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ACI-ASTM CK3MCuN Steel vs. EN 1.4600 Stainless Steel

Both ACI-ASTM CK3MCuN steel and EN 1.4600 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 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 1.4600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
23
Fatigue Strength, MPa 250
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 620
580
Tensile Strength: Yield (Proof), MPa 290
430

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1090
730
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
7.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.6
2.0
Embodied Energy, MJ/kg 76
28
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 45
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.2
7.3
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
11 to 13
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
82 to 87.7
Manganese (Mn), % 0 to 1.2
1.0 to 2.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0.3 to 1.0
Nitrogen (N), % 0.18 to 0.24
0 to 0.025
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
Titanium (Ti), % 0
0 to 0.35