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SAE-AISI 1140 Steel vs. AWS BAg-1

SAE-AISI 1140 steel belongs to the iron alloys classification, while AWS BAg-1 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1140 steel and the bottom bar is AWS BAg-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
75
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
28
Tensile Strength: Ultimate (UTS), MPa 600 to 700
170

Thermal Properties

Latent Heat of Fusion, J/g 250
110
Melting Completion (Liquidus), °C 1460
620
Melting Onset (Solidus), °C 1420
610
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 13
23

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.2
Embodied Carbon, kg CO2/kg material 1.4
44
Embodied Energy, MJ/kg 18
690

Common Calculations

Stiffness to Weight: Axial, points 13
4.6
Stiffness to Weight: Bending, points 24
15
Strength to Weight: Axial, points 21 to 25
5.1
Strength to Weight: Bending, points 20 to 22
7.4
Thermal Shock Resistance, points 18 to 21
7.0

Alloy Composition

Cadmium (Cd), % 0
23 to 25
Carbon (C), % 0.37 to 0.44
0
Copper (Cu), % 0
14 to 16
Iron (Fe), % 98.4 to 98.9
0
Manganese (Mn), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silver (Ag), % 0
44 to 46
Sulfur (S), % 0.080 to 0.13
0
Zinc (Zn), % 0
14 to 18
Residuals, % 0
0 to 0.15