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EN 1.4618 Stainless Steel vs. Titanium 6-5-0.5

EN 1.4618 stainless steel belongs to the iron alloys classification, while titanium 6-5-0.5 belongs to the titanium alloys. There are 30 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 1.4618 stainless steel and the bottom bar is titanium 6-5-0.5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 51
6.7
Fatigue Strength, MPa 240 to 250
530
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Shear Strength, MPa 480 to 500
630
Tensile Strength: Ultimate (UTS), MPa 680 to 700
1080
Tensile Strength: Yield (Proof), MPa 250 to 260
990

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 900
300
Melting Completion (Liquidus), °C 1400
1610
Melting Onset (Solidus), °C 1360
1560
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 15
4.2
Thermal Expansion, µm/m-K 16
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
41
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.7
33
Embodied Energy, MJ/kg 39
540
Embodied Water, L/kg 150
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
71
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
4630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24 to 25
67
Strength to Weight: Bending, points 22 to 23
52
Thermal Diffusivity, mm2/s 4.0
1.7
Thermal Shock Resistance, points 15 to 16
79

Alloy Composition

Aluminum (Al), % 0
5.7 to 6.3
Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 1.0 to 2.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.7 to 72.5
0 to 0.2
Manganese (Mn), % 5.5 to 9.5
0
Molybdenum (Mo), % 0
0.25 to 0.75
Nickel (Ni), % 4.5 to 5.5
0
Nitrogen (N), % 0 to 0.15
0 to 0.050
Oxygen (O), % 0
0 to 0.19
Phosphorus (P), % 0 to 0.070
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
85.6 to 90.1
Zirconium (Zr), % 0
4.0 to 6.0
Residuals, % 0
0 to 0.4