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AWS BVPd-1 vs. SAE-AISI A7 Steel

AWS BVPd-1 belongs to the otherwise unclassified metals classification, while SAE-AISI A7 steel belongs to the iron alloys. 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 AWS BVPd-1 and the bottom bar is SAE-AISI A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
190
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 56
72
Tensile Strength: Ultimate (UTS), MPa 240
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Melting Completion (Liquidus), °C 1240
1470
Melting Onset (Solidus), °C 1230
1430
Specific Heat Capacity, J/kg-K 310
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 11
7.7

Common Calculations

Stiffness to Weight: Axial, points 7.7
13
Stiffness to Weight: Bending, points 16
25
Strength to Weight: Axial, points 6.1
29 to 77
Strength to Weight: Bending, points 7.9
25 to 48
Thermal Shock Resistance, points 9.8
27 to 72

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
2.0 to 2.9
Chromium (Cr), % 0
5.0 to 5.8
Cobalt (Co), % 33.9 to 36
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0
81.4 to 87.7
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0 to 0.060
0 to 0.3
Palladium (Pd), % 64 to 66
0
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2
Zinc (Zn), % 0 to 0.0010
0