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AWS BVAu-7 vs. S32750 Stainless Steel

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while S32750 stainless steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-7 and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
210
Poisson's Ratio 0.38
0.27
Shear Modulus, GPa 45
81
Tensile Strength: Ultimate (UTS), MPa 200
860

Thermal Properties

Latent Heat of Fusion, J/g 140
300
Melting Completion (Liquidus), °C 1120
1450
Melting Onset (Solidus), °C 1100
1400
Specific Heat Capacity, J/kg-K 240
480
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Density, g/cm3 15
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.7
15
Stiffness to Weight: Bending, points 11
25
Strength to Weight: Axial, points 3.7
31
Strength to Weight: Bending, points 5.1
26
Thermal Shock Resistance, points 8.9
25

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.030
Chromium (Cr), % 0
24 to 26
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
0 to 0.5
Gold (Au), % 49.5 to 50.5
0
Iron (Fe), % 0
58.1 to 66.8
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 24.5 to 25.5
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.0010
0