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EN 1.3505 Steel vs. Grade 38 Titanium

EN 1.3505 steel belongs to the iron alloys classification, while grade 38 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 1.3505 steel and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 600 to 690
1000

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 430
330
Melting Completion (Liquidus), °C 1450
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 45
8.0
Thermal Expansion, µm/m-K 13
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.5
35
Embodied Energy, MJ/kg 20
560
Embodied Water, L/kg 52
160

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22 to 25
62
Strength to Weight: Bending, points 20 to 22
49
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 18 to 20
72

Alloy Composition

Aluminum (Al), % 0 to 0.050
3.5 to 4.5
Carbon (C), % 0.93 to 1.1
0 to 0.080
Chromium (Cr), % 1.4 to 1.6
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97.1 to 98.3
1.2 to 1.8
Manganese (Mn), % 0.25 to 0.45
0
Molybdenum (Mo), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0 to 0.0015
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4