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SAE-AISI S2 Steel vs. AWS BAg-2

SAE-AISI S2 steel belongs to the iron alloys classification, while AWS BAg-2 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S2 steel and the bottom bar is AWS BAg-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
82
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
31
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
180

Thermal Properties

Latent Heat of Fusion, J/g 260
130
Melting Completion (Liquidus), °C 1450
700
Melting Onset (Solidus), °C 1410
610
Specific Heat Capacity, J/kg-K 470
310
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.1
35
Embodied Energy, MJ/kg 30
550

Common Calculations

Stiffness to Weight: Axial, points 13
5.1
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 24 to 69
5.6
Strength to Weight: Bending, points 22 to 44
7.9
Thermal Shock Resistance, points 23 to 68
7.0

Alloy Composition

Cadmium (Cd), % 0
17 to 19
Carbon (C), % 0.4 to 0.55
0
Copper (Cu), % 0 to 0.25
25 to 27
Iron (Fe), % 96 to 98.1
0
Manganese (Mn), % 0.3 to 0.5
0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.9 to 1.2
0
Silver (Ag), % 0
34 to 36
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 0.5
0
Zinc (Zn), % 0
19 to 23
Residuals, % 0
0 to 0.15