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SAE-AISI 4042 Steel vs. AWS BVAg-0

SAE-AISI 4042 steel belongs to the iron alloys classification, while AWS BVAg-0 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 4042 steel and the bottom bar is AWS BVAg-0.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 680
130

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Melting Completion (Liquidus), °C 1460
960
Melting Onset (Solidus), °C 1420
960
Specific Heat Capacity, J/kg-K 470
240
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 24
3.4
Strength to Weight: Bending, points 22
5.4
Thermal Shock Resistance, points 22
6.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.4 to 0.45
0 to 0.0050
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 97.9 to 98.6
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.7 to 0.9
0
Molybdenum (Mo), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.0020
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
99.95 to 100
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.0010