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AWS BAg-1a vs. S44800 Stainless Steel

AWS BAg-1a belongs to the otherwise unclassified metals classification, while S44800 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-1a and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 77
210
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 29
82
Tensile Strength: Ultimate (UTS), MPa 180
590

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 630
1410
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 22
11

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 48
3.8
Embodied Energy, MJ/kg 760
52

Common Calculations

Stiffness to Weight: Axial, points 4.6
15
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 5.4
21
Strength to Weight: Bending, points 7.6
20
Thermal Shock Resistance, points 7.5
19

Alloy Composition

Cadmium (Cd), % 17 to 19
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 14.5 to 16.5
0 to 0.15
Iron (Fe), % 0
62.6 to 66.5
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 49 to 51
0
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 14.5 to 18.5
0
Residuals, % 0 to 0.15
0