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Grade 16 Titanium vs. EN 1.4003 Stainless Steel

Grade 16 titanium belongs to the titanium alloys classification, while EN 1.4003 stainless steel belongs to the iron 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 grade 16 titanium and the bottom bar is EN 1.4003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
22
Fatigue Strength, MPa 240
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
76
Shear Strength, MPa 250
340
Tensile Strength: Ultimate (UTS), MPa 400
540
Tensile Strength: Yield (Proof), MPa 340
320

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
720
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 22
25
Thermal Expansion, µm/m-K 9.2
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
3.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 36
1.9
Embodied Energy, MJ/kg 600
27
Embodied Water, L/kg 230
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
100
Resilience: Unit (Modulus of Resilience), kJ/m3 550
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 27
19
Thermal Diffusivity, mm2/s 8.9
6.7
Thermal Shock Resistance, points 29
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
83.9 to 89.2
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
0.3 to 1.0
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.8 to 99.96
0
Residuals, % 0 to 0.4
0