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AWS BVAg-31 vs. SAE-AISI 94B30 Steel

AWS BVAg-31 belongs to the otherwise unclassified metals classification, while SAE-AISI 94B30 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-31 and the bottom bar is SAE-AISI 94B30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 33
73
Tensile Strength: Ultimate (UTS), MPa 180
500

Thermal Properties

Latent Heat of Fusion, J/g 150
250
Melting Completion (Liquidus), °C 850
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.9
13
Stiffness to Weight: Bending, points 15
24
Strength to Weight: Axial, points 4.9
18
Strength to Weight: Bending, points 7.0
18
Thermal Shock Resistance, points 7.8
15

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.28 to 0.33
Chromium (Cr), % 0
0.3 to 0.5
Copper (Cu), % 31 to 33
0
Iron (Fe), % 0
97 to 98.1
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
0.3 to 0.6
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 57 to 59
0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.0010
0