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ASTM A182 Grade F6b vs. ASTM B596 Au-Cu

ASTM A182 grade F6b belongs to the iron alloys classification, while ASTM B596 Au-Cu belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (15, 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 A182 grade F6b and the bottom bar is ASTM B596 Au-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 18
4.3 to 17
Poisson's Ratio 0.28
0.41
Shear Modulus, GPa 76
36
Shear Strength, MPa 530
280 to 360
Tensile Strength: Ultimate (UTS), MPa 850
450 to 620

Thermal Properties

Latent Heat of Fusion, J/g 280
77
Melting Completion (Liquidus), °C 1450
1060
Melting Onset (Solidus), °C 1400
930
Specific Heat Capacity, J/kg-K 480
150
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
14
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
6.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
18

Common Calculations

Stiffness to Weight: Axial, points 14
3.1
Stiffness to Weight: Bending, points 25
8.5
Strength to Weight: Axial, points 30
6.8 to 9.4
Strength to Weight: Bending, points 26
7.1 to 8.8
Thermal Shock Resistance, points 31
22 to 30

Alloy Composition

Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.5
9.0 to 11
Gold (Au), % 0
89 to 91
Iron (Fe), % 81.2 to 87.1
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Residuals, % 0
0 to 0.4