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ASTM A572 Steel vs. Grade C-2 Titanium

ASTM A572 steel belongs to the iron alloys classification, while grade C-2 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 A572 steel and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 25
17
Fatigue Strength, MPa 240 to 340
200
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 470 to 620
390
Tensile Strength: Yield (Proof), MPa 330 to 510
310

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 51
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.3
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.6
31
Embodied Energy, MJ/kg 22
510
Embodied Water, L/kg 47
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
61
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17 to 22
24
Strength to Weight: Bending, points 17 to 21
26
Thermal Diffusivity, mm2/s 14
8.8
Thermal Shock Resistance, points 14 to 18
30