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AWS BAg-20 vs. SAE-AISI 1140 Steel

AWS BAg-20 belongs to the otherwise unclassified metals classification, while SAE-AISI 1140 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-20 and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 35
72
Tensile Strength: Ultimate (UTS), MPa 160
600 to 700

Thermal Properties

Latent Heat of Fusion, J/g 150
250
Melting Completion (Liquidus), °C 770
1460
Melting Onset (Solidus), °C 680
1420
Specific Heat Capacity, J/kg-K 340
470
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 30
1.4
Embodied Energy, MJ/kg 480
18

Common Calculations

Stiffness to Weight: Axial, points 6.0
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 5.1
21 to 25
Strength to Weight: Bending, points 7.6
20 to 22
Thermal Shock Resistance, points 5.9
18 to 21

Alloy Composition

Carbon (C), % 0
0.37 to 0.44
Copper (Cu), % 37 to 39
0
Iron (Fe), % 0
98.4 to 98.9
Manganese (Mn), % 0
0.7 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0.080 to 0.13
Zinc (Zn), % 30 to 34
0
Residuals, % 0 to 0.15
0