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Grade 23 Titanium vs. SAE-AISI M41 Steel

Grade 23 titanium belongs to the titanium alloys classification, while SAE-AISI M41 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 23 titanium and the bottom bar is SAE-AISI M41 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 930 to 940
800 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1610
1600
Melting Onset (Solidus), °C 1560
1550
Specific Heat Capacity, J/kg-K 560
440
Thermal Conductivity, W/m-K 7.1
22
Thermal Expansion, µm/m-K 9.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
33
Density, g/cm3 4.4
8.4
Embodied Carbon, kg CO2/kg material 38
9.1
Embodied Energy, MJ/kg 610
140
Embodied Water, L/kg 200
120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 58 to 59
26 to 76
Strength to Weight: Bending, points 48
23 to 46
Thermal Diffusivity, mm2/s 2.9
6.0
Thermal Shock Resistance, points 67 to 68
25 to 71

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
1.1 to 1.2
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.8 to 5.8
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.25
73.4 to 78.9
Manganese (Mn), % 0
0.2 to 0.6
Molybdenum (Mo), % 0
3.3 to 4.3
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.1 to 91
0
Tungsten (W), % 0
6.3 to 7.0
Vanadium (V), % 3.5 to 4.5
1.8 to 2.3
Residuals, % 0 to 0.4
0

Comparable Variants