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AWS BVAg-29 vs. ACI-ASTM CN3M Steel

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while ACI-ASTM CN3M steel belongs to the iron alloys. 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 AWS BVAg-29 and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 180
500

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Melting Completion (Liquidus), °C 710
1450
Melting Onset (Solidus), °C 620
1400
Specific Heat Capacity, J/kg-K 270
470
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Density, g/cm3 9.7
8.1

Common Calculations

Stiffness to Weight: Axial, points 4.2
14
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 5.2
17
Strength to Weight: Bending, points 7.3
17
Thermal Shock Resistance, points 8.8
11

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 22.5 to 25.5
0
Indium (In), % 14 to 15
0
Iron (Fe), % 0
42.4 to 52.5
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 60.5 to 62.5
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0010
0