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SAE-AISI A7 Steel vs. AWS BVAg-0

SAE-AISI A7 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 (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is AWS BVAg-0.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 72
26
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
130

Thermal Properties

Latent Heat of Fusion, J/g 260
110
Melting Completion (Liquidus), °C 1470
960
Melting Onset (Solidus), °C 1430
960
Specific Heat Capacity, J/kg-K 470
240
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Density, g/cm3 7.7
10

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 29 to 77
3.4
Strength to Weight: Bending, points 25 to 48
5.4
Thermal Shock Resistance, points 27 to 72
6.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 2.0 to 2.9
0 to 0.0050
Chromium (Cr), % 5.0 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.050
Iron (Fe), % 81.4 to 87.7
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.0020
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
99.95 to 100
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Zinc (Zn), % 0
0 to 0.0010