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SAE-AISI 5130 Steel vs. Grade 11 Titanium

SAE-AISI 5130 steel belongs to the iron alloys classification, while grade 11 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5130 steel and the bottom bar is grade 11 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 190
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12 to 22
29
Fatigue Strength, MPa 230 to 330
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
38
Shear Strength, MPa 310 to 390
200
Tensile Strength: Ultimate (UTS), MPa 500 to 640
310
Tensile Strength: Yield (Proof), MPa 330 to 530
230

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 420
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 45
22
Thermal Expansion, µm/m-K 12
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
47
Embodied Energy, MJ/kg 19
800
Embodied Water, L/kg 50
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 98
81
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 750
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 18 to 23
19
Strength to Weight: Bending, points 18 to 21
22
Thermal Diffusivity, mm2/s 12
8.9
Thermal Shock Resistance, points 16 to 20
22

Alloy Composition

Carbon (C), % 0.28 to 0.33
0 to 0.080
Chromium (Cr), % 0.8 to 1.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97.2 to 98.1
0 to 0.2
Manganese (Mn), % 0.7 to 0.9
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
98.8 to 99.88
Residuals, % 0
0 to 0.4