AS41B (AS41B-F, M10412) Magnesium
Magnesium Alloys
Property Overview
Density1.7g/cm³
Elastic Modulus45GPa
Tensile Strength210MPa
Yield Strength140MPa
Brinell HardnessUnknown
Maximum Service Temperature110°C
Chemical Composition
NI
0 to 0.0020%
MN
0.35 to 0.7%
SI
0.5 to 1.5%
CU
0 to 0.020%
AL
3.5 to 5.0%
MG
92.7 to 95.7%
ZN
0 to 0.12%
FE
0 to 0.0035%
Mechanical
Elastic (Young's, Tensile) Modulus
45 GPa
Elongation at Break
6.0 %
Fatigue Strength
97 MPa
Poisson's Ratio
0.29
Shear Modulus
18 GPa
Shear Strength
120 MPa
Tensile Strength: Ultimate (UTS)
210 MPa
Tensile Strength: Yield (Proof)
140 MPa
Physical
Density
1.7 g/cm 3
Thermal
Latent Heat of Fusion
370 J/g
Maximum Temperature: Mechanical
110 °C
Melting Completion (Liquidus)
620 °C
Melting Onset (Solidus)
570 °C
Specific Heat Capacity
1000 J/kg-K
Thermal Conductivity
68 W/m-K
Thermal Diffusivity
41 mm 2 /s
Thermal Expansion
26 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
17 % IACS
Electrical Conductivity: Equal Weight (Specific)
92 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
11 MJ/m 3
Resilience: Unit (Modulus of Resilience)
220 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
72 points
Strength to Weight: Axial
35 points
Strength to Weight: Bending
47 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 68 x 10 3 BTU/lb
Embodied Water
980 L/kg
Embodied Water
980 L/kg 120 gal/lb
Registered Designations & Aliases
AS41B (AS41B-F, M10412) MagnesiumAS41B-FM10412
Standards
ASTM B94 ASTM B94: Standard Specification for Magnesium-Alloy Die Castings
ASTM B94 ASTM B94: Standard Specification for Magnesium-Alloy Die Castings Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014