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AWS BVAu-4 vs. SAE-AISI H42 Steel

AWS BVAu-4 belongs to the otherwise unclassified metals classification, while SAE-AISI H42 steel belongs to the iron alloys. There are 15 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 AWS BVAu-4 and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 190
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 100
260
Melting Completion (Liquidus), °C 950
1620
Melting Onset (Solidus), °C 950
1570
Specific Heat Capacity, J/kg-K 190
440
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Density, g/cm3 17
8.4

Common Calculations

Stiffness to Weight: Axial, points 3.6
13
Stiffness to Weight: Bending, points 9.3
23
Strength to Weight: Axial, points 3.0
23 to 65
Strength to Weight: Bending, points 4.2
21 to 42
Thermal Shock Resistance, points 8.7
20 to 57

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.55 to 0.7
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Gold (Au), % 81.5 to 82.5
0
Iron (Fe), % 0
79.3 to 83.8
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 17.5 to 18.5
0 to 0.3
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2
Zinc (Zn), % 0 to 0.0010
0