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Grade Ti-Pd17 Titanium vs. EN 1.4749 Stainless Steel

Grade Ti-Pd17 titanium belongs to the titanium alloys classification, while EN 1.4749 stainless steel belongs to the iron alloys. There are 29 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 grade Ti-Pd17 titanium and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 22
16
Fatigue Strength, MPa 140
190
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 270
600
Tensile Strength: Yield (Proof), MPa 190
320

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1380
Specific Heat Capacity, J/kg-K 540
490
Thermal Conductivity, W/m-K 21
17
Thermal Expansion, µm/m-K 8.7
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
2.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 36
2.5
Embodied Energy, MJ/kg 600
36
Embodied Water, L/kg 230
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
80
Resilience: Unit (Modulus of Resilience), kJ/m3 180
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 8.8
4.6
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.1
0.15 to 0.2
Chromium (Cr), % 0
26 to 29
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
68.5 to 73.7
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.030
0
Nitrogen (N), % 0
0.15 to 0.25
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 0.015
Titanium (Ti), % 98.9 to 99.96
0
Residuals, % 0 to 0.4
0