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EN 1.4405 Stainless Steel vs. Grade 16 Titanium

EN 1.4405 stainless steel belongs to the iron alloys classification, while grade 16 titanium belongs to the titanium alloys. There are 28 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 1.4405 stainless steel and the bottom bar is grade 16 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
23
Fatigue Strength, MPa 370
240
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
38
Tensile Strength: Ultimate (UTS), MPa 860
400
Tensile Strength: Yield (Proof), MPa 610
340

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Maximum Temperature: Mechanical, °C 870
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 17
22
Thermal Expansion, µm/m-K 11
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.8
36
Embodied Energy, MJ/kg 39
600
Embodied Water, L/kg 130
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
86
Resilience: Unit (Modulus of Resilience), kJ/m3 950
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 31
25
Strength to Weight: Bending, points 26
27
Thermal Diffusivity, mm2/s 4.6
8.9
Thermal Shock Resistance, points 29
29

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 15 to 17
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 73.6 to 80.3
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.7 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
98.8 to 99.96
Residuals, % 0
0 to 0.4