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ACI-ASTM CK3MCuN Steel vs. ASTM A387 Grade 11 Steel

Both ACI-ASTM CK3MCuN steel and ASTM A387 grade 11 steel are iron alloys. They have 56% 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 ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
25
Fatigue Strength, MPa 250
200 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 620
500 to 600
Tensile Strength: Yield (Proof), MPa 290
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1090
430
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.6
Embodied Energy, MJ/kg 76
21
Embodied Water, L/kg 190
53

Common Calculations

PREN (Pitting Resistance) 45
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
200 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
18 to 21
Strength to Weight: Bending, points 20
18 to 20
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 14
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.025
0.050 to 0.17
Chromium (Cr), % 19.5 to 20.5
1.0 to 1.5
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
96.2 to 97.6
Manganese (Mn), % 0 to 1.2
0.4 to 0.65
Molybdenum (Mo), % 6.0 to 7.0
0.45 to 0.65
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.5 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.025