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ACI-ASTM CK3MCuN Steel vs. EN 1.4162 Stainless Steel

Both ACI-ASTM CK3MCuN steel and EN 1.4162 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.4162 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
32
Fatigue Strength, MPa 250
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 620
780
Tensile Strength: Yield (Proof), MPa 290
520

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1090
1000
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.6
2.6
Embodied Energy, MJ/kg 76
38
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 45
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
690
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.040
Chromium (Cr), % 19.5 to 20.5
21 to 22
Copper (Cu), % 0.5 to 1.0
0.1 to 0.8
Iron (Fe), % 49.5 to 56.3
67.2 to 73.3
Manganese (Mn), % 0 to 1.2
4.0 to 6.0
Molybdenum (Mo), % 6.0 to 7.0
0.1 to 0.8
Nickel (Ni), % 17.5 to 19.5
1.4 to 1.9
Nitrogen (N), % 0.18 to 0.24
0.2 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015