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Grade 33 Titanium vs. ASTM A202 Steel

Grade 33 titanium belongs to the titanium alloys classification, while ASTM A202 steel belongs to the iron 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 grade 33 titanium and the bottom bar is ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
17 to 18
Fatigue Strength, MPa 250
240
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 240
360 to 410
Tensile Strength: Ultimate (UTS), MPa 390
590 to 670
Tensile Strength: Yield (Proof), MPa 350
350 to 360

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
410
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
52
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.1
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
1.4
Embodied Energy, MJ/kg 530
19
Embodied Water, L/kg 200
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
93 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 590
330 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 24
21 to 24
Strength to Weight: Bending, points 26
20 to 22
Thermal Diffusivity, mm2/s 8.7
14
Thermal Shock Resistance, points 30
17 to 20