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Grade 12 Titanium vs. EN 1.4669 Stainless Steel

Grade 12 titanium belongs to the titanium alloys classification, while EN 1.4669 stainless steel belongs to the iron alloys. There are 31 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 12 titanium and the bottom bar is EN 1.4669 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
260
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 21
28
Fatigue Strength, MPa 280
330
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 39
78
Shear Strength, MPa 330
500
Tensile Strength: Ultimate (UTS), MPa 530
780
Tensile Strength: Yield (Proof), MPa 410
450

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
1030
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1370
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 31
2.6
Embodied Energy, MJ/kg 500
38
Embodied Water, L/kg 110
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 770
510
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 32
28
Strength to Weight: Bending, points 32
24
Thermal Diffusivity, mm2/s 8.5
4.0
Thermal Shock Resistance, points 37
21

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.045
Chromium (Cr), % 0
21.5 to 24
Copper (Cu), % 0
1.6 to 3.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
65.2 to 74.8
Manganese (Mn), % 0
1.0 to 3.0
Molybdenum (Mo), % 0.2 to 0.4
0 to 0.5
Nickel (Ni), % 0.6 to 0.9
1.0 to 3.0
Nitrogen (N), % 0 to 0.030
0.12 to 0.2
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 97.6 to 99.2
0
Residuals, % 0 to 0.4
0