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ACI-ASTM CN3MN Steel vs. AWS BVAg-0

ACI-ASTM CN3MN steel belongs to the iron alloys classification, while AWS BVAg-0 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3MN steel and the bottom bar is AWS BVAg-0.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
71
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 620
130

Thermal Properties

Latent Heat of Fusion, J/g 310
110
Melting Completion (Liquidus), °C 1460
960
Melting Onset (Solidus), °C 1410
960
Specific Heat Capacity, J/kg-K 460
240
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Density, g/cm3 8.1
10

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 21
3.4
Strength to Weight: Bending, points 20
5.4
Thermal Shock Resistance, points 14
6.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.030
0 to 0.0050
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0 to 0.75
0 to 0.050
Iron (Fe), % 41.4 to 50.3
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
0
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.0020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
99.95 to 100
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
0 to 0.0010