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Grade 6 Titanium vs. AISI 414 Stainless Steel

Grade 6 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 6 titanium and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
17
Fatigue Strength, MPa 290
430 to 480
Poisson's Ratio 0.32
0.28
Reduction in Area, % 27
50
Shear Modulus, GPa 39
76
Shear Strength, MPa 530
550 to 590
Tensile Strength: Ultimate (UTS), MPa 890
900 to 960
Tensile Strength: Yield (Proof), MPa 840
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 310
750
Melting Completion (Liquidus), °C 1580
1440
Melting Onset (Solidus), °C 1530
1400
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
25
Thermal Expansion, µm/m-K 9.4
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
8.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
2.1
Embodied Energy, MJ/kg 480
29
Embodied Water, L/kg 190
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
1260 to 1590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
32 to 34
Strength to Weight: Bending, points 46
27 to 28
Thermal Diffusivity, mm2/s 3.2
6.7
Thermal Shock Resistance, points 65
33 to 35

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
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 0.5
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 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0