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Grade 2 Titanium vs. EN 1.4034 Stainless Steel

Grade 2 titanium belongs to the titanium alloys classification, while EN 1.4034 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is EN 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
11 to 14
Fatigue Strength, MPa 250
230 to 400
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
76
Shear Strength, MPa 270
420 to 540
Tensile Strength: Ultimate (UTS), MPa 420
690 to 900
Tensile Strength: Yield (Proof), MPa 360
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
770
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 22
30
Thermal Expansion, µm/m-K 9.0
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
7.0
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
2.0
Embodied Energy, MJ/kg 510
27
Embodied Water, L/kg 110
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 600
400 to 1370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 26
25 to 32
Strength to Weight: Bending, points 28
22 to 27
Thermal Diffusivity, mm2/s 8.9
8.1
Thermal Shock Resistance, points 32
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.080
0.43 to 0.5
Chromium (Cr), % 0
12.5 to 14.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
83 to 87.1
Manganese (Mn), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0