Typical Applications X-ray tube components: cathode, anode, grid, spiral structure, heat sink
Circuit electrical components: vacuum tubes, microwave tubes, circuit breakers, relay blades, and switches Rotating equipment components: rectifier, motor components, brush springs, high-power electromagnetic windings
Other application areas: electronic gyroscopes, etc.
Chemical composition

Copper Cu	Margin	Wt%
Aluminum Al	0.15	Wt%

Note: Al exists in the form of Al₂O₃
Physical performance

Melting point	1083	° C
Density	8.9	g/cm3
Conductivity	92	% IACS
Thermal conductivity k	365	W/m/k
Thermal expansion coefficient	16.6	μ M/m/° C
Elastic modulus	130	Gpa

Mechanical properties

Status	Bar specification (mm)	Tensile strength (MPa)	Yield strength (MPa)	Elongation rate (%)	Hardness (HRB)
M3-390①	Φ 16~65	390-430	320-400	≥ 27	60~70
H5-400②	Φ 7-15	400~500	380-470	≥ 18	65~75
H6-400③	Φ 7-30	400~500	380-470	≥ 18	65~75