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R56401 Titanium vs. EN 1.4512 Stainless Steel

R56401 titanium belongs to the titanium alloys classification, while EN 1.4512 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is R56401 titanium and the bottom bar is EN 1.4512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 9.1
28
Fatigue Strength, MPa 480
180
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 560
310
Tensile Strength: Ultimate (UTS), MPa 940
470
Tensile Strength: Yield (Proof), MPa 850
240

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 340
720
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1400
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
25
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
6.5
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 38
2.0
Embodied Energy, MJ/kg 610
27
Embodied Water, L/kg 200
95

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 59
17
Strength to Weight: Bending, points 48
17
Thermal Diffusivity, mm2/s 2.9
6.7
Thermal Shock Resistance, points 67
17

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
84.8 to 89.5
Manganese (Mn), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 88.5 to 91
0 to 0.65
Vanadium (V), % 3.5 to 4.5
0