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SAE-AISI M48 Steel vs. Grade 13 Titanium

SAE-AISI M48 steel belongs to the iron alloys classification, while grade 13 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M48 steel and the bottom bar is grade 13 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 78
41
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
310

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Melting Completion (Liquidus), °C 1670
1660
Melting Onset (Solidus), °C 1620
1610
Specific Heat Capacity, J/kg-K 420
540
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 48
37
Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 13
32
Embodied Energy, MJ/kg 190
520
Embodied Water, L/kg 160
210

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 28 to 76
19
Strength to Weight: Bending, points 23 to 45
22
Thermal Shock Resistance, points 26 to 71
24

Alloy Composition

Carbon (C), % 1.4 to 1.5
0 to 0.080
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 8.0 to 10
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 63.8 to 69.8
0 to 0.2
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 5.5
0
Nickel (Ni), % 0 to 0.3
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.5 to 99.56
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0
Residuals, % 0
0 to 0.4