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SAE-AISI M10 Steel vs. Grade 15 Titanium

SAE-AISI M10 steel belongs to the iron alloys classification, while grade 15 titanium belongs to the titanium 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 SAE-AISI M10 steel and the bottom bar is grade 15 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 740 to 2170
540

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Melting Completion (Liquidus), °C 1520
1660
Melting Onset (Solidus), °C 1470
1610
Specific Heat Capacity, J/kg-K 460
540
Thermal Conductivity, W/m-K 31
21
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 8.3
32
Embodied Energy, MJ/kg 120
520
Embodied Water, L/kg 100
210

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26 to 76
33
Strength to Weight: Bending, points 23 to 47
33
Thermal Diffusivity, mm2/s 8.5
8.4
Thermal Shock Resistance, points 23 to 68
41

Alloy Composition

Carbon (C), % 0.84 to 1.1
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 82.3 to 85.6
0 to 0.3
Manganese (Mn), % 0.1 to 0.4
0
Molybdenum (Mo), % 7.8 to 8.5
0
Nickel (Ni), % 0 to 0.3
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.2 to 99.56
Vanadium (V), % 1.8 to 2.2
0
Residuals, % 0
0 to 0.4