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AWS BAg-2 vs. ACI-ASTM CN7M Steel

AWS BAg-2 belongs to the otherwise unclassified metals classification, while ACI-ASTM CN7M 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-2 and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 31
77
Tensile Strength: Ultimate (UTS), MPa 180
480

Thermal Properties

Latent Heat of Fusion, J/g 130
310
Melting Completion (Liquidus), °C 700
1410
Melting Onset (Solidus), °C 610
1450
Specific Heat Capacity, J/kg-K 310
470
Thermal Expansion, µm/m-K 22
15

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 35
5.6
Embodied Energy, MJ/kg 550
78

Common Calculations

Stiffness to Weight: Axial, points 5.1
14
Stiffness to Weight: Bending, points 16
24
Strength to Weight: Axial, points 5.6
17
Strength to Weight: Bending, points 7.9
17
Thermal Shock Resistance, points 7.0
12

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 25 to 27
3.0 to 4.0
Iron (Fe), % 0
37.4 to 48.5
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Silver (Ag), % 34 to 36
0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 19 to 23
0
Residuals, % 0 to 0.15
0