AZ31C (AZ31C-F, M11312) Magnesium
Magnesium Alloys
Property Overview
Density1.7g/cm³
Elastic Modulus45GPa
Tensile Strength260MPa
Yield Strength200MPa
Brinell HardnessUnknown
Maximum Service Temperature110°C
Chemical Composition
NI
0 to 0.030%
MN
0.15 to 1.0%
SI
0 to 0.1%
CU
0 to 0.1%
AL
2.4 to 3.6%
MG
93.4 to 97%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
ZN
0.5 to 1.5%
Mechanical
Elastic (Young's, Tensile) Modulus
45 GPa
Elongation at Break
12 %
Fatigue Strength
150 MPa
Poisson's Ratio
0.29
Shear Modulus
17 GPa
Shear Strength
130 MPa
Tensile Strength: Ultimate (UTS)
260 MPa
Tensile Strength: Yield (Proof)
200 MPa
Physical
Density
1.7 g/cm 3
Thermal
Latent Heat of Fusion
350 J/g
Maximum Temperature: Mechanical
110 °C
Melting Completion (Liquidus)
600 °C
Melting Onset (Solidus)
550 °C
Specific Heat Capacity
990 J/kg-K
Thermal Conductivity
130 W/m-K
Thermal Diffusivity
74 mm 2 /s
Thermal Expansion
26 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
19 % IACS
Electrical Conductivity: Equal Weight (Specific)
98 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
28 MJ/m 3
Resilience: Unit (Modulus of Resilience)
440 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
70 points
Strength to Weight: Axial
42 points
Strength to Weight: Bending
53 points
Environmental
Base Metal Price
12 % relative
Embodied Carbon
23 kg CO 2 /kg material
Embodied Energy
160 MJ/kg
Embodied Energy
160 MJ/kg 67 x 10 3 BTU/lb
Embodied Water
970 L/kg
Embodied Water
970 L/kg 120 gal/lb
Registered Designations & Aliases
AZ31C (AZ31C-F, M11312) MagnesiumAZ31C-FM11312
Standards
ASTM B107 ASTM B107: Standard Specification for Magnesium-Alloy Extruded Bars, Rods, Profiles, Tubes, and Wire
ASTM B107 ASTM B107: Standard Specification for Magnesium-Alloy Extruded Bars, Rods, Profiles, Tubes, and Wire Advances in Wrought Magnesium Alloys: Fundamentals of Processing, Properties and Applications, Colleen Bettles and Matthew Barnett (editors), 2012 Welding and Joining of Magnesium Alloys, Liming Liu (editor), 2010 Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014 Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014. Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012