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Grade Ti-Pd18 Titanium vs. ASTM A27 Cast Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while ASTM A27 cast steel belongs to the iron alloys. There are 28 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 ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
25 to 27
Fatigue Strength, MPa 350
170 to 230
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 710
460 to 550
Tensile Strength: Yield (Proof), MPa 540
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 330
400
Melting Completion (Liquidus), °C 1640
1460
Melting Onset (Solidus), °C 1590
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 8.2
52
Thermal Expansion, µm/m-K 9.1
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.0 to 7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 41
1.4
Embodied Energy, MJ/kg 670
18
Embodied Water, L/kg 270
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
140 to 260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 44
16 to 20
Strength to Weight: Bending, points 39
17 to 19
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 52
15 to 18