MakeItFrom.com
Menu (ESC)

Grade 27 Titanium vs. AISI 414 Stainless Steel

Grade 27 titanium belongs to the titanium alloys classification, while AISI 414 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
17
Fatigue Strength, MPa 170
430 to 480
Poisson's Ratio 0.32
0.28
Reduction in Area, % 34
50
Shear Modulus, GPa 41
76
Shear Strength, MPa 180
550 to 590
Tensile Strength: Ultimate (UTS), MPa 270
900 to 960
Tensile Strength: Yield (Proof), MPa 230
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
750
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
25
Thermal Expansion, µm/m-K 8.7
10

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
8.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 33
2.1
Embodied Energy, MJ/kg 530
29
Embodied Water, L/kg 320
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1260 to 1590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
32 to 34
Strength to Weight: Bending, points 21
27 to 28
Thermal Diffusivity, mm2/s 8.8
6.7
Thermal Shock Resistance, points 21
33 to 35

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
11.5 to 13.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
81.8 to 87.3
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
1.3 to 2.5
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 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0 to 0.4
0