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Grade 2 Titanium vs. ASTM A369 Grade FP5

Grade 2 titanium belongs to the titanium alloys classification, while ASTM A369 grade FP5 belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is ASTM A369 grade FP5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
20
Fatigue Strength, MPa 250
160
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
74
Shear Strength, MPa 270
300
Tensile Strength: Ultimate (UTS), MPa 420
470
Tensile Strength: Yield (Proof), MPa 360
240

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
510
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 22
40
Thermal Expansion, µm/m-K 9.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.3
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.7
Embodied Energy, MJ/kg 510
23
Embodied Water, L/kg 110
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
80
Resilience: Unit (Modulus of Resilience), kJ/m3 600
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 28
17
Thermal Diffusivity, mm2/s 8.9
11
Thermal Shock Resistance, points 32
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
4.0 to 6.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
92.1 to 95.3
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0