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Grade 15 Titanium vs. EN 1.4835 Stainless Steel

Grade 15 titanium belongs to the titanium alloys classification, while EN 1.4835 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 15 titanium and the bottom bar is EN 1.4835 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 20
43
Fatigue Strength, MPa 290
310
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Shear Strength, MPa 340
520
Tensile Strength: Ultimate (UTS), MPa 540
750
Tensile Strength: Yield (Proof), MPa 430
350

Thermal Properties

Latent Heat of Fusion, J/g 420
320
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
490
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
17
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 32
3.3
Embodied Energy, MJ/kg 520
47
Embodied Water, L/kg 210
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 870
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 33
27
Strength to Weight: Bending, points 33
24
Thermal Diffusivity, mm2/s 8.4
4.0
Thermal Shock Resistance, points 41
16

Alloy Composition

Carbon (C), % 0 to 0.080
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
20 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
62 to 68.4
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.4 to 0.6
10 to 12
Nitrogen (N), % 0 to 0.050
0.12 to 0.2
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.045
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
1.4 to 2.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.2 to 99.56
0
Residuals, % 0 to 0.4
0