Atomfair CuCrZr Copper Alloy Powder

CuCrZr alloy is a typical age-hardening copper alloy, featuring good electrical and thermal conductivity, high strength and excellent wear resistance. Suitable for SLM, it meets high-strength, high-conductivity needs, used in rocket engine chambers, IC lead frames, etc.

Description

Age-hardening copper alloy powder with excellent electrical/thermal conductivity and wear resistance.

Chemical Composition (wt.%)
Cu Balance
Cr 0.5-1.0
Zr 0.02-0.2
Fe ≤0.15
Si ≤0.1
O ≤0.1
N ≤0.05
Physical Properties
D10 (μm) ≥15
D50 (μm) 30-40
D90 (μm) ≤60
Sphericity ≥0.90
Apparent Density (g/cm³) ≥4.4
Tapped Density (g/cm³) ≥5.2
Flowability (s/50g) ≤22
Mechanical & Electrical Properties
Condition Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Conductivity (IACS)
Heat-treated ≥350 ≥250 ≥30.0 ≥85%
Thermal Conductivity (W/(m·K))
Room Temp 100°C
≥280 ≥300

Applications: Rocket engine chambers, IC lead frames, induction coils, continuous casting molds.

Processing Method: SLM.