QE22A (QE22A-T6, 3.5106, M18220) Magnesium
Magnesium Alloys
Property Overview
Density2g/cm³
Elastic Modulus44GPa
Tensile Strength250MPa
Yield Strength190MPa
Brinell Hardness80HB
Maximum Service Temperature250°C
Chemical Composition
NI
0 to 0.010%
CU
0 to 0.1%
AG
2.0 to 3.0%
MG
93.1 to 95.8%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
UNSPECIFIED RARE EARTHS RARE E.
1.8 to 2.5%
ZR
0.4 to 1.0%
Mechanical
Compressive (Crushing) Strength
350 MPa
Elastic (Young's, Tensile) Modulus
44 GPa
Elongation at Break
2.4 %
Fatigue Strength
110 MPa
Fracture Toughness
15 MPa-m 1/2
Poisson's Ratio
0.29
Shear Modulus
17 GPa
Shear Strength
150 MPa
Tensile Strength: Ultimate (UTS)
250 MPa
Tensile Strength: Yield (Proof)
190 MPa
Hardness
Brinell Hardness
80
Physical
Density
2.0 g/cm 3
Thermal
Latent Heat of Fusion
340 J/g
Maximum Temperature: Mechanical
250 °C
Melting Completion (Liquidus)
640 °C
Melting Onset (Solidus)
570 °C
Solidification (Pattern Maker's) Shrinkage
1.3 %
Specific Heat Capacity
970 J/kg-K
Thermal Conductivity
110 W/m-K
Thermal Diffusivity
59 mm 2 /s
Thermal Expansion
27 µm/m-K
Thermal Shock Resistance
15 points
Electrical
Electrical Conductivity: Equal Volume
25 % IACS
Electrical Conductivity: Equal Weight (Specific)
120 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
5.5 MJ/m 3
Resilience: Unit (Modulus of Resilience)
400 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
60 points
Strength to Weight: Axial
36 points
Strength to Weight: Bending
46 points
Environmental
Embodied Carbon
27 kg CO 2 /kg material
Embodied Energy
220 MJ/kg
Embodied Energy
220 MJ/kg 95 x 10 3 BTU/lb
Registered Designations & Aliases
3.5106M18220QE22A (QE22A-T6, 3.5106, M18220) MagnesiumQE22A-T6
Standards
ASTM B199 ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings
ASTM B403 ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings
ASTM B80 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings