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SAE-AISI H41 Steel vs. Grade 28 Titanium

SAE-AISI H41 steel belongs to the iron alloys classification, while grade 28 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 28 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
690 to 980

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
8.3
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 18
36
Density, g/cm3 8.1
4.5
Embodied Carbon, kg CO2/kg material 6.8
37
Embodied Energy, MJ/kg 97
600
Embodied Water, L/kg 97
370

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 61
Strength to Weight: Bending, points 22 to 47
39 to 49
Thermal Diffusivity, mm2/s 7.7
3.4
Thermal Shock Resistance, points 20 to 64
47 to 66

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
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
92.4 to 95.4
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