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ACI-ASTM CK3MCuN Steel vs. AWS E310

Both ACI-ASTM CK3MCuN steel and AWS E310 are iron alloys. They have 89% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK3MCuN steel and the bottom bar is AWS E310.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
34
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 620
620

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1350
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
14
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
4.6
Embodied Energy, MJ/kg 76
65
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 45
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.2
3.7
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.025
0.080 to 0.2
Chromium (Cr), % 19.5 to 20.5
25 to 28
Copper (Cu), % 0.5 to 1.0
0 to 0.75
Iron (Fe), % 49.5 to 56.3
44.5 to 53.9
Manganese (Mn), % 0 to 1.2
1.0 to 2.5
Molybdenum (Mo), % 6.0 to 7.0
0 to 0.75
Nickel (Ni), % 17.5 to 19.5
20 to 22.5
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030