DENSITY
9 kg/m³
MELTING POINT
1,083°C
TENSILE STRENGTH
220 MPa
MAX SERVICE TEMP
200°C
OFHC Copper is a copper alloy used in aerospace applications. Melting point: 1,083 °C. Tensile strength: 220 MPa.
ABOUT OFHC COPPER
Oxygen-Free High Conductivity Copper is a 99.99% pure copper grade with exceptional thermal and electrical conductivity. In aerospace, it is the primary material for regeneratively cooled rocket engine thrust chambers and nozzles, where its thermal conductivity is critical for transferring heat from combustion gases to coolant channels.
CHEMICAL COMPOSITION
Cu 99.99%, O2 < 0.001%
ROCKET & SPACECRAFT APPLICATIONS
●Rocket thrust chamber liners
●Regenerative cooling channels
●Electrical bus bars
●Waveguides
●Plasma facing components
MANUFACTURING PROPERTIES
CORROSION RESISTANCE
Fair
WELDABILITY
Good
MACHINABILITY
Good
COST RATING
Moderate
MECHANICAL PROPERTIES
| DENSITY | 9 kg/m³ |
| TENSILE STRENGTH | 220 MPa |
| YIELD STRENGTH | 69 MPa |
| STRENGTH-TO-WEIGHT | 24608.5 kN·m/kg |
THERMAL PROPERTIES
| MELTING POINT | 1,083 °C |
| MAX SERVICE TEMPERATURE | 200 °C |
| THERMAL CONDUCTIVITY | 391 W/m·K |
| THERMAL EXPANSION | 17.0 µm/m·K |
COMPLETE SPECIFICATIONS
| CATEGORY | Copper Alloy |
| DESIGNATIONS | UNS C10100, ASTM B170, CDA 101 |
| MANUFACTURER | Various (Aurubis, KME, Mitsubishi) |
| DENSITY | 9 kg/m³ |
| TENSILE STRENGTH | 220 MPa |
| YIELD STRENGTH | 69 MPa |
| MELTING POINT | 1,083 °C |
| MAX SERVICE TEMP | 200 °C |
| THERMAL CONDUCTIVITY | 391 W/m·K |
| THERMAL EXPANSION | 17.0 µm/m·K |
| CORROSION RESISTANCE | Fair |
| WELDABILITY | Good |
| MACHINABILITY | Good |
| COST RATING | Moderate |
