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SAE-AISI M1 Steel vs. Grade 14 Titanium

SAE-AISI M1 steel belongs to the iron alloys classification, while grade 14 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 M1 steel and the bottom bar is grade 14 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 77
41
Tensile Strength: Ultimate (UTS), MPa 730 to 2140
460

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Melting Completion (Liquidus), °C 1560
1660
Melting Onset (Solidus), °C 1510
1610
Specific Heat Capacity, J/kg-K 450
540
Thermal Conductivity, W/m-K 29
21
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
37
Density, g/cm3 8.1
4.5
Embodied Carbon, kg CO2/kg material 7.0
32
Embodied Energy, MJ/kg 99
520
Embodied Water, L/kg 98
210

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 25 to 73
28
Strength to Weight: Bending, points 22 to 45
29
Thermal Diffusivity, mm2/s 8.0
8.5
Thermal Shock Resistance, points 23 to 66
35

Alloy Composition

Carbon (C), % 0.78 to 0.88
0 to 0.080
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 81 to 84.8
0 to 0.3
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0.2 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.4 to 99.56
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0
Residuals, % 0
0 to 0.4