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EN 1.8873 Steel vs. Grade 34 Titanium

EN 1.8873 steel belongs to the iron alloys classification, while grade 34 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 1.8873 steel and the bottom bar is grade 34 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 19
20
Fatigue Strength, MPa 340
310
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Shear Strength, MPa 410
320
Tensile Strength: Ultimate (UTS), MPa 660
510
Tensile Strength: Yield (Proof), MPa 490
450

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 420
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 39
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
55
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.8
33
Embodied Energy, MJ/kg 24
530
Embodied Water, L/kg 52
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 650
960
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 23
31
Strength to Weight: Bending, points 21
31
Thermal Diffusivity, mm2/s 10
8.4
Thermal Shock Resistance, points 19
39

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0 to 0.080
Chromium (Cr), % 0 to 1.0
0.1 to 0.2
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 93.6 to 100
0 to 0.3
Manganese (Mn), % 0 to 1.7
0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 1.5
0.35 to 0.55
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.025
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.050
98 to 99.52
Vanadium (V), % 0 to 0.080
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.4