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SAE-AISI H41 Steel vs. Grade 9 Titanium

SAE-AISI H41 steel belongs to the iron alloys classification, while grade 9 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 H41 steel and the bottom bar is grade 9 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 710 to 2210
700 to 960

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1560
1640
Melting Onset (Solidus), °C 1510
1590
Specific Heat Capacity, J/kg-K 450
550
Thermal Conductivity, W/m-K 28
8.1
Thermal Expansion, µm/m-K 12
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
37
Density, g/cm3 8.1
4.5
Embodied Carbon, kg CO2/kg material 6.8
36
Embodied Energy, MJ/kg 97
580
Embodied Water, L/kg 97
150

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 24 to 76
43 to 60
Strength to Weight: Bending, points 22 to 47
39 to 48
Thermal Diffusivity, mm2/s 7.7
3.3
Thermal Shock Resistance, points 20 to 64
52 to 71

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0.6 to 0.75
0 to 0.080
Chromium (Cr), % 3.5 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 81.8 to 85
0 to 0.25
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 8.2 to 9.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
92.6 to 95.5
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.0 to 1.3
2.0 to 3.0
Residuals, % 0
0 to 0.4

Comparable Variants