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EN 1.6217 Steel vs. Titanium 4-4-2

EN 1.6217 steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.6217 steel and the bottom bar is titanium 4-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 24
10
Fatigue Strength, MPa 280
590 to 620
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
42
Shear Strength, MPa 350
690 to 750
Tensile Strength: Ultimate (UTS), MPa 550
1150 to 1250
Tensile Strength: Yield (Proof), MPa 390
1030 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
310
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 50
6.7
Thermal Expansion, µm/m-K 13
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
39
Density, g/cm3 7.8
4.7
Embodied Carbon, kg CO2/kg material 1.5
30
Embodied Energy, MJ/kg 21
480
Embodied Water, L/kg 49
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 410
4700 to 5160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
34
Strength to Weight: Axial, points 19
68 to 74
Strength to Weight: Bending, points 19
52 to 55
Thermal Diffusivity, mm2/s 14
2.6
Thermal Shock Resistance, points 16
86 to 93

Alloy Composition

Aluminum (Al), % 0.020 to 0.050
3.0 to 5.0
Carbon (C), % 0 to 0.16
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 96.6 to 99
0 to 0.2
Manganese (Mn), % 0.85 to 1.7
0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0.15 to 0.85
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0.3 to 0.7
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
85.8 to 92.2
Vanadium (V), % 0 to 0.050
0
Residuals, % 0
0 to 0.4