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ASTM A356 Grade 10 vs. Grade 20 Titanium

ASTM A356 grade 10 belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 10 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, % 23
5.7 to 17
Fatigue Strength, MPa 300
550 to 630
Poisson's Ratio 0.29
0.32
Reduction in Area, % 39
23
Shear Modulus, GPa 74
47
Tensile Strength: Ultimate (UTS), MPa 670
900 to 1270
Tensile Strength: Yield (Proof), MPa 430
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 460
370
Melting Completion (Liquidus), °C 1470
1660
Melting Onset (Solidus), °C 1430
1600
Specific Heat Capacity, J/kg-K 470
520
Thermal Expansion, µm/m-K 13
9.6

Otherwise Unclassified Properties

Density, g/cm3 7.9
5.0
Embodied Carbon, kg CO2/kg material 1.8
52
Embodied Energy, MJ/kg 23
860
Embodied Water, L/kg 59
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 480
2940 to 5760
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
33
Strength to Weight: Axial, points 24
50 to 70
Strength to Weight: Bending, points 22
41 to 52
Thermal Shock Resistance, points 19
55 to 77

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0 to 0.2
0 to 0.050
Chromium (Cr), % 2.0 to 2.8
5.5 to 6.5
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 94.4 to 96.6
0 to 0.3
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.2
3.5 to 4.5
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 0.035
0
Silicon (Si), % 0 to 0.6
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