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EN 1.4508 Stainless Steel vs. Grade C-6 Titanium

EN 1.4508 stainless steel belongs to the iron alloys classification, while grade C-6 titanium belongs to the titanium alloys. There are 29 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 1.4508 stainless steel and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 34
9.0
Fatigue Strength, MPa 210
460
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
39
Tensile Strength: Ultimate (UTS), MPa 570
890
Tensile Strength: Yield (Proof), MPa 260
830

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1000
310
Melting Completion (Liquidus), °C 1450
1580
Melting Onset (Solidus), °C 1400
1530
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 15
7.8
Thermal Expansion, µm/m-K 12
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.0
30
Embodied Energy, MJ/kg 55
480
Embodied Water, L/kg 160
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
78
Resilience: Unit (Modulus of Resilience), kJ/m3 170
3300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 20
55
Strength to Weight: Bending, points 19
46
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 17
63

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 18 to 20
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 61.2 to 69.9
0 to 0.5
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
0 to 0.050
Nitrogen (N), % 0.1 to 0.2
0
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Residuals, % 0
0 to 0.4