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SAE-AISI M41 Steel vs. Grade 29 Titanium

SAE-AISI M41 steel belongs to the iron alloys classification, while grade 29 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 29 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
930 to 940

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Melting Completion (Liquidus), °C 1600
1610
Melting Onset (Solidus), °C 1550
1560
Specific Heat Capacity, J/kg-K 440
560
Thermal Conductivity, W/m-K 22
7.3
Thermal Expansion, µm/m-K 12
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
36
Density, g/cm3 8.4
4.5
Embodied Carbon, kg CO2/kg material 9.1
39
Embodied Energy, MJ/kg 140
640
Embodied Water, L/kg 120
410

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 26 to 76
58 to 59
Strength to Weight: Bending, points 23 to 46
47 to 48
Thermal Diffusivity, mm2/s 6.0
2.9
Thermal Shock Resistance, points 25 to 71
68 to 69

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
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 0.25
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 0.13
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
88 to 90.9
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants