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Grade 2 Titanium vs. ASTM A182 Grade F5a

Grade 2 titanium belongs to the titanium alloys classification, while ASTM A182 grade F5a belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
310
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
25
Fatigue Strength, MPa 250
380
Poisson's Ratio 0.32
0.29
Reduction in Area, % 37
56
Shear Modulus, GPa 38
74
Shear Strength, MPa 270
450
Tensile Strength: Ultimate (UTS), MPa 420
710
Tensile Strength: Yield (Proof), MPa 360
520

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
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.8
Embodied Energy, MJ/kg 510
24
Embodied Water, L/kg 110
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
160
Resilience: Unit (Modulus of Resilience), kJ/m3 600
700
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 28
23
Thermal Diffusivity, mm2/s 8.9
11
Thermal Shock Resistance, points 32
20

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.25
Chromium (Cr), % 0
4.0 to 6.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
91.4 to 95.6
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0