An Insight to Magnesium (Mg)

Material: An Insight to Magnesium (Mg)
Composition: >99.8%Mg
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0138 0.0142 m3/kmol 842.127 866.537 in3/kmol
Density 1.73 1.75 Mg/m3 108 109.249 lb/ft3
Energy Content 300 500 MJ/kg 32501.6 54169.3 kcal/lb
Bulk Modulus 33 37 GPa 4.78624 5.36639 106 psi
Compressive Strength 65 100 MPa 9.42745 14.5038 ksi
Ductility 0.12 0.2 0.12 0.2 NULL
Elastic Limit 65 100 MPa 9.42745 14.5038 ksi
Endurance Limit 50 75 MPa 7.25188 10.8778 ksi
Fracture Toughness 50 70 MPa.m1/2 45.5023 63.7033 ksi.in1/2
Hardness 250 500 MPa 36.2595 72.5189 ksi
Loss Coefficient 0.001 0.05 0.001 0.05 NULL
Modulus of Rupture 65 100 MPa 9.42745 14.5038 ksi
Poisson's Ratio 0.28 0.295 0.28 0.295 NULL
Shear Modulus 16 18 GPa 2.3206 2.61068 106 psi
Tensile Strength 175 235 MPa 25.3816 34.0839 ksi
Young's Modulus 44 45.5 GPa 6.38166 6.59921 106 psi
Glass Temperature K °F
Latent Heat of Fusion 355 375 kJ/kg 152.622 161.22 BTU/lb
Maximum Service Temperature 270 340 K 26.33 152.33 °F
Melting Point 915 923 K 1187.33 1201.73 °F
Minimum Service Temperature 0 0 K -459.67 -459.67 °F
Specific Heat 1010 1050 J/kg.K 0.781597 0.812551 BTU/lb.F
Thermal Conductivity 150 155 W/m.K 280.805 290.165 BTU.ft/h.ft2.F
Thermal Expansion 25.5 26.5 10-6/K 45.9 47.7 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 4.2 5 10-8 ohm.m 4.2 5 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 5
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 1
Sea Water 4
Strong Acid 2
Strong Alkalis 3
UV 5
Wear 3
Weak Acid 4
Weak Alkalis 4