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Grade 2 Titanium vs. EN 1.4864 Stainless Steel

Grade 2 titanium belongs to the titanium alloys classification, while EN 1.4864 stainless steel belongs to the iron alloys. There are 31 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 2 titanium and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
33
Fatigue Strength, MPa 250
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
75
Shear Strength, MPa 270
430
Tensile Strength: Ultimate (UTS), MPa 420
650
Tensile Strength: Yield (Proof), MPa 360
260

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1390
Melting Onset (Solidus), °C 1610
1340
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 22
13
Thermal Expansion, µm/m-K 9.0
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
30
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 31
5.3
Embodied Energy, MJ/kg 510
75
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
170
Resilience: Unit (Modulus of Resilience), kJ/m3 600
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 28
21
Thermal Diffusivity, mm2/s 8.9
3.3
Thermal Shock Resistance, points 32
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
15 to 17
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
41.7 to 51
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0 to 0.030
0 to 0.1
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0