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ACI-ASTM CN7M Steel vs. AWS E110C-K3

Both ACI-ASTM CN7M steel and AWS E110C-K3 are iron alloys. They have 46% 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 ACI-ASTM CN7M steel and the bottom bar is AWS E110C-K3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 480
870
Tensile Strength: Yield (Proof), MPa 200
760

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 21
48
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 32
3.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.7
Embodied Energy, MJ/kg 78
23
Embodied Water, L/kg 210
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 110
1550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 5.6
13
Thermal Shock Resistance, points 12
26

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 19 to 22
0 to 0.15
Copper (Cu), % 3.0 to 4.0
0 to 0.35
Iron (Fe), % 37.4 to 48.5
92.6 to 98.5
Manganese (Mn), % 0 to 1.5
0.75 to 2.3
Molybdenum (Mo), % 2.0 to 3.0
0.25 to 0.65
Nickel (Ni), % 27.5 to 30.5
0.5 to 2.5
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.8
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5