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S32808 Stainless Steel vs. AWS BAg-18

S32808 stainless steel belongs to the iron alloys classification, while AWS BAg-18 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is S32808 stainless steel and the bottom bar is AWS BAg-18.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
82
Poisson's Ratio 0.27
0.36
Shear Modulus, GPa 81
30
Tensile Strength: Ultimate (UTS), MPa 780
170

Thermal Properties

Latent Heat of Fusion, J/g 300
130
Melting Completion (Liquidus), °C 1470
720
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 13
19

Otherwise Unclassified Properties

Density, g/cm3 7.9
9.7
Embodied Carbon, kg CO2/kg material 4.0
59
Embodied Energy, MJ/kg 57
930

Common Calculations

Stiffness to Weight: Axial, points 14
4.7
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
7.7

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 27 to 27.9
0
Copper (Cu), % 0
28.4 to 31.5
Iron (Fe), % 58.1 to 62.8
0
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
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
59 to 61
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
9.5 to 10.5
Tungsten (W), % 2.1 to 2.5
0
Residuals, % 0
0 to 0.15