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S20431 Stainless Steel vs. AWS BAg-3

S20431 stainless steel belongs to the iron alloys classification, while AWS BAg-3 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 S20431 stainless steel and the bottom bar is AWS BAg-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
80
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
30
Tensile Strength: Ultimate (UTS), MPa 710
170

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Melting Completion (Liquidus), °C 1400
690
Melting Onset (Solidus), °C 1360
630
Specific Heat Capacity, J/kg-K 480
290
Thermal Expansion, µm/m-K 17
22

Otherwise Unclassified Properties

Density, g/cm3 7.7
9.3
Embodied Carbon, kg CO2/kg material 2.5
49
Embodied Energy, MJ/kg 36
770

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 25
5.1
Strength to Weight: Bending, points 23
7.3
Thermal Shock Resistance, points 15
6.9

Alloy Composition

Cadmium (Cd), % 0
15 to 17
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 1.5 to 3.5
14.5 to 16.5
Iron (Fe), % 66.1 to 74.4
0
Manganese (Mn), % 5.0 to 7.0
0
Nickel (Ni), % 2.0 to 4.0
2.5 to 3.5
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
49 to 51
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
13.5 to 17.5
Residuals, % 0
0 to 0.15