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Grade 6 Titanium vs. EN 1.4000 Stainless Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.4000 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is EN 1.4000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
22
Fatigue Strength, MPa 290
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 530
320
Tensile Strength: Ultimate (UTS), MPa 890
500
Tensile Strength: Yield (Proof), MPa 840
260

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 310
760
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
30
Thermal Expansion, µm/m-K 9.4
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
7.0
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 30
1.9
Embodied Energy, MJ/kg 480
27
Embodied Water, L/kg 190
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
91
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
180
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
8.1
Thermal Shock Resistance, points 65
18

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
12 to 14
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
83.9 to 88
Manganese (Mn), % 0
0 to 1.0
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 0.015
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0