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SAE-AISI M48 Steel vs. Grade 37 Titanium

SAE-AISI M48 steel belongs to the iron alloys classification, while grade 37 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 37 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
40
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
390

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Melting Completion (Liquidus), °C 1670
1650
Melting Onset (Solidus), °C 1620
1600
Specific Heat Capacity, J/kg-K 420
550
Thermal Expansion, µm/m-K 12
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 48
36
Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 13
31
Embodied Energy, MJ/kg 190
500
Embodied Water, L/kg 160
120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 28 to 76
24
Strength to Weight: Bending, points 23 to 45
26
Thermal Shock Resistance, points 26 to 71
29

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
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 0.3
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
96.9 to 99
Tungsten (W), % 9.5 to 10.5
0
Vanadium (V), % 2.8 to 3.3
0
Residuals, % 0
0 to 0.4