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AWS BVAg-31 vs. ACI-ASTM CK35MN Steel

AWS BVAg-31 belongs to the otherwise unclassified metals classification, while ACI-ASTM CK35MN 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-31 and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
210
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 33
81
Tensile Strength: Ultimate (UTS), MPa 180
650

Thermal Properties

Latent Heat of Fusion, J/g 150
310
Melting Completion (Liquidus), °C 850
1460
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Density, g/cm3 10
8.0

Common Calculations

Stiffness to Weight: Axial, points 4.9
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 4.9
22
Strength to Weight: Bending, points 7.0
21
Thermal Shock Resistance, points 7.8
14

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.035
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 31 to 33
0 to 0.4
Iron (Fe), % 0
43.4 to 51.8
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 0
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 57 to 59
0
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.0010
0