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Grade 32 Titanium vs. EN 1.4859 Stainless Steel

Grade 32 titanium belongs to the titanium alloys classification, while EN 1.4859 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 32 titanium and the bottom bar is EN 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
23
Fatigue Strength, MPa 390
140
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 770
490
Tensile Strength: Yield (Proof), MPa 670
210

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 310
1050
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1360
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.5
13
Thermal Expansion, µm/m-K 8.2
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 38
36
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 32
6.2
Embodied Energy, MJ/kg 530
88
Embodied Water, L/kg 180
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
91
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 47
17
Strength to Weight: Bending, points 41
17
Thermal Diffusivity, mm2/s 3.0
3.4
Thermal Shock Resistance, points 63
11

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
40.3 to 49
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.6 to 1.2
0 to 0.5
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.060 to 0.14
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
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