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Grade 6 Titanium vs. EN 1.4615 Stainless Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.4615 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 6 titanium and the bottom bar is EN 1.4615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
50
Fatigue Strength, MPa 290
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 530
360
Tensile Strength: Ultimate (UTS), MPa 890
500
Tensile Strength: Yield (Proof), MPa 840
200

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 310
840
Melting Completion (Liquidus), °C 1580
1400
Melting Onset (Solidus), °C 1530
1360
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
15
Thermal Expansion, µm/m-K 9.4
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
13
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
2.8
Embodied Energy, MJ/kg 480
40
Embodied Water, L/kg 190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
200
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
99
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
18
Strength to Weight: Bending, points 46
18
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 65
11

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
14 to 16
Copper (Cu), % 0
2.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
63.1 to 72.5
Manganese (Mn), % 0
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0
4.5 to 6.0
Nitrogen (N), % 0 to 0.030
0.020 to 0.060
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 0.010
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0