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S32506 Stainless Steel vs. Grade 7 Titanium

S32506 stainless steel belongs to the iron alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 30 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 S32506 stainless steel and the bottom bar is grade 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
150
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 21
24
Fatigue Strength, MPa 330
250
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 81
38
Shear Strength, MPa 440
270
Tensile Strength: Ultimate (UTS), MPa 710
420
Tensile Strength: Yield (Proof), MPa 500
340

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 16
22
Thermal Expansion, µm/m-K 13
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 3.9
47
Embodied Energy, MJ/kg 54
800
Embodied Water, L/kg 180
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
95
Resilience: Unit (Modulus of Resilience), kJ/m3 620
560
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 23
28
Thermal Diffusivity, mm2/s 4.3
8.9
Thermal Shock Resistance, points 19
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 60.8 to 67.4
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 5.5 to 7.2
0
Nitrogen (N), % 0.080 to 0.2
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.9
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98.7 to 99.88
Tungsten (W), % 0.050 to 0.3
0
Residuals, % 0
0 to 0.4