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S32101 Stainless Steel vs. Grade 36 Titanium

S32101 stainless steel belongs to the iron alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 25 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 S32101 stainless steel and the bottom bar is grade 36 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
11
Fatigue Strength, MPa 400
300
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 78
39
Shear Strength, MPa 490
320
Tensile Strength: Ultimate (UTS), MPa 740
530
Tensile Strength: Yield (Proof), MPa 500
520

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Maximum Temperature: Mechanical, °C 1000
320
Melting Completion (Liquidus), °C 1420
2020
Melting Onset (Solidus), °C 1370
1950
Specific Heat Capacity, J/kg-K 480
420
Thermal Expansion, µm/m-K 13
8.1

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.3
Embodied Carbon, kg CO2/kg material 2.6
58
Embodied Energy, MJ/kg 38
920
Embodied Water, L/kg 150
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
59
Resilience: Unit (Modulus of Resilience), kJ/m3 640
1260
Stiffness to Weight: Axial, points 14
9.3
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 20
45

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 21 to 22
0
Copper (Cu), % 0.1 to 0.8
0
Hydrogen (H), % 0
0 to 0.0035
Iron (Fe), % 67.3 to 73.3
0 to 0.030
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 0.1 to 0.8
0
Nickel (Ni), % 1.4 to 1.7
0
Niobium (Nb), % 0
42 to 47
Nitrogen (N), % 0.2 to 0.25
0 to 0.030
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
52.3 to 58
Residuals, % 0
0 to 0.4