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AWS ER80S-B6 vs. SAE-AISI 5120 Steel

Both AWS ER80S-B6 and SAE-AISI 5120 steel are iron alloys. They have a moderately high 94% 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 ER80S-B6 and the bottom bar is SAE-AISI 5120 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
16
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 620
500
Tensile Strength: Yield (Proof), MPa 540
320

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
47
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.7
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 24
19
Embodied Water, L/kg 71
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
71
Resilience: Unit (Modulus of Resilience), kJ/m3 750
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0 to 0.1
0.17 to 0.22
Chromium (Cr), % 4.5 to 6.0
0.7 to 0.9
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 90.6 to 94.7
97.6 to 98.3
Manganese (Mn), % 0.4 to 0.7
0.7 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040
Residuals, % 0 to 0.5
0