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AWS BVAu-7 vs. Grade 200 Maraging Steel

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while grade 200 maraging steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-7 and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
190
Poisson's Ratio 0.38
0.3
Shear Modulus, GPa 45
74
Tensile Strength: Ultimate (UTS), MPa 200
970 to 1500

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Melting Completion (Liquidus), °C 1120
1460
Melting Onset (Solidus), °C 1100
1420
Specific Heat Capacity, J/kg-K 240
460
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Density, g/cm3 15
8.2

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 3.7
33 to 51
Strength to Weight: Bending, points 5.1
27 to 35
Thermal Shock Resistance, points 8.9
29 to 45

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Cadmium (Cd), % 0 to 0.0010
0
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.0050
0 to 0.030
Cobalt (Co), % 0 to 0.060
8.0 to 9.0
Gold (Au), % 49.5 to 50.5
0
Iron (Fe), % 0
67.8 to 71.8
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 24.5 to 25.5
17 to 19
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.25
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0 to 0.020