Table B-1: Properties of Duralumin (Al-2024 T6), CFRP (longitudinal), and AISI 4130 steel.
Properties Duralumin CFRP (longitudinal) AISI 4130 Steel
Density (g/cm3) 2.77 1.60 7.85
Vickers Hardness 142 - 207
Yield Strength (MPa) 345 - 435
Ultimate Strength (MPa) 427 1,100-1,900 670
Modulus of Elasticity (GPa) 72.4 120-140 205
Modulus of Resilience (kJ/m3) 980 - -
Izod Impact Strength (J/m) 8-22 - -
Current Cost per kg ($/kg) 4.46 40-44 0.9-1.82