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Grade Ti-Pd17 Titanium vs. S32202 Stainless Steel

Grade Ti-Pd17 titanium belongs to the titanium alloys classification, while S32202 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 Ti-Pd17 titanium and the bottom bar is S32202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 140
400
Poisson's Ratio 0.32
0.27
Rockwell C Hardness 21
27
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 270
730
Tensile Strength: Yield (Proof), MPa 190
510

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
1030
Melting Completion (Liquidus), °C 1660
1430
Melting Onset (Solidus), °C 1610
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.4

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 36
2.6
Embodied Energy, MJ/kg 600
37
Embodied Water, L/kg 230
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
220
Resilience: Unit (Modulus of Resilience), kJ/m3 180
650
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
27
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 8.8
4.0
Thermal Shock Resistance, points 21
20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
21.5 to 24
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
69.4 to 77.3
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.45
Nickel (Ni), % 0 to 0.030
1.0 to 2.8
Nitrogen (N), % 0
0.18 to 0.26
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 98.9 to 99.96
0
Residuals, % 0 to 0.4
0