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ACI-ASTM CK3MCuN Steel vs. ASTM Grade LC9 Steel

Both ACI-ASTM CK3MCuN steel and ASTM grade LC9 steel are iron alloys. They have 63% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK3MCuN steel and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
22
Fatigue Strength, MPa 250
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 620
660
Tensile Strength: Yield (Proof), MPa 290
590

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1090
430
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
10

Otherwise Unclassified Properties

Base Metal Price, % relative 29
8.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
2.3
Embodied Energy, MJ/kg 76
31
Embodied Water, L/kg 190
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.13
Chromium (Cr), % 19.5 to 20.5
0 to 0.5
Copper (Cu), % 0.5 to 1.0
0 to 0.3
Iron (Fe), % 49.5 to 56.3
87.4 to 91.5
Manganese (Mn), % 0 to 1.2
0 to 0.9
Molybdenum (Mo), % 6.0 to 7.0
0 to 0.2
Nickel (Ni), % 17.5 to 19.5
8.5 to 10
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.045
Vanadium (V), % 0
0 to 0.030