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EN 1.7366 Steel vs. ACI-ASTM CK3MCuN Steel

Both EN 1.7366 steel and ACI-ASTM CK3MCuN steel are iron alloys. They have 59% 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 EN 1.7366 steel and the bottom bar is ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 19
39
Fatigue Strength, MPa 160 to 320
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 460 to 710
620
Tensile Strength: Yield (Proof), MPa 230 to 480
290

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1090
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
29
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.7
5.6
Embodied Energy, MJ/kg 23
76
Embodied Water, L/kg 69
190

Common Calculations

PREN (Pitting Resistance) 6.8
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
21
Strength to Weight: Bending, points 17 to 23
20
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 13 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.025
Chromium (Cr), % 4.0 to 6.0
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 91.9 to 95.3
49.5 to 56.3
Manganese (Mn), % 0.3 to 0.8
0 to 1.2
Molybdenum (Mo), % 0.45 to 0.65
6.0 to 7.0
Nickel (Ni), % 0
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010