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Grade Ti-Pd18 Titanium vs. EN 1.4826 Stainless Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while EN 1.4826 stainless steel belongs to the iron alloys. There are 29 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-Pd18 titanium and the bottom bar is EN 1.4826 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
150
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
9.1
Fatigue Strength, MPa 350
140
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 710
500
Tensile Strength: Yield (Proof), MPa 540
260

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 330
950
Melting Completion (Liquidus), °C 1640
1400
Melting Onset (Solidus), °C 1590
1360
Specific Heat Capacity, J/kg-K 550
490
Thermal Conductivity, W/m-K 8.2
14
Thermal Expansion, µm/m-K 9.1
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 41
3.3
Embodied Energy, MJ/kg 670
47
Embodied Water, L/kg 270
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
39
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 44
18
Strength to Weight: Bending, points 39
18
Thermal Diffusivity, mm2/s 3.3
3.7
Thermal Shock Resistance, points 52
11

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0.3 to 0.5
Chromium (Cr), % 0
21 to 23
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
60.4 to 68.7
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.050
9.0 to 11
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0