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AWS BAg-2 vs. S31277 Stainless Steel

AWS BAg-2 belongs to the otherwise unclassified metals classification, while S31277 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-2 and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 31
80
Tensile Strength: Ultimate (UTS), MPa 180
860

Thermal Properties

Latent Heat of Fusion, J/g 130
310
Melting Completion (Liquidus), °C 700
1460
Melting Onset (Solidus), °C 610
1410
Specific Heat Capacity, J/kg-K 310
460
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 35
6.7
Embodied Energy, MJ/kg 550
90

Common Calculations

Stiffness to Weight: Axial, points 5.1
14
Stiffness to Weight: Bending, points 16
24
Strength to Weight: Axial, points 5.6
29
Strength to Weight: Bending, points 7.9
25
Thermal Shock Resistance, points 7.0
19

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20.5 to 23
Copper (Cu), % 25 to 27
0.5 to 1.5
Iron (Fe), % 0
35.5 to 46.2
Manganese (Mn), % 0
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 34 to 36
0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 19 to 23
0
Residuals, % 0 to 0.15
0