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EN 1.3975 Stainless Steel vs. Grade 17 Titanium

EN 1.3975 stainless steel belongs to the iron alloys classification, while grade 17 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3975 stainless steel and the bottom bar is grade 17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 27
27
Fatigue Strength, MPa 230
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
38
Tensile Strength: Ultimate (UTS), MPa 660
270
Tensile Strength: Yield (Proof), MPa 320
210

Thermal Properties

Latent Heat of Fusion, J/g 340
420
Maximum Temperature: Mechanical, °C 910
320
Melting Completion (Liquidus), °C 1360
1660
Melting Onset (Solidus), °C 1320
1610
Specific Heat Capacity, J/kg-K 500
540
Thermal Expansion, µm/m-K 16
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.5
4.5
Embodied Carbon, kg CO2/kg material 3.3
36
Embodied Energy, MJ/kg 47
600
Embodied Water, L/kg 150
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
68
Resilience: Unit (Modulus of Resilience), kJ/m3 270
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
35
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 58.2 to 65.4
0 to 0.2
Manganese (Mn), % 7.0 to 9.0
0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.015 to 99.96
Residuals, % 0
0 to 0.4