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EN 1.7701 Steel vs. ASTM B541 Gold

EN 1.7701 steel belongs to the iron alloys classification, while ASTM B541 gold belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 EN 1.7701 steel and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 73
38
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
670 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 250
90
Melting Completion (Liquidus), °C 1460
1110
Melting Onset (Solidus), °C 1420
930
Specific Heat Capacity, J/kg-K 470
170
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.7 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
4.0 to 6.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.4
Stiffness to Weight: Bending, points 24
9.0
Strength to Weight: Axial, points 24 to 71
11 to 19
Strength to Weight: Bending, points 22 to 45
9.8 to 14
Thermal Shock Resistance, points 20 to 59
36 to 63

Alloy Composition

Carbon (C), % 0.48 to 0.56
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Iron (Fe), % 96.2 to 97.7
0
Manganese (Mn), % 0.7 to 1.1
0
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.025
0
Platinum (Pt), % 0
8.0 to 9.0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
4.0 to 5.0
Sulfur (S), % 0 to 0.025
0
Vanadium (V), % 0.1 to 0.2
0
Zinc (Zn), % 0
0.7 to 1.3
Residuals, % 0
0 to 0.4

Comparable Variants