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ASTM A514 Steel vs. Grade C-5 Titanium

ASTM A514 steel belongs to the iron alloys classification, while grade C-5 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A514 steel and the bottom bar is grade C-5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 250
310
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 21
6.7
Fatigue Strength, MPa 470 to 540
510
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 790 to 830
1000
Tensile Strength: Yield (Proof), MPa 690 to 770
940

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
410
Maximum Temperature: Mechanical, °C 400 to 440
340
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 37 to 51
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.6
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.8
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.8
36
Density, g/cm3 7.8 to 7.9
4.4
Embodied Carbon, kg CO2/kg material 1.6 to 1.8
38
Embodied Energy, MJ/kg 21 to 25
610
Embodied Water, L/kg 48 to 57
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
66
Resilience: Unit (Modulus of Resilience), kJ/m3 1280 to 1590
4200
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 28 to 29
63
Strength to Weight: Bending, points 24 to 25
50
Thermal Diffusivity, mm2/s 10 to 14
2.9
Thermal Shock Resistance, points 23 to 24
71