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ASTM B541 Gold vs. Grade 36 Titanium

ASTM B541 gold belongs to the otherwise unclassified metals classification, while grade 36 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM B541 gold and the bottom bar is grade 36 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.0 to 14
11
Poisson's Ratio 0.4
0.36
Shear Modulus, GPa 38
39
Shear Strength, MPa 410 to 690
320
Tensile Strength: Ultimate (UTS), MPa 670 to 1180
530
Tensile Strength: Yield (Proof), MPa 480 to 900
520

Thermal Properties

Latent Heat of Fusion, J/g 90
370
Melting Completion (Liquidus), °C 1110
2020
Melting Onset (Solidus), °C 930
1950
Specific Heat Capacity, J/kg-K 170
420
Thermal Expansion, µm/m-K 13
8.1

Otherwise Unclassified Properties

Density, g/cm3 17
6.3

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 91
59
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 3830
1260
Stiffness to Weight: Axial, points 3.4
9.3
Stiffness to Weight: Bending, points 9.0
25
Strength to Weight: Axial, points 11 to 19
23
Strength to Weight: Bending, points 9.8 to 14
23
Thermal Shock Resistance, points 36 to 63
45

Alloy Composition

Carbon (C), % 0
0 to 0.030
Copper (Cu), % 13.5 to 15.5
0
Gold (Au), % 70.5 to 72.5
0
Hydrogen (H), % 0
0 to 0.0035
Iron (Fe), % 0
0 to 0.030
Niobium (Nb), % 0
42 to 47
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.16
Platinum (Pt), % 8.0 to 9.0
0
Silver (Ag), % 4.0 to 5.0
0
Titanium (Ti), % 0
52.3 to 58
Zinc (Zn), % 0.7 to 1.3
0
Residuals, % 0
0 to 0.4