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S31730 Stainless Steel vs. AWS BVAg-32

S31730 stainless steel belongs to the iron alloys classification, while AWS BVAg-32 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is AWS BVAg-32.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
93
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 77
34
Tensile Strength: Ultimate (UTS), MPa 540
180

Thermal Properties

Latent Heat of Fusion, J/g 290
140
Melting Completion (Liquidus), °C 1430
950
Melting Onset (Solidus), °C 1390
900
Specific Heat Capacity, J/kg-K 470
270
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Density, g/cm3 8.0
11

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 19
4.7
Strength to Weight: Bending, points 18
6.7
Thermal Shock Resistance, points 12
8.0

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.030
0 to 0.0050
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
20 to 22
Iron (Fe), % 52.4 to 61
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0
Nitrogen (N), % 0 to 0.045
0
Palladium (Pd), % 0
23 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.0020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
53 to 55
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
0 to 0.0010