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ASTM A202 Steel vs. Grade 32 Titanium

ASTM A202 steel belongs to the iron alloys classification, while grade 32 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 A202 steel and the bottom bar is grade 32 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17 to 18
11
Fatigue Strength, MPa 240
390
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Shear Strength, MPa 360 to 410
460
Tensile Strength: Ultimate (UTS), MPa 590 to 670
770
Tensile Strength: Yield (Proof), MPa 350 to 360
670

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 410
310
Melting Completion (Liquidus), °C 1450
1610
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 52
7.5
Thermal Expansion, µm/m-K 13
8.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
38
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
32
Embodied Energy, MJ/kg 19
530
Embodied Water, L/kg 49
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
83
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
2100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 24
47
Strength to Weight: Bending, points 20 to 22
41
Thermal Diffusivity, mm2/s 14
3.0
Thermal Shock Resistance, points 17 to 20
63