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AWS E80C-B2 vs. SAE-AISI 4140 Steel

Both AWS E80C-B2 and SAE-AISI 4140 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E80C-B2 and the bottom bar is SAE-AISI 4140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11 to 26
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630
690 to 1080
Tensile Strength: Yield (Proof), MPa 530
590 to 990

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 22
20
Embodied Water, L/kg 53
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
74 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 740
920 to 2590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
25 to 38
Strength to Weight: Bending, points 21
22 to 30
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 18
20 to 32

Alloy Composition


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Carbon (C), % 0.050 to 0.12
0.38 to 0.43
Chromium (Cr), % 1.0 to 1.5
0.8 to 1.1
Iron (Fe), % 95.3 to 97.9
96.8 to 97.8
Manganese (Mn), % 0.4 to 1.0
0.75 to 1.0
Molybdenum (Mo), % 0.4 to 0.65
0.15 to 0.25
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.25 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0