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SAE-AISI 1552 Steel vs. Grade 6 Titanium

SAE-AISI 1552 steel belongs to the iron alloys classification, while grade 6 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 1552 steel and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 11 to 14
11
Fatigue Strength, MPa 290 to 400
290
Poisson's Ratio 0.29
0.32
Reduction in Area, % 34 to 46
27
Shear Modulus, GPa 72
39
Shear Strength, MPa 460 to 510
530
Tensile Strength: Ultimate (UTS), MPa 760 to 840
890
Tensile Strength: Yield (Proof), MPa 460 to 650
840

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
310
Melting Completion (Liquidus), °C 1460
1580
Melting Onset (Solidus), °C 1420
1530
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 51
7.8
Thermal Expansion, µm/m-K 11
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
30
Embodied Energy, MJ/kg 19
480
Embodied Water, L/kg 47
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
92
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
3390
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 27 to 30
55
Strength to Weight: Bending, points 24 to 25
46
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 26 to 29
65

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0.47 to 0.55
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97.9 to 98.3
0 to 0.5
Manganese (Mn), % 1.2 to 1.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Residuals, % 0
0 to 0.4