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EN 1.1172 Steel vs. Grade 11 Titanium

EN 1.1172 steel belongs to the iron alloys classification, while grade 11 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.1172 steel and the bottom bar is grade 11 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
38
Tensile Strength: Ultimate (UTS), MPa 480 to 1720
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 51
22
Thermal Expansion, µm/m-K 12
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
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 18
800
Embodied Water, L/kg 46
470

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17 to 61
19
Strength to Weight: Bending, points 17 to 41
22
Thermal Diffusivity, mm2/s 14
8.9
Thermal Shock Resistance, points 15 to 55
22

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.080
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 98.2 to 99.18
0 to 0.2
Manganese (Mn), % 0.5 to 0.8
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 0.025
0
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
98.8 to 99.88
Residuals, % 0
0 to 0.4