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SAE-AISI 1042 Steel vs. Grade C-2 Titanium

SAE-AISI 1042 steel belongs to the iron alloys classification, while grade C-2 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1042 steel and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
180
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 14 to 18
17
Fatigue Strength, MPa 230 to 370
200
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 620 to 700
390
Tensile Strength: Yield (Proof), MPa 340 to 580
310

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
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
31
Embodied Energy, MJ/kg 18
510
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 94
61
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 900
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22 to 25
24
Strength to Weight: Bending, points 21 to 22
26
Thermal Diffusivity, mm2/s 14
8.8
Thermal Shock Resistance, points 20 to 22
30

Alloy Composition

Carbon (C), % 0.4 to 0.47
0 to 0.1
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 98.5 to 99
0 to 0.2
Manganese (Mn), % 0.6 to 0.9
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
98.8 to 100
Residuals, % 0
0 to 0.4