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AWS E80C-B2 vs. ACI-ASTM CD3MN Steel

Both AWS E80C-B2 and ACI-ASTM CD3MN steel are iron alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS E80C-B2 and the bottom bar is ACI-ASTM CD3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 630
710
Tensile Strength: Yield (Proof), MPa 530
460

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.6
Embodied Energy, MJ/kg 22
50
Embodied Water, L/kg 53
160

Common Calculations

PREN (Pitting Resistance) 3.0
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 740
530
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 18
20

Alloy Composition


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Carbon (C), % 0.050 to 0.12
0 to 0.030
Chromium (Cr), % 1.0 to 1.5
21 to 23.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 95.3 to 97.9
62.6 to 71.9
Manganese (Mn), % 0.4 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.4 to 0.65
2.5 to 3.5
Nickel (Ni), % 0 to 0.2
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0