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SAE-AISI 8620 Steel vs. AWS BAg-35

SAE-AISI 8620 steel belongs to the iron alloys classification, while AWS BAg-35 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 8620 steel and the bottom bar is AWS BAg-35.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
91
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
34
Tensile Strength: Ultimate (UTS), MPa 520 to 690
170

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 1460
750
Melting Onset (Solidus), °C 1420
690
Specific Heat Capacity, J/kg-K 470
330
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.5
35
Embodied Energy, MJ/kg 20
550

Common Calculations

Stiffness to Weight: Axial, points 13
5.8
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 18 to 24
5.4
Strength to Weight: Bending, points 18 to 22
7.8
Thermal Shock Resistance, points 15 to 20
6.4

Alloy Composition

Carbon (C), % 0.18 to 0.23
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
31 to 33
Iron (Fe), % 96.9 to 98
0
Manganese (Mn), % 0.7 to 0.9
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
34 to 36
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
31 to 35
Residuals, % 0
0 to 0.15