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SAE-AISI 1074 Steel vs. Grade 32 Titanium

SAE-AISI 1074 steel belongs to the iron alloys classification, while grade 32 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1074 steel and the bottom bar is grade 32 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 14
11
Fatigue Strength, MPa 290 to 350
390
Poisson's Ratio 0.29
0.32
Reduction in Area, % 34 to 45
28
Shear Modulus, GPa 72
40
Shear Strength, MPa 440 to 490
460
Tensile Strength: Ultimate (UTS), MPa 740 to 820
770
Tensile Strength: Yield (Proof), MPa 450 to 570
670

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
310
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 50
7.5
Thermal Expansion, µm/m-K 12
8.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
38
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
32
Embodied Energy, MJ/kg 19
530
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
83
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 860
2100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26 to 29
47
Strength to Weight: Bending, points 23 to 25
41
Thermal Diffusivity, mm2/s 14
3.0
Thermal Shock Resistance, points 24 to 26
63

Alloy Composition

Aluminum (Al), % 0
4.5 to 5.5
Carbon (C), % 0.7 to 0.8
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 98.3 to 98.8
0 to 0.25
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0
0.6 to 1.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.11
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0.060 to 0.14
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0
0.6 to 1.4
Titanium (Ti), % 0
88.1 to 93
Vanadium (V), % 0
0.6 to 1.4
Zirconium (Zr), % 0
0.6 to 1.4
Residuals, % 0
0 to 0.4