ~ 0.25 |
| 0.375 | 9.52 | 0.01~ 0.016 | 0.20 ~ 0.46 | 0.004~ 0.012 | 0.10 ~ 0.30 |
Inner Grooved Copper Tube Application Fields
As one of copper tube types, internally grooved copper tubes are widely used in various applications where efficient heat transfer is critical.
Some of the primary application fields for inner grooved copper tubes are:
Air Conditioner Condenser
Copper tube inner grooved is commonly used in air conditioner condensers due to its excellent heat transfer properties. The grooves on the inner surface of the tube increase the turbulence of the refrigerant flowing through it, which enhances the heat transfer coefficient and improves the efficiency of the system.
Air Conditioner Evaporator
Inner grooved tube is also used in air conditioner evaporators, where it helps to improve the efficiency of the heat transfer process by increasing the surface area of the tube and enhancing the turbulence of the fluid flowing through it. This results in improved cooling performance and energy efficiency of the air conditioning system.
Water Heater
Inner grooved copper tubes are used in water heaters to enhance the heat transfer efficiency and reduce energy consumption. The grooves on the inner surface of the tube increase the contact area between the heat transfer fluid and the tube wall, resulting in improved heat transfer performance and faster heating of the water.
Car Air Conditioner
Inner grooved copper tubes are also commonly used in car air conditioning systems, where they help to enhance the cooling performance and energy efficiency of the system. The grooves on the inner surface of the tube increase the surface area of the tube, improving the heat transfer efficiency and reducing the amount of energy required to cool the air inside the car.
Aluminum vs. Copper Inner Grooved Tubes
| Category | Aluminum Inner Grooved Tubes | Copper Inner Grooved Tubes |
| Thermal Conductivity | ~237 W/m·K; optimized groove design narrows the gap with copper in most scenarios | ~398 W/m·K; better for extreme heat transfer needs |
| Material Cost | Lower and more stable; overall cost reduced by 40–60% | High and volatile material cost |
| Weight | 1/3 the weight of copper; ideal for lightweight systems | Heavy; adds load, unsuitable for mobile or wall-mounted systems |
| Processing Efficiency | Easy to form, bend, and automate | Harder to process; needs specialized equipment |
| Corrosion Resistance | Good with anodizing or zinc coating; durable in industrial/civil settings | Naturally strong corrosion resistance; suitable for extreme environments |
1. Material Properties
Aluminum Tubes:
Lightweight: Ideal for applications where weight is a concern, such as in transportation or portable equipment.
Corrosion Resistance: Naturally resists oxidation, making it suitable for outdoor or humid environments.
Cost-Effective: Generally cheaper than copper, offering a budget-friendly option.
Thermal Conductivity: Lower than copper, which may require larger surface areas for similar heat transfer performance.
Copper Tubes:
High Thermal Conductivity: More efficient for heat transfer, often used in high-performance HVAC and refrigeration systems.
Durability: Resistant to corrosion and high temperatures, ensuring a longer lifespan.
Higher Cost: More expensive due to material and manufacturing complexity.
2. Applications
Aluminum Tubes:
Best for lightweight, corrosion-resistant applications like air conditioning, automotive radiators, and solar thermal systems.
Example: AL3003 aluminum tube (17.80元, 50m length) is used in HVAC and refrigeration.
Copper Tubes:
Preferred for high-efficiency heat exchangers, refrigeration, and industrial cooling systems.
Example: TP2 red copper pipe (65.00元, 8770mm length) is used in building decoration and heat exchangers.
3. Standards
Aluminum Tubes:
GB/T 6893-2022: Covers cold-drawn (rolled) aluminum tubes for seamless and bridge applications.
ASTM B210: Specifies seamless aluminum tubes for heat exchangers.
Copper Tubes:
GB/T 20928-2020: Applies to seamless inner-grooved copper tubes for air conditioning and refrigeration.
ASTM B280-2003: Covers seamless copper tubes for HVAC and refrigeration.
4. Cost Considerations
Aluminum Tubes: More affordable, with prices starting around 17.80元 for 50m.
Copper Tubes: Higher cost, with prices starting around 48.00元 for 7840mm.
While copper tubes are still used in extreme conditions, aluminum inner grooved tubes have become the mainstream choice for most heat transfer systems due to their balanced performance, cost efficiency, and lightweight advantage.
GNEE Copper is a leading Inner Grooved Copper Tube manufacturer and supplier.
The inner grooved copper tube refers to the internal thread TP2 copper tube with a smooth outer surface and a certain number of inner threads.
Due to the increase in the internal surface area of the inner grooved copper tube, its thermal conductivity is 20 to 30 percent higher than that of the light pipe. With the implementation of the world's energy shortage and domestic energy efficiency than the air conditioning access system, inner grooved copper tubes will be widely used in the air conditioning refrigeration industry.
If you want to know more about our Inner Grooved Copper Tube price please feel free to contact us, we will reply you within 24 hours.
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