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SAE-AISI A6 Steel vs. AWS E80C-B8

Both SAE-AISI A6 steel and AWS E80C-B8 are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A6 steel and the bottom bar is AWS E80C-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 750 to 1990
620

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
25
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.1
Embodied Energy, MJ/kg 24
28
Embodied Water, L/kg 57
89

Common Calculations

PREN (Pitting Resistance) 4.8
13
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 71
22
Strength to Weight: Bending, points 23 to 45
21
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 25 to 65
17

Alloy Composition

Carbon (C), % 0.65 to 0.75
0 to 0.1
Chromium (Cr), % 0.9 to 1.2
8.0 to 10.5
Copper (Cu), % 0 to 0.25
0 to 0.35
Iron (Fe), % 93 to 95.8
85.5 to 90.6
Manganese (Mn), % 1.8 to 2.5
0.4 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0.8 to 1.2
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5