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AWS BAg-5 vs. S82121 Stainless Steel

AWS BAg-5 belongs to the otherwise unclassified metals classification, while S82121 stainless steel belongs to the iron alloys. 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 AWS BAg-5 and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
200
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 33
78
Tensile Strength: Ultimate (UTS), MPa 150
730

Thermal Properties

Latent Heat of Fusion, J/g 140
290
Melting Completion (Liquidus), °C 740
1430
Melting Onset (Solidus), °C 660
1380
Specific Heat Capacity, J/kg-K 320
480
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 44
2.8
Embodied Energy, MJ/kg 700
40

Common Calculations

Stiffness to Weight: Axial, points 5.4
14
Stiffness to Weight: Bending, points 16
25
Strength to Weight: Axial, points 4.6
26
Strength to Weight: Bending, points 6.9
23
Thermal Shock Resistance, points 5.9
20

Alloy Composition

Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 29 to 31
0.2 to 1.2
Iron (Fe), % 0
66.7 to 75.4
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
0.3 to 1.3
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 44 to 46
0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 23 to 27
0
Residuals, % 0 to 0.15
0