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SAE-AISI M41 Steel vs. Grade 37 Titanium

SAE-AISI M41 steel belongs to the iron alloys classification, while grade 37 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 M41 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 77
40
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
390

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Melting Completion (Liquidus), °C 1600
1650
Melting Onset (Solidus), °C 1550
1600
Specific Heat Capacity, J/kg-K 440
550
Thermal Conductivity, W/m-K 22
21
Thermal Expansion, µm/m-K 12
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
36
Density, g/cm3 8.4
4.5
Embodied Carbon, kg CO2/kg material 9.1
31
Embodied Energy, MJ/kg 140
500
Embodied Water, L/kg 120
120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 26 to 76
24
Strength to Weight: Bending, points 23 to 46
26
Thermal Diffusivity, mm2/s 6.0
8.4
Thermal Shock Resistance, points 25 to 71
29

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.0
Carbon (C), % 1.1 to 1.2
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 73.4 to 78.9
0 to 0.3
Manganese (Mn), % 0.2 to 0.6
0
Molybdenum (Mo), % 3.3 to 4.3
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 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
96.9 to 99
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0
Residuals, % 0
0 to 0.4