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AWS BAg-13a vs. S31727 Stainless Steel

AWS BAg-13a belongs to the otherwise unclassified metals classification, while S31727 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-13a and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
200
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 34
78
Tensile Strength: Ultimate (UTS), MPa 180
630

Thermal Properties

Latent Heat of Fusion, J/g 160
290
Melting Completion (Liquidus), °C 890
1440
Melting Onset (Solidus), °C 770
1390
Specific Heat Capacity, J/kg-K 300
470
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Density, g/cm3 9.8
8.0
Embodied Carbon, kg CO2/kg material 54
4.7
Embodied Energy, MJ/kg 850
64

Common Calculations

Stiffness to Weight: Axial, points 5.2
14
Stiffness to Weight: Bending, points 15
24
Strength to Weight: Axial, points 5.1
22
Strength to Weight: Bending, points 7.2
20
Thermal Shock Resistance, points 7.5
14

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 40.4 to 43.5
2.8 to 4.0
Iron (Fe), % 0
53.7 to 61.3
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 1.5 to 2.5
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 55 to 57
0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0