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AWS BVAu-7 vs. EN 1.4640 Stainless Steel

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while EN 1.4640 stainless steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-7 and the bottom bar is EN 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
200
Poisson's Ratio 0.38
0.28
Shear Modulus, GPa 45
77
Tensile Strength: Ultimate (UTS), MPa 200
620 to 650

Thermal Properties

Latent Heat of Fusion, J/g 140
280
Melting Completion (Liquidus), °C 1120
1420
Melting Onset (Solidus), °C 1100
1380
Specific Heat Capacity, J/kg-K 240
480
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Density, g/cm3 15
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 11
25
Strength to Weight: Axial, points 3.7
22 to 23
Strength to Weight: Bending, points 5.1
21
Thermal Shock Resistance, points 8.9
14 to 15

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.030 to 0.080
Chromium (Cr), % 0
18 to 19
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
1.3 to 2.0
Gold (Au), % 49.5 to 50.5
0
Iron (Fe), % 0
67.4 to 73.6
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
1.5 to 4.0
Nickel (Ni), % 24.5 to 25.5
5.5 to 6.9
Nitrogen (N), % 0
0.030 to 0.11
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0 to 0.045
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.0010
0