Jul 31 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications
Introduction
Magnesium AZ31B-H26 alloy is available in the form of hard rolled sheets and is obtained by strain hardening and partial annealing of the base alloy AZ31B. This datasheet will elaborate on the properties and applications of this alloy.
Chemical Composition
The following table provides the chemical composition of magnesium AZ31B-H26 alloy.
|
Element |
Content (%) |
|
Magnesium, Mg |
97 |
|
Aluminum, Al |
2.5-3.5 |
|
Zinc, Zn |
0.60-1.4 |
|
Manganese, Mn |
≥0.20 |
|
Silicon, Si |
≤0.10 |
|
Copper, Cu |
≤0.050 |
|
Calcium, Ca |
≤0.040 |
|
Iron, Fe |
≤0.0050 |
|
Nickel, Ni |
≤0.0050 |
Physical Properties
The physical properties of magnesium AZ31B-H26 alloy are given in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
1.77 g/cc |
0.0639 lb/in³ |
|
Melting Point |
605-630°C |
1120-1170°F |
Mechanical Properties
The mechanical properties of magnesium AZ31B-H26 alloy are listed in the table below.
|
Properties |
Metric |
Imperial |
|
Tensile Strength |
275 MPa |
39900 psi |
|
Yield strength |
190 MPa |
27600 psi |
|
Compressive Yield Strength |
130 MPa |
18900 psi |
|
Ultimate Bearing Strength |
495 MPa |
71800 psi |
|
Bearing Yield Strength |
275 MPa |
39900 psi |
|
Elongation at break (in 50 mm) |
10% |
10% |
|
Elastic Modulus (in tension) |
45 GPa |
6530 ksi |
|
Poisson's ratio |
0.35 |
0.35 |
|
Shear Modulus |
17 GPa |
2470 ksi |
|
Shear Strength |
190 MPa |
27600 psi |
|
Machinability (relative rating, 100=Best) |
100 |
100 |
Thermal Properties
The following table outlines the thermal properties of magnesium AZ31B-H26 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 |
96 W/mK |
666 BTU in/hr.ft².°F |
Other Designations
Some of the other designations that are used to denote magnesium AZ31B-H26 alloy are:
Applications
Magnesium AZ31B-H26 alloy is used in aircraft fuselage, cell phones and camera cases, textile machinery and concrete tools.