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AWS BAg-22 vs. SAE-AISI 4820 Steel

AWS BAg-22 belongs to the otherwise unclassified metals classification, while SAE-AISI 4820 steel belongs to the iron alloys. 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 AWS BAg-22 and the bottom bar is SAE-AISI 4820 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 140
570

Thermal Properties

Latent Heat of Fusion, J/g 150
250
Melting Completion (Liquidus), °C 700
1460
Melting Onset (Solidus), °C 680
1420
Specific Heat Capacity, J/kg-K 320
470
Thermal Expansion, µm/m-K 21
11

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 48
1.8
Embodied Energy, MJ/kg 760
24

Common Calculations

Stiffness to Weight: Axial, points 5.9
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 4.3
20
Strength to Weight: Bending, points 6.6
19
Thermal Shock Resistance, points 5.1
19

Alloy Composition


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Carbon (C), % 0
0.18 to 0.23
Copper (Cu), % 15 to 17
0
Iron (Fe), % 0
94.6 to 95.7
Manganese (Mn), % 7.0 to 8.0
0.5 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 4.0 to 5.0
3.3 to 3.8
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 48 to 50
0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 21 to 25
0
Residuals, % 0 to 0.15
0