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AWS BAg-28 vs. Automotive Malleable Cast Iron

AWS BAg-28 belongs to the otherwise unclassified metals classification, while automotive malleable cast iron belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-28 and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 33
70
Tensile Strength: Ultimate (UTS), MPa 150
350 to 720

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Melting Completion (Liquidus), °C 710
1410
Melting Onset (Solidus), °C 650
1370
Specific Heat Capacity, J/kg-K 320
480
Thermal Expansion, µm/m-K 21
14

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 40
1.5
Embodied Energy, MJ/kg 630
20

Common Calculations

Stiffness to Weight: Axial, points 5.6
13
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 4.7
13 to 26
Strength to Weight: Bending, points 7.1
14 to 24
Thermal Shock Resistance, points 5.8
9.9 to 21

Alloy Composition

Carbon (C), % 0
2.2 to 2.9
Copper (Cu), % 29 to 31
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), % 39 to 41
0
Sulfur (S), % 0
0.020 to 0.2
Tin (Sn), % 1.5 to 2.5
0
Zinc (Zn), % 26 to 30
0
Residuals, % 0 to 0.15
0