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AWS BVAg-0 vs. SAE-AISI 4340M Steel

AWS BVAg-0 belongs to the otherwise unclassified metals classification, while SAE-AISI 4340M steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-0 and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 130
2340

Thermal Properties

Latent Heat of Fusion, J/g 110
280
Melting Completion (Liquidus), °C 960
1440
Melting Onset (Solidus), °C 960
1400
Specific Heat Capacity, J/kg-K 240
480
Thermal Expansion, µm/m-K 20
13

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 3.4
84
Strength to Weight: Bending, points 5.4
51
Thermal Shock Resistance, points 6.6
70

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0
93.3 to 94.8
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0 to 0.0020
0 to 0.012
Silicon (Si), % 0
1.5 to 1.8
Silver (Ag), % 99.95 to 100
0
Sulfur (S), % 0
0 to 0.012
Vanadium (V), % 0
0.050 to 0.1
Zinc (Zn), % 0 to 0.0010
0