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EN 1.3551 Steel vs. Grade C-2 Titanium

EN 1.3551 steel belongs to the iron alloys classification, while grade C-2 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3551 steel and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
40
Tensile Strength: Ultimate (UTS), MPa 720
390

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Maximum Temperature: Mechanical, °C 530
320
Melting Completion (Liquidus), °C 1490
1660
Melting Onset (Solidus), °C 1450
1610
Specific Heat Capacity, J/kg-K 460
540
Thermal Conductivity, W/m-K 36
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.9
31
Embodied Energy, MJ/kg 71
510
Embodied Water, L/kg 82
110

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 9.8
8.8
Thermal Shock Resistance, points 21
30

Alloy Composition

Carbon (C), % 0.77 to 0.85
0 to 0.1
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 88.8 to 91.1
0 to 0.2
Manganese (Mn), % 0.15 to 0.35
0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98.8 to 100
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0
Residuals, % 0
0 to 0.4