Magnesium AZ61A-F (UNS M11610) Alloy

Jul 31 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications

Introduction

Magnesium AZ61A-F alloy is available in forged, extruded hollow shapes and extruded solid shapes. This alloy is relatively inexpensive and exhibits good strength. This datasheet will elaborate on the properties and applications of this alloy.

Chemical Composition

The following table provides the chemical composition of magnesium AZ61A-F alloy.

Element Content (%)
Magnesium, Mg 92
Aluminum, Al 5.8-7.2
Zinc, Zn 0.4-1.5
Manganese, Mn ≥0.15
Silicon, Si ≤0.10
Iron, Fe ≤0.0050
Nickel, Ni ≤0.0050

Physical Properties

The physical properties of magnesium AZ61A-F alloy are given in the following table.

Properties Metric Imperial
Density 1.80g/cc 0.0650 lb/in³
Melting Point(Incipient melting) ≥418°C ≥784°F

Mechanical Properties

The mechanical properties of magnesium AZ61A-F alloy are listed in the table below.

Properties Metric Imperial
Tensile Strength 295 MPa 42800 psi
Yield strength (@strain 0.200%) 180 MPa 26100 psi
Compressive Yield Strength (at 0.2% offset) 125 MPa 18100 psi
Ultimate Bearing Strength 500 MPa 72500 psi
Bearing Yield Strength 285 MPa 41300 psi
Elongation at break (in 50 mm) 12% 12%
Elastic Modulus (in tension) 45 GPa 6530 ksi
Poisson's ratio 0.35 0.35
Shear Modulus 17 GPa 2470 ksi
Shear Strength 145 MPa 21000 psi
Machinability (relative rating, 100=Best) 100 100
Hardness, Brinell (500 kg load, 10 mm ball) 55 55
Hardness, Vickers (estimated from Brinell) 66 66
Hardness, Knoop (estimated from Brinell) 70 70

Thermal Properties

The following table outlines the thermal properties of magnesium AZ61A-F alloy.

Properties Metric Imperial
Thermal expansion co-efficient (@ 0.000-100°C/32-212°F) 26 µm/m°C 14.4 µin/in°F
Thermal Conductivity 70 W/mK 486 BTU in/hr.ft².°F

Other Designations

Some of the other designations that are used to denote magnesium AZ61A-F alloy are:-

  • UNS M11610

Applications

Magnesium AZ61A-F alloy is used in applications that require good strength at moderate costs.

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