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ASTM A514 Steel vs. Grade 1 Titanium

ASTM A514 steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A514 steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240 to 250
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 21
28
Fatigue Strength, MPa 470 to 540
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
39
Shear Strength, MPa 490 to 520
200
Tensile Strength: Ultimate (UTS), MPa 790 to 830
310
Tensile Strength: Yield (Proof), MPa 690 to 770
220

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
420
Maximum Temperature: Mechanical, °C 400 to 440
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 37 to 51
20
Thermal Expansion, µm/m-K 13
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.6
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.8
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.8
37
Density, g/cm3 7.8 to 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.6 to 1.8
31
Embodied Energy, MJ/kg 21 to 25
510
Embodied Water, L/kg 48 to 57
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
79
Resilience: Unit (Modulus of Resilience), kJ/m3 1280 to 1590
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 28 to 29
19
Strength to Weight: Bending, points 24 to 25
23
Thermal Diffusivity, mm2/s 10 to 14
8.2
Thermal Shock Resistance, points 23 to 24
24