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Grade 1 Titanium vs. EN 1.4911 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while EN 1.4911 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 1 titanium and the bottom bar is EN 1.4911 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 28
11
Fatigue Strength, MPa 170
530
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 200
640
Tensile Strength: Ultimate (UTS), MPa 310
1070
Tensile Strength: Yield (Proof), MPa 220
970

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
700
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 20
20
Thermal Expansion, µm/m-K 8.8
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
20
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
3.4
Embodied Energy, MJ/kg 510
49
Embodied Water, L/kg 110
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
2410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
38
Strength to Weight: Bending, points 23
30
Thermal Diffusivity, mm2/s 8.2
5.4
Thermal Shock Resistance, points 24
37

Alloy Composition

Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0 to 0.080
0.050 to 0.12
Chromium (Cr), % 0
9.8 to 11.2
Cobalt (Co), % 0
5.0 to 7.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
75.7 to 83.8
Manganese (Mn), % 0
0.3 to 1.3
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0
0.2 to 1.2
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0 to 0.030
0 to 0.035
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.1 to 0.8
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99.095 to 100
0
Tungsten (W), % 0
0 to 0.7
Vanadium (V), % 0
0.1 to 0.4
Residuals, % 0 to 0.4
0