Magnesium AZ31C-F Alloy (UNS M11312)

Jun 18 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties

Introduction

Magnesium alloys are quite popular as advanced structural materials due to their low density, excellent damping capacity, high specific strength, good machinability. There are about 30 magnesium alloy variations available in the market.

The following sections will discuss in detail about magnesium AZ31C-F alloy.

Chemical Composition

The chemical composition of magnesium AZ31C-F alloy is outlined in the following table.

Element Content (%)
Aluminum, Al 3
Zinc, Zn 1
Manganese, Mn 0.15
Copper, Cu 0.1
Nickel, Ni 0.03
Magnesium, Mg Remainder

Physical Properties

The physical properties of magnesium AZ31C-F alloy are tabulated below.

Properties Metric Imperial
Density 1.77 g/cm3 0.0639 lb/in3
Melting point 605 - 630°C 1120 - 1170°F

Mechanical Properties

The following table shows mechanical properties of magnesium AZ31C-F extruded solid shapes alloy.

Properties Metric Imperial
Tensile strength 260 MPa 37700 psi
Yield strength 200 MPa 29000 psi
Poisson’s ratio 0.35 0.35
Modulus of elasticity 45 GPa 6530 ksi
Elongation at break 15% 15%
Hardness, Brinell 49 49

Thermal Properties

The thermal properties of magnesium AZ31C-F alloy are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@20-100°C/68-212°F) 26 µm/m°C 14.4 µin/in°F
Thermal conductivity 96 W/mK 666 BTU in/hr.ft².°F

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