WE43A (M18430) Magnesium
Magnesium Alloys
Property Overview
Density1.9g/cm³
Elastic Modulus44GPa
Tensile Strength250 to 270MPa
Yield Strength160 to 170MPa
Brinell HardnessUnknown
Maximum Service Temperature180°C
Chemical Composition
NI
0 to 0.0050%
MN
0 to 0.15%
SI
0 to 0.010%
CU
0 to 0.030%
LI
0 to 0.2%
MG
89.5 to 93.5%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
UNSPECIFIED RARE EARTHS RARE E.
2.4 to 4.4%
Y
3.7 to 4.3%
ZN
0 to 0.2%
ZR
0.4 to 1.0%
FE
0 to 0.010%
Mechanical
Elastic (Young's, Tensile) Modulus
44 GPa
Elongation at Break
5.2 to 5.4 %
Fatigue Strength
85 to 120 MPa
Poisson's Ratio
0.29
Shear Modulus
17 GPa
Shear Strength
160 MPa
Tensile Strength: Ultimate (UTS)
250 to 270 MPa
Tensile Strength: Yield (Proof)
160 to 170 MPa
Physical
Density
1.9 g/cm 3
Thermal
Latent Heat of Fusion
330 J/g
Maximum Temperature: Mechanical
180 °C
Melting Completion (Liquidus)
640 °C
Melting Onset (Solidus)
570 °C
Solidification (Pattern Maker's) Shrinkage
1.6 %
Specific Heat Capacity
960 J/kg-K
Thermal Conductivity
51 W/m-K
Thermal Diffusivity
28 mm 2 /s
Thermal Expansion
27 µm/m-K
Thermal Shock Resistance
15 to 16 points
Electrical
Electrical Conductivity: Equal Volume
12 % IACS
Electrical Conductivity: Equal Weight (Specific)
55 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
12 MJ/m 3
Resilience: Unit (Modulus of Resilience)
280 to 310 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
61 points
Strength to Weight: Axial
36 to 39 points
Strength to Weight: Bending
46 to 48 points
Environmental
Base Metal Price
34 % relative
Embodied Carbon
28 kg CO 2 /kg material
Embodied Energy
250 MJ/kg
Embodied Energy
250 MJ/kg 110 x 10 3 BTU/lb
Embodied Water
910 L/kg
Embodied Water
910 L/kg 110 gal/lb
Registered Designations & Aliases
M18430WE43A (M18430) Magnesium
Standards
ASTM B80 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings
ISO 3116 ISO 3116: Magnesium and magnesium alloys - Wrought magnesium alloys