EN 12844 Grade ZP8 – Comprehensive Material Specifications

The following is valid for the material ZP8 with the material number ZP0810: according to DIN EN 12844, the alternating stress fatigue strength (time strength) is 100 N/mm² with 100 million reversals of stress the creep life (0.5 per cent, 3000 h) is 160 N/mm². The temperature coefficient of the length is 23 µm/m*K.

Properties

General

Property	Temperature	Value
Density	20.0 °C	6.3 g/cm³

Mechanical

Property	Temperature	Value	Comment
Bending Fatigue Strength	23.0 °C	100 MPa
Elastic modulus	20.0 °C	86 GPa
Elongation A50	20.0 °C	8 %
	23.0 °C	8 %

Hardness, Brinell	20.0 °C	100 [-]
	23.0 °C	100 [-]

Poisson's ratio	23.0 °C	0.3 [-]	Typical for Zinc Aluminium
Tensile strength	20.0 °C	937 MPa
	23.0 °C	370 MPa

Yield strength Rp0.2	20.0 °C	220 MPa
	23.0 °C	220 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	23.0 °C	2.2E-5 - 2.8E-5 1/K	Typical for Zinc Aluminium
Melting point		375 - 485 °C	Typical for Zinc Aluminium
Specific heat capacity	23.0 °C	393 - 525 J/(kg·K)	Typical for Zinc Aluminium
Thermal conductivity	20.0 °C	115 W/(m·K)

Electrical

Property	Temperature	Value
Electrical conductivity	20.0 °C	1.62E+7 S/m
Electrical resistivity	20.0 °C	6.2E-8 Ω·m

Chemical properties

Property	Value
Aluminium	8 - 8.8 %
Cadmium	6E-3 %
Copper	0.8 - 1.3 %
Iron	0.06 %
Lead	6E-3 %
Magnesium	0.02 - 0.03 %
Nickel	0.02 %
Other	Rest Zn
Silicon	0.05 %
Tin	3E-3 %
Zinc	89.73 %

EN 12844 Grade ZP27 – Material Properties & Performance AA 1435 H12 Aluminium Standard – Key Mechanical Properties

Metal