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SAE-AISI 5155 Steel vs. AWS BAg-22

SAE-AISI 5155 steel belongs to the iron alloys classification, while AWS BAg-22 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5155 steel and the bottom bar is AWS BAg-22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
96
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 620
140

Thermal Properties

Latent Heat of Fusion, J/g 250
150
Melting Completion (Liquidus), °C 1450
700
Melting Onset (Solidus), °C 1410
680
Specific Heat Capacity, J/kg-K 470
320
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.4
48
Embodied Energy, MJ/kg 19
760

Common Calculations

Stiffness to Weight: Axial, points 13
5.9
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 22
4.3
Strength to Weight: Bending, points 21
6.6
Thermal Shock Resistance, points 20
5.1

Alloy Composition

Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
15 to 17
Iron (Fe), % 97.2 to 97.9
0
Manganese (Mn), % 0.7 to 0.9
7.0 to 8.0
Nickel (Ni), % 0
4.0 to 5.0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
48 to 50
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
21 to 25
Residuals, % 0
0 to 0.15