MakeItFrom.com
Menu (ESC)

SAE-AISI 8640 Steel vs. AWS BAg-8

SAE-AISI 8640 steel belongs to the iron alloys classification, while AWS BAg-8 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8640 steel and the bottom bar is AWS BAg-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
84
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 73
31
Tensile Strength: Ultimate (UTS), MPa 570
150

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 1460
780
Melting Onset (Solidus), °C 1420
780
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 13
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 13
4.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 20
4.1
Strength to Weight: Bending, points 20
6.2
Thermal Shock Resistance, points 17
6.7

Alloy Composition

Carbon (C), % 0.38 to 0.43
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
26.9 to 29
Iron (Fe), % 96.6 to 97.8
0
Manganese (Mn), % 0.75 to 1.0
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
71 to 73
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.15