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SAE-AISI M50 Steel vs. Titanium 6-7

SAE-AISI M50 steel belongs to the iron alloys classification, while titanium 6-7 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 M50 steel and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
45
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
1020

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Melting Completion (Liquidus), °C 1480
1700
Melting Onset (Solidus), °C 1440
1650
Specific Heat Capacity, J/kg-K 470
520
Thermal Expansion, µm/m-K 13
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
75
Density, g/cm3 7.9
5.1
Embodied Carbon, kg CO2/kg material 5.1
34
Embodied Energy, MJ/kg 74
540
Embodied Water, L/kg 83
190

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 26 to 80
56
Strength to Weight: Bending, points 23 to 49
44
Thermal Shock Resistance, points 21 to 66
66

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.78 to 0.88
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 87 to 90.4
0 to 0.25
Manganese (Mn), % 0.15 to 0.45
0
Molybdenum (Mo), % 3.9 to 4.8
6.5 to 7.5
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88
Vanadium (V), % 0.8 to 1.3
0