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AWS BAg-28 vs. ACI-ASTM CD4MCu Steel

AWS BAg-28 belongs to the otherwise unclassified metals classification, while ACI-ASTM CD4MCu 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-28 and the bottom bar is ACI-ASTM CD4MCu steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
200
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 33
79
Tensile Strength: Ultimate (UTS), MPa 150
770

Thermal Properties

Latent Heat of Fusion, J/g 140
300
Melting Completion (Liquidus), °C 710
1430
Melting Onset (Solidus), °C 650
1380
Specific Heat Capacity, J/kg-K 320
480
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 40
3.5
Embodied Energy, MJ/kg 630
49

Common Calculations

Stiffness to Weight: Axial, points 5.6
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 4.7
28
Strength to Weight: Bending, points 7.1
24
Thermal Shock Resistance, points 5.8
21

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24.5 to 26.5
Copper (Cu), % 29 to 31
2.8 to 3.3
Iron (Fe), % 0
59.9 to 66.3
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0
4.8 to 6.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 39 to 41
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.5 to 2.5
0
Zinc (Zn), % 26 to 30
0
Residuals, % 0 to 0.15
0