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EN 1.3551 Steel vs. Grade Ti-Pd18 Titanium

EN 1.3551 steel belongs to the iron alloys classification, while grade Ti-Pd18 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 1.3551 steel and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
320
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
710

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 530
330
Melting Completion (Liquidus), °C 1490
1640
Melting Onset (Solidus), °C 1450
1590
Specific Heat Capacity, J/kg-K 460
550
Thermal Conductivity, W/m-K 36
8.2
Thermal Expansion, µm/m-K 13
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
2.7

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.9
41
Embodied Energy, MJ/kg 71
670
Embodied Water, L/kg 82
270

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26
44
Strength to Weight: Bending, points 23
39
Thermal Diffusivity, mm2/s 9.8
3.3
Thermal Shock Resistance, points 21
52

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
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 0.25
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 0.15
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
92.5 to 95.5
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
2.0 to 3.0
Residuals, % 0
0 to 0.4