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SAE-AISI 1019 Steel vs. Grade 15 Titanium

SAE-AISI 1019 steel belongs to the iron alloys classification, while grade 15 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 1019 steel and the bottom bar is grade 15 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17 to 29
20
Fatigue Strength, MPa 190 to 290
290
Poisson's Ratio 0.29
0.32
Reduction in Area, % 46 to 56
28
Shear Modulus, GPa 73
41
Shear Strength, MPa 300 to 320
340
Tensile Strength: Ultimate (UTS), MPa 470 to 520
540
Tensile Strength: Yield (Proof), MPa 250 to 430
430

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 52
21
Thermal Expansion, µm/m-K 12
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.4
32
Embodied Energy, MJ/kg 18
520
Embodied Water, L/kg 46
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 500
870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17 to 18
33
Strength to Weight: Bending, points 17 to 18
33
Thermal Diffusivity, mm2/s 14
8.4
Thermal Shock Resistance, points 15 to 16
41

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 98.7 to 99.15
0 to 0.3
Manganese (Mn), % 0.7 to 1.0
0
Nickel (Ni), % 0
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.040 to 0.060
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
98.2 to 99.56
Residuals, % 0
0 to 0.4