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Grade 6 Titanium vs. EN 1.4923 Stainless Steel

Grade 6 titanium belongs to the titanium alloys classification, while EN 1.4923 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
12 to 21
Fatigue Strength, MPa 290
300 to 440
Poisson's Ratio 0.32
0.28
Reduction in Area, % 27
40 to 46
Shear Modulus, GPa 39
76
Shear Strength, MPa 530
540 to 590
Tensile Strength: Ultimate (UTS), MPa 890
870 to 980
Tensile Strength: Yield (Proof), MPa 840
470 to 780

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 310
740
Melting Completion (Liquidus), °C 1580
1450
Melting Onset (Solidus), °C 1530
1410
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.8
24
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
8.0
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 30
2.9
Embodied Energy, MJ/kg 480
41
Embodied Water, L/kg 190
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
570 to 1580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 55
31 to 35
Strength to Weight: Bending, points 46
26 to 28
Thermal Diffusivity, mm2/s 3.2
6.5
Thermal Shock Resistance, points 65
30 to 34

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0.18 to 0.24
Chromium (Cr), % 0
11 to 12.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
83.5 to 87.1
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0
0.3 to 0.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Vanadium (V), % 0
0.25 to 0.35
Residuals, % 0 to 0.4
0