AZ91C-T5 Magnesium
Magnesium Alloys
Property Overview
Density1.7g/cm³
Elastic Modulus46GPa
Tensile Strength170MPa
Yield Strength91MPa
Brinell HardnessUnknown
Maximum Service Temperature130°C
Chemical Composition
NI
0 to 0.010%
MN
0.13 to 0.35%
SI
0 to 0.3%
CU
0 to 0.1%
AL
8.1 to 9.3%
MG
88.6 to 91.4%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
ZN
0.4 to 1.0%
Mechanical
Elastic (Young's, Tensile) Modulus
46 GPa
Elongation at Break
2.3 %
Fatigue Strength
65 MPa
Poisson's Ratio
0.29
Shear Modulus
18 GPa
Shear Strength
98 MPa
Tensile Strength: Ultimate (UTS)
170 MPa
Tensile Strength: Yield (Proof)
91 MPa
Physical
Density
1.7 g/cm 3
Thermal
Latent Heat of Fusion
350 J/g
Maximum Temperature: Mechanical
130 °C
Melting Completion (Liquidus)
600 °C
Melting Onset (Solidus)
470 °C
Solidification (Pattern Maker's) Shrinkage
1.3 %
Specific Heat Capacity
990 J/kg-K
Thermal Conductivity
73 W/m-K
Thermal Diffusivity
43 mm 2 /s
Thermal Expansion
26 µm/m-K
Thermal Shock Resistance
10 points
Electrical
Electrical Conductivity: Equal Volume
11 % IACS
Electrical Conductivity: Equal Weight (Specific)
59 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
3.2 MJ/m 3
Resilience: Unit (Modulus of Resilience)
91 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
69 points
Strength to Weight: Axial
27 points
Strength to Weight: Bending
40 points
Environmental
Base Metal Price
12 % relative
Embodied Carbon
22 kg CO 2 /kg material
Embodied Energy
160 MJ/kg
Embodied Energy
160 MJ/kg 67 x 10 3 BTU/lb
Embodied Water
990 L/kg
Embodied Water
990 L/kg 120 gal/lb
Registered Designations & Aliases
AZ91C-T5 Magnesium
Standards
ASTM B199 ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings
ASTM B199 ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014 Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012
ASTM B403 ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings
ASTM B80 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings