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ACI-ASTM CE8MN Steel vs. AWS E310Nb

Both ACI-ASTM CE8MN steel and AWS E310Nb are iron alloys. They have 84% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE8MN steel and the bottom bar is AWS E310Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
29
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 750
620

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
31
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.2
5.3
Embodied Energy, MJ/kg 58
76
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 40
28
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.2
3.8
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.12
Chromium (Cr), % 22.5 to 25.5
25 to 28
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 56 to 66.4
44.1 to 53.3
Manganese (Mn), % 0 to 1.0
1.0 to 2.5
Molybdenum (Mo), % 3.0 to 4.5
0 to 0.75
Nickel (Ni), % 8.0 to 11
20 to 22
Niobium (Nb), % 0
0.7 to 1.0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030