Aluminium Extrusions in Building

Material: Aluminium Extrusions in Building
Composition: Al/.7Mg/.4Si
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.01 0.011 m3/kmol 610.237 671.261 in3/kmol
Density 2.66 2.72 Mg/m3 166.058 169.804 lb/ft3
Energy Content 235 335 MJ/kg 25459.6 36293.5 kcal/lb
Bulk Modulus 65 71 GPa 9.42745 10.2977 106 psi
Compressive Strength 200 221 MPa 29.0075 32.0533 ksi
Ductility 0.111 0.129 0.111 0.129 NULL
Elastic Limit 200 221 MPa 29.0075 32.0533 ksi
Endurance Limit 83 85.8 MPa 12.0381 12.4442 ksi
Fracture Toughness 33 35 MPa.m1/2 30.0315 31.8516 ksi.in1/2
Hardness 760 840 MPa 110.229 121.832 ksi
Loss Coefficient 0.0001 0.002 0.0001 0.002 NULL
Modulus of Rupture 200 221 MPa 29.0075 32.0533 ksi
Poisson's Ratio 0.325 0.335 0.325 0.335 NULL
Shear Modulus 25 27 GPa 3.62594 3.91602 106 psi
Tensile Strength 233 257 MPa 33.7938 37.2747 ksi
Young's Modulus 69.5 73 GPa 10.0801 10.5878 106 psi
Glass Temperature K °F
Latent Heat of Fusion 384 393 kJ/kg 165.089 168.959 BTU/lb
Maximum Service Temperature 350 450 K 170.33 350.33 °F
Melting Point 888 928 K 1138.73 1210.73 °F
Minimum Service Temperature 0 K -459.67 °F
Specific Heat 882 918 J/kg.K 0.682543 0.710402 BTU/lb.F
Thermal Conductivity 197 205 W/m.K 368.791 383.767 BTU.ft/h.ft2.F
Thermal Expansion 22.9 24.1 10-6/K 41.22 43.38 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 3.2 3.4 10-8 ohm.m 3.2 3.4 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 4
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 1
Sea Water 4
Strong Acid 5
Strong Alkalis 2
UV 5
Wear 3
Weak Acid 5
Weak Alkalis 4