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EN 1.8201 Steel vs. Grade 4 Titanium

EN 1.8201 steel belongs to the iron alloys classification, while grade 4 titanium belongs to the titanium alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8201 steel and the bottom bar is grade 4 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
17
Fatigue Strength, MPa 310
340
Impact Strength: V-Notched Charpy, J 38
23
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
41
Shear Strength, MPa 390
390
Tensile Strength: Ultimate (UTS), MPa 630
640
Tensile Strength: Yield (Proof), MPa 450
530

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 450
320
Melting Completion (Liquidus), °C 1500
1660
Melting Onset (Solidus), °C 1450
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 40
19
Thermal Expansion, µm/m-K 13
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
37
Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 2.5
31
Embodied Energy, MJ/kg 36
500
Embodied Water, L/kg 59
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 530
1330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22
40
Strength to Weight: Bending, points 20
37
Thermal Diffusivity, mm2/s 11
7.6
Thermal Shock Resistance, points 18
46

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 1.9 to 2.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 93.6 to 96.2
0 to 0.5
Manganese (Mn), % 0.1 to 0.6
0
Molybdenum (Mo), % 0.050 to 0.3
0
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.0050 to 0.060
98.6 to 100
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0
Residuals, % 0
0 to 0.4