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SAE-AISI S7 Steel vs. AWS BAg-24

SAE-AISI S7 steel belongs to the iron alloys classification, while AWS BAg-24 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is AWS BAg-24.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
33
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
150

Thermal Properties

Latent Heat of Fusion, J/g 260
130
Melting Completion (Liquidus), °C 1460
730
Melting Onset (Solidus), °C 1420
660
Specific Heat Capacity, J/kg-K 470
310
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.3
49
Embodied Energy, MJ/kg 31
770

Common Calculations

Stiffness to Weight: Axial, points 14
5.3
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 24 to 72
4.6
Strength to Weight: Bending, points 22 to 46
6.9
Thermal Shock Resistance, points 22 to 66
5.9

Alloy Composition

Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 3.0 to 3.5
0
Copper (Cu), % 0 to 0.25
19 to 21
Iron (Fe), % 91.6 to 94.9
0
Manganese (Mn), % 0.2 to 0.9
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0
1.5 to 2.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 1.0
0
Silver (Ag), % 0
49 to 51
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 0.3
0
Zinc (Zn), % 0
26 to 30
Residuals, % 0
0 to 0.15