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ASTM A369 Grade FP22 vs. Grade Ti-Pd7B Titanium

ASTM A369 grade FP22 belongs to the iron alloys classification, while grade Ti-Pd7B titanium belongs to the titanium 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 ASTM A369 grade FP22 and the bottom bar is grade Ti-Pd7B titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
17
Fatigue Strength, MPa 160
200
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 470
390
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Maximum Temperature: Mechanical, °C 460
320
Melting Completion (Liquidus), °C 1470
1660
Melting Onset (Solidus), °C 1430
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 39
22
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
7.1

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.7
49
Embodied Energy, MJ/kg 23
840
Embodied Water, L/kg 58
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
62
Resilience: Unit (Modulus of Resilience), kJ/m3 150
440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 11
8.9
Thermal Shock Resistance, points 14
30

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 1.9 to 2.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 95 to 96.9
0 to 0.2
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.87 to 1.1
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Palladium (Pd), % 0
0.12 to 0.3
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
98.8 to 99.9
Residuals, % 0
0 to 0.4