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SAE-AISI 50B44 Steel vs. AWS E16-8-2

Both SAE-AISI 50B44 steel and AWS E16-8-2 are iron alloys. They have 74% of their average alloy composition in common. There are 24 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 50B44 steel and the bottom bar is AWS E16-8-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
40
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 570
620

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
16
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 48
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 12
4.2
Thermal Shock Resistance, points 17
16

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.43 to 0.48
0 to 0.1
Chromium (Cr), % 0.2 to 0.6
14.5 to 16.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 97.5 to 98.5
68 to 76.5
Manganese (Mn), % 0.75 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
7.5 to 9.5
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.030