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Grade 32 Titanium vs. EN 1.4646 Stainless Steel

Grade 32 titanium belongs to the titanium alloys classification, while EN 1.4646 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 32 titanium and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 390
340
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 460
500
Tensile Strength: Ultimate (UTS), MPa 770
750
Tensile Strength: Yield (Proof), MPa 670
430

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 310
910
Melting Completion (Liquidus), °C 1610
1390
Melting Onset (Solidus), °C 1560
1340
Specific Heat Capacity, J/kg-K 550
480
Thermal Expansion, µm/m-K 8.2
17

Otherwise Unclassified Properties

Base Metal Price, % relative 38
13
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 32
2.8
Embodied Energy, MJ/kg 530
41
Embodied Water, L/kg 180
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
220
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 47
27
Strength to Weight: Bending, points 41
24
Thermal Shock Resistance, points 63
16

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Carbon (C), % 0 to 0.080
0.020 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
59 to 67.3
Manganese (Mn), % 0
10.5 to 12.5
Molybdenum (Mo), % 0.6 to 1.2
0 to 0.5
Nickel (Ni), % 0
3.5 to 4.5
Nitrogen (N), % 0 to 0.030
0.2 to 0.3
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.060 to 0.14
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0
Vanadium (V), % 0.6 to 1.4
0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0