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EN 1.8902 Steel vs. R56401 Titanium

EN 1.8902 steel belongs to the iron alloys classification, while R56401 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8902 steel and the bottom bar is R56401 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21
9.1
Fatigue Strength, MPa 290
480
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Shear Strength, MPa 380
560
Tensile Strength: Ultimate (UTS), MPa 600
940
Tensile Strength: Yield (Proof), MPa 420
850

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 410
340
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 44
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.8
38
Embodied Energy, MJ/kg 24
610
Embodied Water, L/kg 51
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83
Resilience: Unit (Modulus of Resilience), kJ/m3 470
3440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21
59
Strength to Weight: Bending, points 20
48
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 18
67

Alloy Composition

Aluminum (Al), % 0 to 0.015
5.5 to 6.5
Carbon (C), % 0 to 0.22
0 to 0.080
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 0 to 0.6
0
Hydrogen (H), % 0
0 to 0.012
Iron (Fe), % 95 to 99.05
0 to 0.25
Manganese (Mn), % 1.0 to 1.8
0
Molybdenum (Mo), % 0 to 0.13
0
Nickel (Ni), % 0 to 0.85
0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.65
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.060
88.5 to 91
Vanadium (V), % 0 to 0.22
3.5 to 4.5