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AWS BAg-19 vs. S31655 Stainless Steel

AWS BAg-19 belongs to the otherwise unclassified metals classification, while S31655 stainless steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-19 and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
200
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 140
710

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Melting Completion (Liquidus), °C 890
1430
Melting Onset (Solidus), °C 760
1380
Specific Heat Capacity, J/kg-K 250
480
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.0
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 3.8
25
Strength to Weight: Bending, points 5.8
23
Thermal Shock Resistance, points 6.9
16

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19.5 to 21.5
Copper (Cu), % 6.6 to 7.9
0 to 1.0
Iron (Fe), % 0
63.2 to 71.9
Lithium (Li), % 0.15 to 0.3
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0.5 to 1.5
Nickel (Ni), % 0
8.0 to 9.5
Nitrogen (N), % 0
0.14 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 92 to 93
0
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.15
0