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AWS BVAu-7 vs. SAE-AISI M2 Steel

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while SAE-AISI M2 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.

For each property being compared, the top bar is AWS BVAu-7 and the bottom bar is SAE-AISI M2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
200
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 45
77
Tensile Strength: Ultimate (UTS), MPa 200
760 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Melting Completion (Liquidus), °C 1120
1610
Melting Onset (Solidus), °C 1100
1570
Specific Heat Capacity, J/kg-K 240
440
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Density, g/cm3 15
8.4

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 3.7
25 to 71
Strength to Weight: Bending, points 5.1
22 to 44
Thermal Shock Resistance, points 8.9
27 to 76

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.78 to 1.1
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
0 to 0.25
Gold (Au), % 49.5 to 50.5
0
Iron (Fe), % 0
78.5 to 83.4
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), % 24.5 to 25.5
0 to 0.3
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
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