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Grade 11 Titanium vs. EN 1.4877 Stainless Steel

Grade 11 titanium belongs to the titanium alloys classification, while EN 1.4877 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 11 titanium and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 29
36
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
79
Shear Strength, MPa 200
420
Tensile Strength: Ultimate (UTS), MPa 310
630
Tensile Strength: Yield (Proof), MPa 230
200

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
1150
Melting Completion (Liquidus), °C 1660
1400
Melting Onset (Solidus), °C 1610
1360
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 9.2
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 47
6.2
Embodied Energy, MJ/kg 800
89
Embodied Water, L/kg 470
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
180
Resilience: Unit (Modulus of Resilience), kJ/m3 240
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 8.9
3.2
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.080
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
36.4 to 42.3
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0 to 0.030
0 to 0.1
Oxygen (O), % 0 to 0.18
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 98.8 to 99.88
0
Residuals, % 0 to 0.4
0