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| Customization: | Available |
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| Type: | Round |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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EN12735 EN12449 EN1057 Nickle Alloy Pipe for Heat Exchanger Production C10100/C10200/C10300
1. Product Definition and Application
Product: Seamless Pipe for Heat Exchangers.
Material: Copper-Nickel Alloys (CuNi). While primarily copper-based, these alloys with significant nickel content (e.g., CuNi10, CuNi30) are renowned for their excellent corrosion resistance and are often categorized under "nickel alloys" in industrial contexts.
Specific Material Grades: C10100, C10200, C10300. These are low-nickel or "pure copper" grades that form the base for many copper-nickel alloys.
Primary Application: Manufacture of various types of Heat Exchangers, including:
Shell and Tube Heat Exchangers
Plate Heat Exchangers (for connecting pipes)
Seawater Coolers and Condensers
Power Plant Condensers
2. Governing European (EN) Standards
The pipe manufacturing and material quality are defined by the following key EN standards, which cover everything from base material to final testing.
Table 1: Key EN Standards and Their Scope
| EN Standard | Standard Title / Focus | Key Parameters Defined |
|---|---|---|
| EN 12449 | Copper and copper alloys - Seamless, round tubes for general purposes | This is the core manufacturing standard. It defines the dimensional tolerances (outer diameter, wall thickness), mechanical properties, and standard testing for seamless copper-alloy tubes. |
| EN 1057 | Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications | Specifies requirements for tubes used in plumbing and heating systems. Its stringent requirements for pressure holding and cleanliness make it suitable for certain heat exchanger applications, especially those involving fresh water. |
| EN 12735 | Copper and copper alloys - Seamless, round copper tubes for air conditioning and refrigeration | The most critical standard for this application. It defines the specific requirements for tubes used in heat transfer applications, including cleanliness, leak tests, and pressure requirements essential for refrigerant and process fluid containment. |
3. Material Grades and Their Characteristics
The specified copper grades (C10100, C10200, C10300) represent high-purity copper, which is the primary base metal for copper-nickel alloys like CuNi10Fe1Mn and CuNi30Mn1Fe used in heat exchangers.
Table 2: Material Grade Specifications
| Material Grade (Copper) | Common Name / Alloy Base | Purity (%) | Key Characteristics in Heat Exchangers |
|---|---|---|---|
| C10100 | Oxygen-Free Electronic (OFE) Copper | ≥ 99.99% Cu | Excellent thermal conductivity. High ductility and resistance to hydrogen embrittlement. Used as a high-purity base for alloying. |
| C10200 | Oxygen-Free Copper (OF) | ≥ 99.95% Cu | Very high thermal conductivity. Superior resistance to reducing atmospheres. Also used as a base for high-performance alloys. |
| C10300 | -- | -- | A specific, high-purity copper grade with properties similar to C10200, tailored for certain manufacturing processe |
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