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Grade 9 Titanium vs. EN 1.4419 Stainless Steel

Grade 9 titanium belongs to the titanium alloys classification, while EN 1.4419 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 9 titanium and the bottom bar is EN 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11 to 17
11 to 17
Fatigue Strength, MPa 330 to 480
230 to 680
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 430 to 580
410 to 950
Tensile Strength: Ultimate (UTS), MPa 700 to 960
660 to 1590
Tensile Strength: Yield (Proof), MPa 540 to 830
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 330
790
Melting Completion (Liquidus), °C 1640
1440
Melting Onset (Solidus), °C 1590
1400
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 8.1
30
Thermal Expansion, µm/m-K 9.1
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
8.0
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 36
2.2
Embodied Energy, MJ/kg 580
30
Embodied Water, L/kg 150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
350 to 3920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 43 to 60
24 to 57
Strength to Weight: Bending, points 39 to 48
22 to 39
Thermal Diffusivity, mm2/s 3.3
8.1
Thermal Shock Resistance, points 52 to 71
23 to 55

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0.36 to 0.42
Chromium (Cr), % 0
13 to 14.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
82 to 86
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.6 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 92.6 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0

Comparable Variants