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Grade 32 Titanium vs. SAE-AISI H42 Steel

Grade 32 titanium belongs to the titanium alloys classification, while SAE-AISI H42 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 32 titanium and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 770
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1610
1620
Melting Onset (Solidus), °C 1560
1570
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 7.5
24
Thermal Expansion, µm/m-K 8.2
12

Otherwise Unclassified Properties

Base Metal Price, % relative 38
24
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 32
8.8
Embodied Energy, MJ/kg 530
130
Embodied Water, L/kg 180
98

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 47
23 to 65
Strength to Weight: Bending, points 41
21 to 42
Thermal Diffusivity, mm2/s 3.0
6.5
Thermal Shock Resistance, points 63
20 to 57

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Carbon (C), % 0 to 0.080
0.55 to 0.7
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
79.3 to 83.8
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0.6 to 1.2
4.5 to 5.5
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.060 to 0.14
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0.6 to 1.4
1.8 to 2.2
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0