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Grade 4 Titanium vs. EN 1.4600 Stainless Steel

Grade 4 titanium belongs to the titanium alloys classification, while EN 1.4600 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 4 titanium and the bottom bar is EN 1.4600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
23
Fatigue Strength, MPa 340
290
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 390
360
Tensile Strength: Ultimate (UTS), MPa 640
580
Tensile Strength: Yield (Proof), MPa 530
430

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
730
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 19
27
Thermal Expansion, µm/m-K 9.4
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
3.4

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 500
28
Embodied Water, L/kg 110
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1330
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 40
21
Strength to Weight: Bending, points 37
20
Thermal Diffusivity, mm2/s 7.6
7.3
Thermal Shock Resistance, points 46
21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
11 to 13
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
82 to 87.7
Manganese (Mn), % 0
1.0 to 2.5
Nickel (Ni), % 0
0.3 to 1.0
Nitrogen (N), % 0 to 0.050
0 to 0.025
Oxygen (O), % 0 to 0.4
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.6 to 100
0 to 0.35
Residuals, % 0 to 0.4
0