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SAE-AISI 50B44 Steel vs. AWS BVAu-7

SAE-AISI 50B44 steel belongs to the iron alloys classification, while AWS BVAu-7 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 50B44 steel and the bottom bar is AWS BVAu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
130
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 73
45
Tensile Strength: Ultimate (UTS), MPa 570
200

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 1460
1120
Melting Onset (Solidus), °C 1420
1100
Specific Heat Capacity, J/kg-K 470
240
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 7.8
15

Common Calculations

Stiffness to Weight: Axial, points 13
4.7
Stiffness to Weight: Bending, points 24
11
Strength to Weight: Axial, points 20
3.7
Strength to Weight: Bending, points 20
5.1
Thermal Shock Resistance, points 17
8.9

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.43 to 0.48
0 to 0.0050
Chromium (Cr), % 0.2 to 0.6
0
Cobalt (Co), % 0
0 to 0.060
Gold (Au), % 0
49.5 to 50.5
Iron (Fe), % 97.5 to 98.5
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.75 to 1.0
0
Nickel (Ni), % 0
24.5 to 25.5
Palladium (Pd), % 0
23.9 to 26
Phosphorus (P), % 0 to 0.035
0 to 0.0020
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.0010