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EN 1.4588 Stainless Steel vs. Grade 35 Titanium

EN 1.4588 stainless steel belongs to the iron alloys classification, while grade 35 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4588 stainless steel and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
5.6
Fatigue Strength, MPa 190
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
41
Tensile Strength: Ultimate (UTS), MPa 540
1000
Tensile Strength: Yield (Proof), MPa 240
630

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1450
1630
Melting Onset (Solidus), °C 1410
1580
Specific Heat Capacity, J/kg-K 460
550
Thermal Conductivity, W/m-K 15
7.4
Thermal Expansion, µm/m-K 17
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
37
Density, g/cm3 8.1
4.6
Embodied Carbon, kg CO2/kg material 6.2
33
Embodied Energy, MJ/kg 84
530
Embodied Water, L/kg 200
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
49
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1830
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 18
61
Strength to Weight: Bending, points 18
49
Thermal Diffusivity, mm2/s 4.0
3.0
Thermal Shock Resistance, points 11
70

Alloy Composition

Aluminum (Al), % 0
4.0 to 5.0
Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 0.5 to 1.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 41.2 to 50.4
0.2 to 0.8
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 6.0 to 7.0
1.5 to 2.5
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0.1 to 0.25
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0.2 to 0.4
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0
1.1 to 2.1
Residuals, % 0
0 to 0.4