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SAE-AISI 5120 Steel vs. AWS BVAg-6b

SAE-AISI 5120 steel belongs to the iron alloys classification, while AWS BVAg-6b belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5120 steel and the bottom bar is AWS BVAg-6b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
93
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 500
180

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Melting Completion (Liquidus), °C 1460
870
Melting Onset (Solidus), °C 1420
780
Specific Heat Capacity, J/kg-K 470
310
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.7
Embodied Carbon, kg CO2/kg material 1.4
49
Embodied Energy, MJ/kg 19
770

Common Calculations

Stiffness to Weight: Axial, points 13
5.3
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 18
5.1
Strength to Weight: Bending, points 18
7.3
Thermal Shock Resistance, points 16
7.4

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.17 to 0.22
0 to 0.0050
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
49 to 51
Iron (Fe), % 97.6 to 98.3
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.7 to 0.9
0
Phosphorus (P), % 0 to 0.035
0 to 0.0020
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
49 to 51
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.0010