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Grade Ti-Pd8A Titanium vs. SAE-AISI 1038 Steel

Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while SAE-AISI 1038 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-Pd8A titanium and the bottom bar is SAE-AISI 1038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 13
14 to 20
Fatigue Strength, MPa 260
220 to 350
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 500
590 to 640
Tensile Strength: Yield (Proof), MPa 430
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 49
1.4
Embodied Energy, MJ/kg 840
18
Embodied Water, L/kg 520
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 880
270 to 790
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 31
21 to 23
Strength to Weight: Bending, points 31
20 to 21
Thermal Diffusivity, mm2/s 8.6
14
Thermal Shock Resistance, points 39
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.1
0.35 to 0.42
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
98.6 to 99.05
Manganese (Mn), % 0
0.6 to 0.9
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Palladium (Pd), % 0.12 to 0.3
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 98.8 to 99.9
0
Residuals, % 0 to 0.4
0