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Grade 32 Titanium vs. EN 1.4878 Stainless Steel

Grade 32 titanium belongs to the titanium alloys classification, while EN 1.4878 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 32 titanium and the bottom bar is EN 1.4878 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
45
Fatigue Strength, MPa 390
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 460
430
Tensile Strength: Ultimate (UTS), MPa 770
610
Tensile Strength: Yield (Proof), MPa 670
210

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 310
850
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.5
15
Thermal Expansion, µm/m-K 8.2
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 38
16
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 32
3.2
Embodied Energy, MJ/kg 530
46
Embodied Water, L/kg 180
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
210
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 47
22
Strength to Weight: Bending, points 41
20
Thermal Diffusivity, mm2/s 3.0
4.0
Thermal Shock Resistance, points 63
13

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0
17 to 19
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
65 to 74
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0.6 to 1.2
0
Nickel (Ni), % 0
9.0 to 12
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.045
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 to 0.8
Vanadium (V), % 0.6 to 1.4
0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0