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ASTM A182 Grade F5a vs. Grade 20 Titanium

ASTM A182 grade F5a belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F5a and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
5.7 to 17
Fatigue Strength, MPa 380
550 to 630
Poisson's Ratio 0.29
0.32
Reduction in Area, % 56
23
Shear Modulus, GPa 74
47
Shear Strength, MPa 450
560 to 740
Tensile Strength: Ultimate (UTS), MPa 710
900 to 1270
Tensile Strength: Yield (Proof), MPa 520
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 510
370
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1600
Specific Heat Capacity, J/kg-K 470
520
Thermal Expansion, µm/m-K 13
9.6

Otherwise Unclassified Properties

Density, g/cm3 7.8
5.0
Embodied Carbon, kg CO2/kg material 1.8
52
Embodied Energy, MJ/kg 24
860
Embodied Water, L/kg 69
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 700
2940 to 5760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
33
Strength to Weight: Axial, points 25
50 to 70
Strength to Weight: Bending, points 23
41 to 52
Thermal Shock Resistance, points 20
55 to 77

Alloy Composition


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Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0 to 0.25
0 to 0.050
Chromium (Cr), % 4.0 to 6.0
5.5 to 6.5
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 91.4 to 95.6
0 to 0.3
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 0.44 to 0.65
3.5 to 4.5
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4