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AWS BAg-9 vs. Automotive Malleable Cast Iron

AWS BAg-9 belongs to the otherwise unclassified metals classification, while automotive malleable cast iron belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-9 and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
180
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 31
70
Tensile Strength: Ultimate (UTS), MPa 140
350 to 720

Thermal Properties

Latent Heat of Fusion, J/g 130
260
Melting Completion (Liquidus), °C 720
1410
Melting Onset (Solidus), °C 670
1370
Specific Heat Capacity, J/kg-K 290
480
Thermal Expansion, µm/m-K 20
14

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.6
Embodied Energy, MJ/kg 980
20

Common Calculations

Stiffness to Weight: Axial, points 4.8
13
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 4.1
13 to 26
Strength to Weight: Bending, points 6.3
14 to 24
Thermal Shock Resistance, points 6.0
9.9 to 21

Alloy Composition


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Carbon (C), % 0
2.2 to 2.9
Copper (Cu), % 19 to 21
0
Iron (Fe), % 0
93.6 to 96.7
Manganese (Mn), % 0
0.15 to 1.3
Phosphorus (P), % 0
0.020 to 0.15
Silicon (Si), % 0
0.9 to 1.9
Silver (Ag), % 64 to 66
0
Sulfur (S), % 0
0.020 to 0.2
Zinc (Zn), % 13 to 17
0
Residuals, % 0 to 0.15
0