TP1/C12000 Heating Seamless Tube
Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of tp1/c12000 heating seamless tube in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount tp1/c12000 heating seamless tube for sale here from our factory. Customized orders are welcome.
What is TP1/C12000 copper tubing?
TP1/C12000 copper tubing is a high-grade phosphorus-deoxidized copper used for precision applications where performance, reliability, and purity are essential. It represents a specific material standard across major global systems:
TP1 is the Chinese designation (GB standard).
C12000 is the equivalent U.S./ASTM designation.
Get TP1 Copper Tube Spec Sheet
C12000 (TP1) Copper - Typical Chemical, Mechanical & Physical Properties
| Property Category | Specification / Typical Value | Standard / Condition | Notes |
|---|---|---|---|
| Chemical Composition | ASTM B | ||
| Copper (Cu) | ≥ 99.90% | Minimum value. | |
| Phosphorus (P) | 0.004 – 0.012% | Defines TP1 (Low residual P). | |
| Mechanical Properties | |||
| Tensile Strength | Annealed (O60): ≥ 195 MPa Hard Drawn (H80): 345 – 415 MPa |
ASTM B88 / B280 | Varies with temper and size. |
| Yield Strength (0.5% Ext.) | Annealed: ~ 45 MPa Hard Drawn: ≥ 310 MPa |
ASTM B88 / B280 | |
| Elongation (% in 50 mm) | Annealed: ≥ 40% Hard Drawn: ≥ 10% |
ASTM B88 / B280 | |
| Hardness (Rockwell F) | Annealed: ~ 45 HRF Hard Drawn: ~ 85 HRF |
Approximate values. | |
| Physical Properties | |||
| Density | 8.94 g/cm³ (0.323 lb/in³) | at 20°C | |
| Melting Point | ~1083°C (1981°F) | ||
| Thermal Conductivity | ~ 391 W/(m·K) | at 20°C | Approx. 100% IACS. Slightly higher than C12200. |
| Electrical Conductivity | ~ 101% IACS | at 20°C | Reference: 100% IACS = 58.0 MS/m. |
| Coefficient of Thermal Expansion | 17.0 x 10⁻⁶ /K | 20–300°C | |
| Key Application Features | |||
| Weldability/Brazability | Excellent | Phosphorus acts as a deoxidizer. | |
| Corrosion Resistance | Excellent (Atmospheric, Water) | Good resistance to stress corrosion cracking. | |
| Formability | Excellent (especially in annealed temper) | Suitable for bending, flaring, expanding. |
Why use TP1/C12000 seamless copper tubing in the heating system?
TP1/C12000 seamless copper tubes are an ideal choice for heating systems, primarily because they possess thermal conductivity close to that of pure copper, significantly enhancing heat transfer efficiency and reducing energy consumption. They also offer excellent corrosion resistance, enabling long-term endurance against hot water, steam, and scale erosion. Their superior welding and workability ensure installation reliability and system sealing integrity. This material complies with international standards such as ASTM B88 and is suitable for various heating applications, including underfloor heating, HVAC systems, and boilers, providing a reliable and cost-effective solution over its lifecycle.
Inquire about TP1 Tube Pricing & Samples
Comparison with Common Alternatives
| Material | Key Disadvantages for Heating |
|---|---|
| Carbon Steel Pipes | Prone to rust and corrosion, requires coatings/passivation, heavier, shorter lifespan. |
| Stainless Steel Pipes | Higher cost, more challenging to join (often requiring TIG welding), potential for crevice corrosion. |
| Plastic/PEX Pipes | Lower thermal conductivity (reducing system efficiency), temperature and pressure limitations, potential for oxygen diffusion degrading system components. |
FAQ
1. What is C12000 copper?
C12000 is a phosphorus-deoxidized copper alloy with a low residual phosphorus content (0.004–0.012%). It is known for its high thermal and electrical conductivity, very close to that of pure copper. It is commonly supplied as seamless tubes and is the ASTM standard equivalent to China's TP1 material.
2. What is the difference between C12000 and C12200?
The main difference is phosphorus content. C12000 has lower phosphorus (0.004–0.012%), giving it slightly higher conductivity. C12200 has higher phosphorus (0.015–0.040%), making it the industry standard for general plumbing and refrigeration due to its excellent brazeability and cost-effectiveness. C12000 is preferred for performance-critical applications like high-efficiency heat exchangers.
3. Is C12000 suitable for medical gas pipelines?
Yes, absolutely. C12000 is widely used in medical gas pipelines (oxygen, nitrous oxide, etc.) because of its high purity, antimicrobial properties, excellent corrosion resistance (especially to high-pressure oxygen), and ability to form leak-proof brazed joints. It meets strict international medical gas standards such as ISO 7396-1 and NFPA 99.
4. What standards does C12000 copper tube comply with?
Answer: C12000 tubes are manufactured to key international standards, including:
ASTM B280 for air conditioning and refrigeration.
ASTM B88 for water and gas plumbing.
EN 12735-1 for European refrigeration systems.
GB/T 17791 for Chinese refrigeration standards.
5. Can C12000 be used for heating systems?
Answer: Yes. C12000 is an excellent choice for heating systems (e.g., radiant floor heating, hydronic systems, boilers) due to its high thermal conductivity for energy efficiency, corrosion resistance to hot water and steam, and reliable brazeability for leak-free installations. It is often supplied under standards like ASTM B88 (Type L or K) for heating applications.
Our factory
Our factory is an enterprise dedicated to the research, development, and manufacturing of high-performance copper tubes. We have established a vertically integrated supply chain spanning from raw material refining to precision forming. Our core products, such as TP1/C12000 phosphorus-deoxidized copper tubes, comply with international standards including ASTM B280, EN 12735-1, and GB/T 17791. Through a fully digitalized end-to-end quality control system-encompassing spectral analysis, online eddy current testing, and AI-driven dimensional monitoring-we ensure that our products meet zero-defect standards in thermal conductivity, corrosion resistance, and dimensional accuracy.
Get Fast Quote & Logistics Plan
Hot Tags: tp1/c12000 heating seamless tube, China tp1/c12000 heating seamless tube manufacturers, suppliers, factory, copper, C22000 type l copper, C28000 soft copper tubing, C22000 copper pipe, C26000 copper pipe, type l C23000 copper, 15mm copper pipe
Previous
C12200 Copper TubeYou Might Also Like
Send Inquiry