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ACI-ASTM CK3MCuN Steel vs. EN 1.7709 Steel

Both ACI-ASTM CK3MCuN steel and EN 1.7709 steel are iron alloys. They have 56% of their average alloy composition in common. There are 26 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 CK3MCuN steel and the bottom bar is EN 1.7709 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 620
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
440
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
33
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 29
3.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.3
Embodied Energy, MJ/kg 76
32
Embodied Water, L/kg 190
56

Common Calculations

PREN (Pitting Resistance) 45
3.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
23 to 27
Strength to Weight: Bending, points 20
21 to 24
Thermal Diffusivity, mm2/s 3.2
8.9
Thermal Shock Resistance, points 14
22 to 26

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0 to 0.025
0.17 to 0.25
Chromium (Cr), % 19.5 to 20.5
1.2 to 1.5
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
95.2 to 97.5
Manganese (Mn), % 0 to 1.2
0.4 to 0.8
Molybdenum (Mo), % 6.0 to 7.0
0.55 to 0.8
Nickel (Ni), % 17.5 to 19.5
0 to 0.6
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0.2 to 0.35