TP1/C12000 Medical Gas Pipeline
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of tp1/c12000 medical gas pipeline in China, also supports customized service. Welcome to buy discount tp1/c12000 medical gas pipeline for sale here from our factory. Quality products and reasonable price are available.
What is TP1/C12000 copper tubing?
TP1 copper tubes, with their specialized tubular structure, are extensively used in heat exchangers and air conditioning systems. Their exceptional thermal conductivity effectively enhances system operational efficiency. Moreover, the corrosion resistance of TP1 copper tubes ensures long-term stable performance and reduces maintenance costs.
Compared to other types of copper tubes, such as T2 copper tubes, TP1 copper tubes demonstrate significant advantages in weldability and corrosion resistance. This is primarily attributed to their unique phosphorus deoxidation treatment process, which not only maintains high electrical conductivity but also greatly improves welding performance and corrosion resistance.
In summary, TP1 is a high-quality copper alloy material, and TP1 copper tubes find broad applications across various fields, including construction, shipbuilding, automotive, and medical industries. Whether evaluated from a performance or cost perspective, TP1 copper tubes serve as an ideal choice for numerous engineering projects.
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 are TP1/C12000 copper tubes used for medical gases?
TP1/C12000 copper tubes are the mandated choice for medical gas pipelines due to their unparalleled combination of safety and performance. Their high purity and phosphorus deoxidation ensure zero contamination of gases like oxygen, while their inherent antimicrobial properties inhibit pathogen growth. The material's exceptional corrosion resistance, especially against high-pressure oxygen, eliminates long-term degradation risks. Seamless construction and superior brazability guarantee leak-proof, permanent joints that meet the zero-tolerance leakage standards of medical codes. Ultimately, TP1/C12000 provides the critical reliability required for life-supporting medical gas delivery systems.
Standards & Sizes We Supply
| Standard System | Standard Number | Title / Application | Typical Size Range |
|---|---|---|---|
| ASTM (U.S.) | ASTM B280 | Seamless Copper Tube for Air Conditioning and Refrigeration | OD: 6.35 mm (1/4") – 19.05 mm (3/4") Wall: 0.51 mm – 1.02 mm (ACR series) Temper: Annealed (soft) |
| ASTM B88 | Seamless Copper Water Tube | OD: 15 mm (1/2") – 54 mm (2") Wall: Type K (thick), L (standard), M (thin) Temper: Half-hard / Hard |
|
| ASTM B75 | Seamless Copper Tube for General Use | OD: 3 mm – 300 mm Wall: 0.3 mm – 12.0 mm Temper: Soft / Half-hard / Hard |
|
| EN (Europe) | EN 12735-1 | Seamless Round Copper Tubes for ACR – Part 1: Piping Systems | OD: 6 mm – 28 mm Wall: ACR series (e.g., 0.8 mm for 12 mm OD) Temper: Annealed or hard-drawn |
| EN 1057 | Seamless, Round Copper Tubes for Water and Gas in Sanitary and Heating | OD: 15 mm – 108 mm Wall: Series 1–3 (e.g., 1.0 mm for 15 mm OD) Temper: Hard or half-hard |
Get TP1 Copper Tube Spec Sheet
Comparison of C12000 with Other Common Copper Alloys
| Grade (Standard) | Type / Common Name | Key Composition Difference | Core Performance Characteristics |
|---|---|---|---|
| C12000 (ASTM) TP1 (GB) |
Phosphorus-Deoxidized Copper Low-Residual P |
P: 0.004–0.012% Cu ≥ 99.90% |
• Highest conductivity among deoxidized coppers. • Excellent corrosion resistance. • Good formability & brazeability. |
| C12200 (ASTM) TP2 (GB) |
Phosphorus-Deoxidized Copper Standard P |
P: 0.015–0.040% Cu ≥ 99.9% |
• Excellent brazeability (industry standard). • Very good corrosion resistance. • Slightly lower conductivity than C12000. |
| C11000 (ASTM) T2 (GB) |
Electrolytic Tough Pitch Copper (ETP) | O: 0.02–0.04% Cu ≥ 99.90% |
• Very high conductivity (∼101% IACS). • Prone to "hydrogen embrittlement" in reducing atmospheres. • Lower weldability in certain conditions. |
| C10200 (ASTM) TU1 (GB) |
Oxygen-Free Copper (OFC) | O: ≤ 0.001% Cu ≥ 99.95% |
• Exceptional conductivity & ductility. • No hydrogen embrittlement risk. • High cost. |
| C21000 | Gilding Metal (95% Cu, 5% Zn) | Cu 94–96%, Zn balance | • Good corrosion resistance & strength. • Golden color. • Lower conductivity than pure Cu. |
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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.
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