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Grade 37 Titanium vs. SAE-AISI H41 Steel

Grade 37 titanium belongs to the titanium alloys classification, while SAE-AISI H41 steel belongs to the iron 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 grade 37 titanium and the bottom bar is SAE-AISI H41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 390
710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Melting Completion (Liquidus), °C 1650
1560
Melting Onset (Solidus), °C 1600
1510
Specific Heat Capacity, J/kg-K 550
450
Thermal Conductivity, W/m-K 21
28
Thermal Expansion, µm/m-K 8.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
18
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 31
6.8
Embodied Energy, MJ/kg 500
97
Embodied Water, L/kg 120
97

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 24
24 to 76
Strength to Weight: Bending, points 26
22 to 47
Thermal Diffusivity, mm2/s 8.4
7.7
Thermal Shock Resistance, points 29
20 to 64

Alloy Composition

Aluminum (Al), % 1.0 to 2.0
0
Carbon (C), % 0 to 0.080
0.6 to 0.75
Chromium (Cr), % 0
3.5 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
81.8 to 85
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 96.9 to 99
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.3
Residuals, % 0 to 0.4
0