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S30601 Stainless Steel vs. Grade 25 Titanium

S30601 stainless steel belongs to the iron alloys classification, while grade 25 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S30601 stainless steel and the bottom bar is grade 25 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 37
11
Fatigue Strength, MPa 250
550
Poisson's Ratio 0.28
0.32
Reduction in Area, % 56
29
Shear Modulus, GPa 75
40
Shear Strength, MPa 450
600
Tensile Strength: Ultimate (UTS), MPa 660
1000
Tensile Strength: Yield (Proof), MPa 300
940

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 950
340
Melting Completion (Liquidus), °C 1360
1610
Melting Onset (Solidus), °C 1310
1560
Specific Heat Capacity, J/kg-K 500
560
Thermal Expansion, µm/m-K 15
9.6

Otherwise Unclassified Properties

Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 3.9
43
Embodied Energy, MJ/kg 55
700
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
4220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24
62
Strength to Weight: Bending, points 22
50
Thermal Shock Resistance, points 16
71

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.015
0 to 0.080
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 0 to 0.35
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 56.9 to 60.5
0 to 0.4
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 17 to 18
0.3 to 0.8
Nitrogen (N), % 0 to 0.050
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 5.0 to 5.6
0
Sulfur (S), % 0 to 0.013
0
Titanium (Ti), % 0
86.7 to 90.6
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4