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S32808 Stainless Steel vs. AWS BVAg-31

S32808 stainless steel belongs to the iron alloys classification, while AWS BVAg-31 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is S32808 stainless steel and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
90
Poisson's Ratio 0.27
0.36
Shear Modulus, GPa 81
33
Tensile Strength: Ultimate (UTS), MPa 780
180

Thermal Properties

Latent Heat of Fusion, J/g 300
150
Melting Completion (Liquidus), °C 1470
850
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Density, g/cm3 7.9
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 27
4.9
Strength to Weight: Bending, points 24
7.0
Thermal Shock Resistance, points 21
7.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.030
0 to 0.0050
Chromium (Cr), % 27 to 27.9
0
Copper (Cu), % 0
31 to 33
Iron (Fe), % 58.1 to 62.8
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 1.1
0
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 7.0 to 8.2
0
Nitrogen (N), % 0.3 to 0.4
0
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0 to 0.030
0 to 0.0020
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
57 to 59
Sulfur (S), % 0 to 0.010
0
Tungsten (W), % 2.1 to 2.5
0
Zinc (Zn), % 0
0 to 0.0010