Magnesium ZM21-F Alloy

Aug 9 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties

Introduction

Magnesium alloys have a lower density and good resistance to corrosion. Magnesium ZM21-F alloy has good damping capacity, medium strength and good forgeability.

The following datasheet gives an overview of magnesium ZM21-F alloy.

Chemical Composition

The following table shows the chemical composition of magnesium ZM21-F alloy.

Element Content (%)
Magnesium, Mg 97.5
Zinc, Zn 2
Manganese, Mn ≥ 0.5

Physical Properties

The physical properties of magnesium ZM21-F alloy are given in the following table.

Properties Metric Imperial
Density 1.80 g/cm³ 0.0650 lb/in³

Mechanical Properties

The mechanical properties of extruded magnesium ZM21-F alloy are listed in the following table.

Properties Metric Imperial
Tensile strength 234 MPa 34000 psi
Yield strength 152 MPa 22000 psi
Shear modulus 17 GPa 2470 ksi
Elastic modulus 45 GPa 6530 ksi
Poisson's ratio 0.35 0.35
Elongation at break (in 50 mm) 8% 8%

Thermal Properties

The following table outlines the thermal properties of magnesium ZM21-F alloy.

Properties Metric Imperial
Thermal expansion co-efficient (@ 0-100°C/32-212°F) 26 µm/m°C 14.4 µin/in°F

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