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Grade 27 Titanium vs. EN 1.4835 Stainless Steel

Grade 27 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 27 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, % 27
43
Fatigue Strength, MPa 170
310
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Shear Strength, MPa 180
520
Tensile Strength: Ultimate (UTS), MPa 270
750
Tensile Strength: Yield (Proof), MPa 230
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 3.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
17
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
3.3
Embodied Energy, MJ/kg 530
47
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
270
Resilience: Unit (Modulus of Resilience), kJ/m3 240
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
27
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 8.8
4.0
Thermal Shock Resistance, points 21
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 0.2
62 to 68.4
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
10 to 12
Nitrogen (N), % 0 to 0.030
0.12 to 0.2
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.045
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
1.4 to 2.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0 to 0.4
0