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Grade 7 Titanium vs. EN 1.4869 Casting Alloy

Grade 7 titanium belongs to the titanium alloys classification, while EN 1.4869 casting alloy belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 7 titanium and the bottom bar is EN 1.4869 casting alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 24
5.7
Fatigue Strength, MPa 250
130
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
80
Tensile Strength: Ultimate (UTS), MPa 420
540
Tensile Strength: Yield (Proof), MPa 340
310

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
1200
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 22
10
Thermal Expansion, µm/m-K 9.2
13

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.5
Embodied Carbon, kg CO2/kg material 47
7.7
Embodied Energy, MJ/kg 800
110
Embodied Water, L/kg 470
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
26
Resilience: Unit (Modulus of Resilience), kJ/m3 560
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 28
17
Thermal Diffusivity, mm2/s 8.9
2.6
Thermal Shock Resistance, points 31
14

Alloy Composition

Carbon (C), % 0 to 0.080
0.45 to 0.55
Chromium (Cr), % 0
24 to 26
Cobalt (Co), % 0
14 to 16
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
11.4 to 23.6
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.7 to 99.88
0
Tungsten (W), % 0
4.0 to 6.0
Residuals, % 0 to 0.4
0