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S32654 Stainless Steel vs. Grade 30 Titanium

S32654 stainless steel belongs to the iron alloys classification, while grade 30 titanium belongs to the titanium 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 S32654 stainless steel and the bottom bar is grade 30 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 45
23
Fatigue Strength, MPa 450
250
Poisson's Ratio 0.28
0.32
Reduction in Area, % 46
34
Shear Modulus, GPa 82
41
Shear Strength, MPa 590
240
Tensile Strength: Ultimate (UTS), MPa 850
390
Tensile Strength: Yield (Proof), MPa 490
350

Thermal Properties

Latent Heat of Fusion, J/g 310
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1410
1610
Specific Heat Capacity, J/kg-K 460
540
Thermal Conductivity, W/m-K 11
21
Thermal Expansion, µm/m-K 15
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
6.9

Otherwise Unclassified Properties

Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 6.4
36
Embodied Energy, MJ/kg 87
600
Embodied Water, L/kg 220
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
86
Resilience: Unit (Modulus of Resilience), kJ/m3 570
590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
26
Thermal Diffusivity, mm2/s 2.9
8.6
Thermal Shock Resistance, points 19
30

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 24 to 25
0
Cobalt (Co), % 0
0.2 to 0.8
Copper (Cu), % 0.3 to 0.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 38.3 to 45.3
0 to 0.3
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.45 to 0.55
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0
98 to 99.76
Residuals, % 0
0 to 0.4