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ACI-ASTM CK3MCuN Steel vs. SAE-AISI 6150 Steel

Both ACI-ASTM CK3MCuN steel and SAE-AISI 6150 steel are iron alloys. They have 55% of their average alloy composition in common. There are 30 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 SAE-AISI 6150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
15 to 23
Fatigue Strength, MPa 250
300 to 750
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 620
630 to 1200
Tensile Strength: Yield (Proof), MPa 290
420 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 16
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.0
Embodied Energy, MJ/kg 76
28
Embodied Water, L/kg 190
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 210
460 to 3590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
22 to 43
Strength to Weight: Bending, points 20
21 to 32
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 14
20 to 38

Alloy Composition

Carbon (C), % 0 to 0.025
0.48 to 0.53
Chromium (Cr), % 19.5 to 20.5
0.8 to 1.1
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
96.7 to 97.7
Manganese (Mn), % 0 to 1.2
0.7 to 0.9
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Vanadium (V), % 0
0.15 to 0.3