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ASTM A299 Steel vs. Grade 1 Titanium

ASTM A299 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 A299 steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21 to 22
28
Fatigue Strength, MPa 230 to 250
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
39
Shear Strength, MPa 370 to 390
200
Tensile Strength: Ultimate (UTS), MPa 590 to 620
310
Tensile Strength: Yield (Proof), MPa 330 to 360
220

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
20
Thermal Expansion, µm/m-K 13
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
31
Embodied Energy, MJ/kg 19
510
Embodied Water, L/kg 47
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
79
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 350
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 22
19
Strength to Weight: Bending, points 20 to 21
23
Thermal Diffusivity, mm2/s 14
8.2
Thermal Shock Resistance, points 17 to 18
24