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Grade 6 Titanium vs. EN 1.4872 Stainless Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.4872 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 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 11
28
Fatigue Strength, MPa 290
410
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
79
Shear Strength, MPa 530
620
Tensile Strength: Ultimate (UTS), MPa 890
950
Tensile Strength: Yield (Proof), MPa 840
560

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 310
1150
Melting Completion (Liquidus), °C 1580
1390
Melting Onset (Solidus), °C 1530
1340
Specific Heat Capacity, J/kg-K 550
490
Thermal Conductivity, W/m-K 7.8
15
Thermal Expansion, µm/m-K 9.4
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
17
Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 30
3.3
Embodied Energy, MJ/kg 480
47
Embodied Water, L/kg 190
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
230
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
780
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 55
35
Strength to Weight: Bending, points 46
28
Thermal Diffusivity, mm2/s 3.2
3.9
Thermal Shock Resistance, points 65
21

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0.2 to 0.3
Chromium (Cr), % 0
24 to 26
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
54.2 to 61.6
Manganese (Mn), % 0
8.0 to 10
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0 to 0.030
0.2 to 0.4
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
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