Engineered metals
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AlZn5.5MgCu
PERUNAL

Chemical composition

Cu1.2-2

Zn5.1-6.1

Fe0.5 max

Mn0.3 max

Si0.4 max

AlBAL

Mg2.1-2.9

Ti0.2 max

Cr0.18-0.28

Other0.15 max

*Unified Numbering System (USA)

Physical properties		Units
Density (20°C)	2,81	Kg/dm³
Melting point	475-635	°C
Longitudinal elasticity modulus		GPa
Thermal conductivity		W/m·K
Electrical conductivity	17-20	m/Ω·mm²
Electrical resistivity	0,052	µΩ·m
Linear expansion Coefficient	23,5	10⁻⁶·K⁻¹
IACS (International Annealed Copper Standard)	33	%
Poisson's ratio

1 poor | 2 average | 3 good | 4 very good | - no info

Heat Treatment / Hardening
Annealing temperature	400	°C
Temperature for stress relief treatment		°C
Hardening temperature	135	°C
Hardening treatment time	12-16	hour(s)

mise en solution à 465+/-5°C (four continu) et Durcissement à 135 +/- 3°C 12-16H (voir fiche technique broncesval.com)

AlZn5.5MgCu
Possible hardness range	-	HV
Possible Rm range	-	MPa

Grade	According to standard	Hardness (HV: Vickers) min - max	Rm (MPa) min - max	Rp 0.2 (MPa) min - max	Elongation (%) where L0 = 100mm min - max	L0	Grain size (µm) min - max

Do not hesitate to ask us for your specific grades and parameters. We can make productions according to your needs.