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AWS BVAu-7 vs. EN 1.4859 Stainless Steel

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while EN 1.4859 stainless steel belongs to the iron alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-7 and the bottom bar is EN 1.4859 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
76
Tensile Strength: Ultimate (UTS), MPa 200
490

Thermal Properties

Latent Heat of Fusion, J/g 140
310
Melting Completion (Liquidus), °C 1120
1410
Melting Onset (Solidus), °C 1100
1360
Specific Heat Capacity, J/kg-K 240
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Density, g/cm3 15
8.0

Common Calculations

Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 11
24
Strength to Weight: Axial, points 3.7
17
Strength to Weight: Bending, points 5.1
17
Thermal Shock Resistance, points 8.9
11

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0 to 0.060
0
Gold (Au), % 49.5 to 50.5
0
Iron (Fe), % 0
40.3 to 49
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 24.5 to 25.5
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0010
0