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AWS BAg-8a vs. SAE-AISI S2 Steel

AWS BAg-8a belongs to the otherwise unclassified metals classification, while SAE-AISI S2 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-8a and the bottom bar is SAE-AISI S2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
72
Tensile Strength: Ultimate (UTS), MPa 150
670 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Melting Completion (Liquidus), °C 770
1450
Melting Onset (Solidus), °C 770
1410
Specific Heat Capacity, J/kg-K 290
470
Thermal Expansion, µm/m-K 19
11

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 15
24
Strength to Weight: Axial, points 4.2
24 to 69
Strength to Weight: Bending, points 6.3
22 to 44
Thermal Shock Resistance, points 6.7
23 to 68

Alloy Composition

Carbon (C), % 0
0.4 to 0.55
Copper (Cu), % 26.4 to 28.8
0 to 0.25
Iron (Fe), % 0
96 to 98.1
Lithium (Li), % 0.25 to 0.5
0
Manganese (Mn), % 0
0.3 to 0.5
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.9 to 1.2
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.5
Residuals, % 0 to 0.15
0