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Grade C-6 Titanium vs. SAE-AISI H42 Steel

Grade C-6 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 C-6 titanium and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 39
77
Tensile Strength: Ultimate (UTS), MPa 890
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1580
1620
Melting Onset (Solidus), °C 1530
1570
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 7.8
24
Thermal Expansion, µm/m-K 9.8
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
24
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 30
8.8
Embodied Energy, MJ/kg 480
130
Embodied Water, L/kg 190
98

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 55
23 to 65
Strength to Weight: Bending, points 46
21 to 42
Thermal Diffusivity, mm2/s 3.2
6.5
Thermal Shock Resistance, points 63
20 to 57

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.1
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 0.5
79.3 to 83.8
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0 to 0.050
0 to 0.3
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.7 to 94
0
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2
Residuals, % 0 to 0.4
0