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Grade 27 Titanium vs. EN 1.4713 Stainless Steel

Grade 27 titanium belongs to the titanium alloys classification, while EN 1.4713 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 1.4713 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
20
Fatigue Strength, MPa 170
160
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
74
Shear Strength, MPa 180
320
Tensile Strength: Ultimate (UTS), MPa 270
520
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
800
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
23
Thermal Expansion, µm/m-K 8.7
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.6
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
1.7
Embodied Energy, MJ/kg 530
24
Embodied Water, L/kg 320
84

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
84
Resilience: Unit (Modulus of Resilience), kJ/m3 240
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 8.8
6.2
Thermal Shock Resistance, points 21
18

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.0
Carbon (C), % 0 to 0.080
0 to 0.12
Chromium (Cr), % 0
6.0 to 8.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
88.8 to 93
Manganese (Mn), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0.5 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0 to 0.4
0