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ACI-ASTM CK3MCuN Steel vs. EN 1.7707 Steel

Both ACI-ASTM CK3MCuN steel and EN 1.7707 steel are iron alloys. They have 57% of their average alloy composition in common. There are 31 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 ACI-ASTM CK3MCuN steel and the bottom bar is EN 1.7707 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
11
Fatigue Strength, MPa 250
500
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 620
1010
Tensile Strength: Yield (Proof), MPa 290
800

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
460
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 29
3.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.9
Embodied Energy, MJ/kg 76
27
Embodied Water, L/kg 190
58

Common Calculations

PREN (Pitting Resistance) 45
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
36
Strength to Weight: Bending, points 20
29
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 14
29

Alloy Composition

Carbon (C), % 0 to 0.025
0.26 to 0.34
Chromium (Cr), % 19.5 to 20.5
2.3 to 2.7
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
94.7 to 96.8
Manganese (Mn), % 0 to 1.2
0.4 to 0.7
Molybdenum (Mo), % 6.0 to 7.0
0.15 to 0.25
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 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035
Vanadium (V), % 0
0.1 to 0.2