C12100 Copper Pipe
C12100 is a deoxidized copper alloy containing a controlled amount of phosphorus.
The phosphorus acts as a deoxidizer, removing oxygen during melting and improving the copper’s corrosion resistance and weldability while maintaining good electrical and thermal conductivity.
🧾 C12100 Copper (Phosphorus Deoxidized Copper – High Residual Phosphorus)
C12100 is a deoxidized copper alloy containing a controlled amount of phosphorus.
The phosphorus acts as a deoxidizer, removing oxygen during melting and improving the copper’s corrosion resistance and weldability while maintaining good electrical and thermal conductivity.
It is often known as DHP Copper (Deoxidized High Phosphorus Copper) or Phosphorized Copper.
| Property | Description |
|---|---|
| UNS Designation | C12100 |
| Common Name | Deoxidized High Phosphorus Copper (DHP) |
| Standards | ASTM B68, B75, B111, B42, JIS H3300 |
| Nominal Composition | Cu with 0.015–0.040% P |
| Forms Available | Tubes, pipes, sheets, rods |
| Typical Applications | Heat exchangers, condensers, refrigeration tubing, solar collectors, plumbing, and general engineering applications |
| Features | Excellent corrosion resistance, good formability, good weldability, moderate strength, non-susceptible to hydrogen embrittlement |
⚙️ Chemical Composition
| Element | Content (%) |
|---|---|
| Copper (Cu + Ag) | ≥ 99.90 |
| Phosphorus (P) | 0.015 – 0.040 |
| Oxygen (O) | ≤ 0.001 |
| Impurities (Total) | ≤ 0.10 |
🧠 Mechanical Properties (Typical for Annealed Temper)
| Property | Typical Value | Unit |
|---|---|---|
| Tensile Strength | 210 – 275 | MPa |
| Yield Strength (0.2% offset) | 65 – 120 | MPa |
| Elongation | 40 – 50 | % |
| Hardness (HV) | 40 – 60 | HV |
| Density | 8.94 | g/cm³ |
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